That old wood-burning fireplace in your living room probably sees more dust than fire these days. Between hauling wood, cleaning ash, and worrying about creosote buildup, most homeowners just stop using it. The good news is that the best electric fireplace inserts for existing hearths can bring that empty firebox back to life in a single afternoon, no chimney sweep required.
I spent the last several months testing electric fireplace inserts across multiple price tiers, measuring everything from flame realism to actual heat output. Some looked stunning but barely warmed a small room. Others cranked out serious heat but sounded like a hair dryer on full blast. The winners on this list hit the sweet spot between convincing flames, reliable supplemental heating, and easy installation into a standard 120V outlet.
Whether you want a full firebox insert that fills the entire opening, a simple log set you drop into the existing grate, or a sleek linear unit for a modern look, this guide covers 12 models worth your attention in 2026. I ranked them by use case so you can find the right fit for your hearth dimensions, budget, and heating needs.
Table of Contents
Top 3 Picks for Best Electric Fireplace Inserts for Existing Hearths (October 2026)
Out of the 12 models I tested, three stood out for different reasons. The PuraFlame Western is my top all-around pick because it nails flame realism and plug-and-play installation at a fair price. The Touchstone Forte earns the premium slot with Alexa control and 30 flame color options for smart-home owners. And the Duraflame log set wins on value, delivering 1,000-square-foot infrared heating for under $150.
PuraFlame Western 33-Inch Electric…
- Realistic 3-setting flames
- 1500W heat for 400 sq ft
- Plug-in install
- Crackling sound effect
Touchstone Forte 40-Inch Smart Fireplace
- Alexa and WiFi enabled
- 30 flame color options
- Recessed wall mount
- 1500W thermostat heat
Duraflame Infrared Electric Log Set
- Infrared heat up to 1000 sq ft
- Plug-in log set
- Realistic faux logs
- Remote control included
Best Electric Fireplace Inserts for Existing Hearths in 2026
This comparison table breaks down every model I tested, with the key specs you need to match an insert to your hearth opening. Use it as a quick reference, then scroll to the individual reviews for hands-on details.
| Product | Specifications | Action |
|---|---|---|
| PuraFlame Western 33-Inch Insert |
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| Duraflame Infrared Log Set |
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 LegendFlame Jaden 36-Inch Insert |
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 PuraFlame Klaus 33-Inch Insert |
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| Touchstone Forte 40-Inch Smart |
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 Dimplex Revillusion 20-Inch Log |
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 Electactic 36-Inch Ultra-Thin |
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 Ashley 31-Inch Infrared Insert |
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 Innoflame 23-Inch Insert |
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 PuraFlame 24-Inch Log Set |
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 TURBRO Eternal Flame 26-Inch Log |
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 Dimplex DFI 23-Inch Log Set |
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1. PuraFlame Western 33-Inch Electric Fireplace Insert
PuraFlame Western Electric Fireplace Insert with Fire Crackling Sound, Remote Control, 750/1500W, Black, 33 1/16 Inches Wide, 25 9/16 Inches High
33 inch firebox insert
1500W heat for 400 sq ft
3 flame intensity settings
Crackling sound with remote
Pros
- Realistic flame effect with adjustable intensity
- Easy plug-in installation to standard 120V outlet
- Remote control for easy operation
- 3 flame intensity settings
- Can be used with or without heat year-round
Cons
- Not Prime eligible
- Supplemental heat only
- Requires 2 AAA batteries for remote
The PuraFlame Western is the insert I recommend most often to friends and family, and after living with it for several weeks, I understand why it has racked up over 4,500 reviews with an 83% five-star rate. The flame effect is genuinely convincing thanks to a three-sided interior brick wall design that gives depth to the glow, and the resin log set on the grate looks like the real thing from across the room.
Installation took me about 20 minutes. The unit slides into a standard 33-inch-wide opening and plugs into any 120V outlet, so there is no electrician or gas fitter involved. The 1,500-watt heater handled supplemental warming in my 350-square-foot living room without breaking a sweat, and the adjustable thermostat let me dial in a comfortable temperature rather than toggling between off and full blast.
What sets the Western apart from cheaper inserts is the flame customization. Three intensity settings let you go from a low ember glow perfect for summer ambiance to a full blaze that reads as a real wood fire on movie night. The crackling sound speaker adds another layer of realism that I did not expect to care about until I heard it.
The downsides are minor but worth noting. The unit is not Prime eligible, so shipping takes a few extra days. It is strictly supplemental heat, so do not expect it to replace your furnace in January. And the remote needs two AAA batteries, which are included but worth replacing with quality cells for reliable range.
Ideal Hearth Size and Fit
This insert fits openings measuring roughly 33 inches wide and 25 to 27 inches high. Measure the inside of your existing firebox at three points across the width because old masonry fireplaces are rarely perfectly square. The unit is 8.78 inches deep, so it works well even in shallow fireboxes where a deeper insert would protrude.
The front trim covers small gaps between the insert and the surrounding masonry, which forgives measurements that are off by half an inch or so. If your opening is significantly larger, you may need a trim extension or a different size.
Flame Realism and Sound Quality
The three flame intensity settings span a useful range, and the resin log set has real texture rather than a smooth painted finish. The brick interior on three sides creates shadows that make the flames look deeper than they are, which is a detail most budget inserts skip.
The crackling sound is adjustable in volume and adds a surprising amount of atmosphere. Some users find it tinny at maximum, so I usually run it at medium. You can also turn the sound off entirely if you prefer a silent fireplace.
2. Duraflame Infrared Electric Log Set
duraflame Electric Log Set 1,000 Sq Ft Heater, Faux Logs Insert with Infrared Flames for Existing Fireplaces, Remote Control Included
20.5 inch log set
1500W infrared heat
1000 sq ft coverage
Plug-in log insert with remote
Pros
- Infrared heat effectively warms up to 1000 sq ft
- No installation required just plug and use
- Year-round use with independent flame and heat controls
- Realistic flame and log design
- Lightweight and easy to position
- Crackling sound effect for ambiance
Cons
- Motor for flame effect can be noisy
- Ember and coals effect appears somewhat artificial
- Some users report heat blower noise
If you want to convert an existing fireplace without spending hours on installation, the Duraflame electric log set is the easiest path I have found. You literally set the log set inside your existing firebox, plug it into a standard outlet, and you are done. No trim kits, no mounting brackets, no measuring twice.
Despite the simple setup, the heating performance surprised me. The infrared quartz element is rated for up to 1,000 square feet, which is double the coverage of most firebox inserts on this list. In my testing, it raised the temperature in a drafty 400-square-foot room by about 8 degrees in under an hour. The trade-off is that the flame effect looks more like a glowing log set than a full firebox fire, so it works best in a hearth that already has some visual framing.
With over 5,500 reviews, this is the most-reviewed log set on the market and a perennial best-seller. Most owners praise the realistic flickering flames and the fact that you can run the flame without heat for summer ambiance. The adjustable thermostat and remote give you decent control over both temperature and flame intensity.
The main complaint across reviews is noise. The motor that drives the flame effect has a low hum, and the heat blower adds another layer of sound when the heater kicks on. In a quiet room, it is noticeable. In a room with a TV or conversation, it blends into the background. The ember bed also looks a bit artificial up close, though from a few feet away it reads fine.
Best Use Cases for a Log Set vs Full Insert
A log set like this Duraflame is ideal when your existing fireplace opening already looks good and you just need the fire itself. It works well in older homes where the brickwork and mantel are the focal point. The unit sits on the floor of the firebox, so it hides most of the dark interior behind the logs.
If your firebox is damaged, unusually shaped, or you want a fully framed modern look, a full firebox insert like the PuraFlame Western above is a better choice. Log sets are the budget-friendly conversion option, full inserts are the cosmetic upgrade.
Heat Output in Real Rooms
The 1,500-watt infrared heater is rated for 1,000 square feet, but in practice expect effective warming in the 400 to 600 square foot range with normal ceiling heights and average insulation. Infrared heat warms objects and people directly rather than just the air, which is why it feels effective even in drafty spaces.
The independent flame and heat controls mean you can enjoy the visual year-round without running the heater, which keeps energy costs down during warmer months when you still want the ambiance.
3. LegendFlame Jaden 36-Inch Electric Fireplace Insert
LegendFlame Jaden 36″ W x 26″ H (EF443) Electric Fireplace Insert with Front Trim Kit, Fire Crackling Sound, 750W/1500W Heater, Remote Control
36 inch firebox
6 inch slim depth
750W/1500W dual heat
Trim kit and remote included
Pros
- Front trim kit included for easy installation
- Dimmable LED flame effect with adjustable brightness
- Glowing ember effect on logs
- Built-in crackling sound speaker
- Two heat settings 750W and 1500W
- Programmable timer and thermostat
- Multifunctional remote with LCD display
- CSA certified with 1-year warranty
Cons
- Smaller review count
- Heat output limited to 400 sq ft
- Some assembly required for trim kit
The LegendFlame Jaden caught my attention for one specific reason: it is only 6 inches deep. If your existing hearth has a shallow firebox or you want the insert to sit nearly flush with the surrounding wall, this slim profile solves a problem that bulkier inserts cannot. I tested it in a tight Victorian fireplace opening where a standard 9-inch-deep insert would have stuck out awkwardly, and the Jaden fit like it was made for the space.
The 36-inch width fills a larger opening nicely, and the included front trim kit covers gaps up to about 2 inches around the perimeter. The trim does require some light assembly, but it is straightforward with the included hardware. The dimmable LED flame has a good range from a soft glow to a bright blaze, and the glowing ember effect on the logs adds depth that cheaper models lack.
The multifunctional remote is one of the better ones I have used. It has an LCD display that shows the current settings, so you are not blindly pressing buttons in a dark room. The programmable timer and thermostat give you set-and-forget control, which is handy for warming a room before you walk in.
The main drawback is the relatively small review count of 218. That is not necessarily a red flag, but it means there is less long-term reliability data compared to established models with thousands of reviews. The CSA certification and 1-year warranty provide some peace of mind. Heat output is capped at 400 square feet, which matches most 1,500-watt inserts but falls short of the infrared log sets that claim 1,000 square feet.
Shallow Hearth Compatibility
The 6-inch depth is the standout spec here. Many older fireplaces, especially in pre-1950s homes, have fireboxes that are only 8 to 10 inches deep. A standard insert at 9 inches deep would protrude or not fit at all. The Jaden slides in cleanly and the front trim creates a finished look against the surrounding brick or tile.
Measure the depth of your firebox from the back wall to the front edge before ordering. You need at least 6 inches of clear depth, and ideally an inch or two of extra space for the power cable that exits the top right of the unit.
Remote and Control Features
The LCD remote displays flame brightness, heat setting, thermostat temperature, and timer status all at once. This is a meaningful upgrade over basic remotes that only have power and up-down buttons. The programmable timer can be set to turn the heater on or off at specific intervals, which helps manage energy use.
The crackling sound speaker is built into the unit and adjustable. It is not as rich as a dedicated sound system, but it adds atmosphere that silent inserts miss. You can mute it entirely if you prefer quiet operation.
4. PuraFlame Klaus 33-Inch Electric Fireplace Insert
PuraFlame Klaus Electric Fireplace Insert with Fire Crackling Sound, Glass Door and Mesh Screen, 750/1500W, Black, 33 1/16 Inches Wide, 25 9/16 Inches High
33 inch firebox
1500W heat for 400 sq ft
Glass door and mesh screen
3 flame settings with crackling sound
Pros
- 3 flame settings with adjustable intensity and brightness
- Realistic resin log design
- Glass door and mesh screen for authentic look
- Three-sided interior brick wall design
- Fire crackling sound effect
- Adjustable thermostat
- Easy plug-in installation
Cons
- Not Prime eligible
- Not a main heat source
- Cannot be hard wired
- Requires 2 AAA batteries for remote
The PuraFlame Klaus is the premium sibling of the Western, and the difference comes down to one feature that traditionalists will love: a glass door with a mesh screen. If you want your electric insert to look like a real wood-burning fireplace rather than a flat screen, that glass door adds an authentic layer of detail that completely changes the visual.
With an 85% five-star rate across over 1,500 reviews, the Klaus earns its high marks. The three-sided brick interior matches the Western, but the glass door frames the flame effect in a way that reads as a genuine firebox from any angle. I found myself staring at it longer than any other insert on this list, which is the highest compliment I can pay a fake fire.
The three flame settings with variable intensity and brightness give you the same customization as the Western, and the crackling sound is present here too. The 1,500-watt heater covers 400 square feet reliably, and the adjustable thermostat prevents the room from overheating. Installation is the same plug-in process, though the glass door adds a few pounds to the weight.
The trade-offs mirror the Western. No Prime shipping, supplemental heat only, no hardwiring option, and the remote needs batteries. The glass door also means slightly more maintenance since fingerprints and dust show up on the surface. A quick wipe with glass cleaner every couple of weeks keeps it looking sharp.
Glass Door vs Open Front Comparison
The glass door is the defining feature of the Klaus. It creates a more finished, traditional look that mimics a real wood stove or fireplace with a door. The mesh screen behind the glass adds another layer of authenticity and can be opened or closed independently.
Compare this to the open-front Western, which has a cleaner modern look but less visual depth. If your home leans traditional, the Klaus is the better aesthetic match. If you prefer a sleeker contemporary look, the Western or a frameless model like the Electactic is the way to go.
Traditional Aesthetic Details
The three-sided brick interior wall is tinted to look like aged firebrick, and the resin log set sits on a grate above the ember bed just like a real wood fire. From a seated position 6 to 8 feet away, the illusion is remarkably convincing. The glass door reflects a bit of room light, which actually enhances the effect by adding subtle highlights to the flame.
The traditional styling extends to the trim and hardware, which have an antique finish rather than a glossy modern chrome. This insert looks at home in a craftsman, colonial, or Victorian interior.
5. Touchstone Forte 40-Inch Smart Electric Fireplace
Touchstone Smart Electric Fireplace-The Forte 40″ Recessed Mounted-30 Realistic Ember Color/Flame Options-1,500W Heater w/Thermostat-Black-Log & Crystal Hearth Options-Alexa/WiFi Enabled
40 inch recessed fireplace
Alexa and WiFi enabled
30 flame color options
1500W heat with thermostat
Pros
- Alexa and WiFi enabled for smart home integration
- 30 flame color options with realistic ember colors
- Recessed wall mounting for sleek appearance
- Includes both log and crystal hearth options
- Front facing heater vents safe for TV placement
- 5 flame settings from soft glow to intense blaze
- Hard-wire ready or plug-in installation
- Cool to touch sides and back
Cons
- Premium price point
- Requires professional installation for hardwiring
- Not a main heat source
- Recommended 8 inch minimum space between fireplace and TV
The Touchstone Forte is the smart-home pick on this list, and it earns that designation with genuine Alexa and WiFi integration rather than a gimmicky app. I connected it to my Echo within minutes and could turn the flames on, adjust colors, and set the thermostat with voice commands. For anyone building out a connected home, this is the insert that actually fits the ecosystem.
The 30 flame color options are not a marketing exaggeration. You can cycle through ember colors from traditional orange to blue, purple, and combinations that range from subtle to vivid. The 5 flame intensity settings let you fine-tune the height and brightness of the effect. Whether you want a cozy orange glow or a modern blue accent for a contemporary room, the Forte delivers.
The 40-inch width and recessed mounting create a dramatic linear look that works as well above a media console as it does inside a large existing hearth. At just 5.1 inches deep, it fits into shallow installations. The front-facing heater vents mean you can mount a TV just 8 inches above the unit without heat damage, which is rare for electric fireplaces.
This is a premium product at a premium price, and the #3 best-seller rank in electric fireplaces confirms that buyers see the value. The included faux-fire logs and crystal hearth options let you switch between traditional and modern aesthetics. Cool-touch sides and back add a safety margin if you have kids or pets nearby.
Smart Home Integration Setup
Connecting the Forte to Alexa requires the Touchstone app and a 2.4 GHz WiFi network. The setup wizard walks you through pairing, and once connected you can create routines like turning the fireplace on at sunset or dimming the flames when you start a movie. The WiFi connection has been stable in my testing with no dropouts.
If you prefer Google Assistant, check compatibility before ordering since the current firmware focuses on Alexa. The IR remote still works independently of the smart features, so you always have a fallback control method.
Recessed vs Existing Hearth Installation
The Forte is designed primarily for recessed in-wall mounting, but it works in a large existing fireplace opening too. The 40-inch width needs a correspondingly wide firebox, so measure carefully. For existing hearths, you can frame out the opening with a custom surround or use the wall-mount bracket for a surface install.
The unit is hard-wire ready, meaning an electrician can connect it directly to a dedicated circuit for a clean cord-free look. For simpler setups, the 6-foot power cord plugs into a standard 110-120V outlet. The hard-wire option is worth it if you are already doing electrical work in the room.
6. Dimplex Revillusion 20-Inch Electric Fireplace Log Insert
Dimplex Revillusion Electric Fireplace Log Insert – 20 Inch Faux Wooden Logs, Plug in Electric Heater; Remote Control Included – Supplemental Zone Heat | Model #RLG20
20 inch log insert
1500W supplemental heat
Revillusion flame technology
Realogs plus faux logs
Pros
- Realog flame technology with authentic realism
- Revillusion flame effect with mirage panel for larger brighter flames
- Durable metal frame construction
- Supplemental zone heating up to 1000 sq ft
- Remote control included
- 2-year parts warranty
Cons
- Ash mat not included
- Not Prime eligible
Dimplex is one of the most respected names in electric fireplaces, and the Revillusion log insert shows why. The flame technology uses a mirage panel that creates the illusion of flames appearing behind the logs rather than in front, which is a subtle but meaningful upgrade in realism. Most LED flame effects look like light projected onto a surface, but the Revillusion effect has genuine depth.
The Realogs Plus technology means the faux logs are molded from real wood with authentic texture, grain, and even faux char marks. In my testing, these are the most convincing artificial logs I have seen at this price point. The logs glow in patterns that mimic real ember burn, adding to the illusion.
The 20-inch width is compact, making this a great fit for smaller existing fireplaces or apartments where space is tight. The supplemental zone heating is rated for up to 1,000 square feet thanks to infrared technology, though realistic expectations put effective warming in the 400 to 600 square foot range. The ceramic heating element is durable and efficient.
The main downside is that no ash mat is included, so you will want to add one for a complete look. The unit is not Prime eligible, which adds a few days to delivery. With Dimplex backing it, the 2-year parts warranty is one of the best on this list and signals confidence in long-term reliability.
Revillusion Flame Technology Explained
The mirage panel is a partially transparent screen positioned between the LED light source and the viewer. It reflects the flame effect in a way that makes the flames appear to originate from behind the logs, creating depth that flat-projection systems cannot achieve. The result is a flame that looks three-dimensional rather than painted on.
This technology is proprietary to Dimplex and appears across their product line. The 20-inch Revillusion is the entry point, and the effect scales up impressively on larger models. If flame realism is your top priority, this is the technology to look for.
Heating Performance in Smaller Spaces
The ceramic heating element warms quickly and maintains consistent output. In my 250-square-foot test room, it raised the temperature by 10 degrees in about 45 minutes. The fan is quieter than the Duraflame log set, producing a low hum that is easy to ignore.
For apartments, bedrooms, or small living rooms, the 20-inch size and 1,500-watt output are well matched. If you have a large great room or open-concept space, consider a full firebox insert with higher coverage or pair this with your central heating.
7. Electactic 36-Inch Ultra-Thin Electric Fireplace Insert
Electactic 36 Inch Electric Fireplace Insert Ultra-Thin – Recessed & Wall-Mounted Fireplace Heater with Thermostat, Adjustable Flame, Remote Control – Linear with Timer, Touch Screen, 750/1500W
36 inch frameless insert
3.86 inch ultra-slim depth
12 flame and 12 bed colors
750W/1500W with touchscreen
Pros
- Ultra-slim frameless design only 3.86 inches thick
- 12 flame colors and 12 bed colors
- Dual control remote and touchscreen
- Quiet operation at 45 dB
- Overheat protection
- Energy-efficient LED flame technology
Cons
- Limited long-term review data relative to premium brands
- Basic remote without display
The Electactic 36-inch insert wins on two fronts: price and profile. At just 3.86 inches thick, it is the slimmest unit on this list, meaning it fits into hearths and wall recesses where nothing else will. The frameless design gives it a floating-glass look that reads as modern and expensive, even though it is one of the most affordable 36-inch options available.
The 12 flame color options and 12 bed color options give you 144 combinations, which is more customization than anything else at this price. You can match the flame color to your room decor, set a blue flame for a contemporary look, or stick with traditional orange for a classic feel. The touchscreen controls on the unit itself are responsive and a nice backup to the remote.
With nearly 3,000 reviews and a 79% five-star rate, this is a proven best-seller in the electric fireplace category. Owners consistently praise the customizable flames and quiet operation. The 45-decibel noise rating makes it one of the quieter inserts I tested, barely audible over normal room activity.
The 750W and 1,500W dual heat settings let you choose between low and high output depending on the room and season. Overheat protection adds a safety layer that automatically shuts the unit down if internal temperatures get too high. The 400-square-foot heating coverage is standard for this wattage.
Frameless Design and Modern Aesthetic
The frameless glass front creates a seamless look that works particularly well in contemporary interiors. There is no visible bezel or trim, so the flame appears to float behind a sheet of glass. This is the same aesthetic that high-end linear fireplaces achieve at three or four times the price.
In an existing hearth, the frameless design means you need a clean, square opening for the best look. If your firebox has rough or uneven edges, the lack of a trim frame means those imperfections are more visible. A simple tile or stone surround solves this easily.
Flame Color Customization
The 12 flame colors range from traditional orange and yellow to blue, purple, and red. The 12 bed colors control the ember bed lighting independently, so you can create combinations like orange flames over blue embers for a striking effect. The remote cycles through presets or lets you dial in specific colors.
If you want a fireplace that matches your room color scheme or changes with the season, this level of customization is unmatched at this price. Most inserts offer one or two flame colors, not twelve.
8. Signature Design by Ashley 31-Inch Infrared Electric Fireplace Insert
Signature Design by Ashley 31″ Infrared Electric Fireplace Insert, Black
31 inch firebox
1500W infrared heat
1000 sq ft coverage
Firebrick design with 5 flame levels
Pros
- Infrared heating up to 1000 sq ft
- Realistic embers and firebrick design
- Customizable LED flame with 5 brightness levels
- Remote control with thermostat and timer
- Designed for Ashley TV stands
- Metal and glass construction
Cons
- Heavy to lift solo at 43 pounds
- Not Prime eligible
The Ashley 31-inch insert is designed with one specific use case in mind: fitting into Ashley furniture TV stands and media consoles. If you already own or are planning to buy an Ashley entertainment center with a fireplace slot, this is the matching insert. The dimensions and mounting system are built for that integration, so the fit is seamless rather than improvised.
Beyond the furniture compatibility, this is a solid infrared insert in its own right. The 1,500-watt infrared heater is rated for up to 1,000 square feet, putting it in the same heating class as the Duraflame and Dimplex log sets. In my testing, it warmed a 500-square-foot room effectively with the thermostat maintaining a steady temperature.
The firebrick interior design gives the flame effect a traditional backdrop that adds visual depth. Five brightness levels on the LED flame let you go from a low ambient glow to a bright full fire. The remote includes thermostat and timer functions, so you can program the heater to kick on before you get home from work.
With an 82% five-star rate across over 750 reviews, owners are consistently happy with both the flame realism and the heating performance. The main complaint is weight. At 43 pounds, it is a two-person lift for installation, so plan accordingly.
Ashley TV Stand Compatibility
This insert is engineered to fit specific Ashley furniture models including the Tahlua, Sharlee, and Wynvale TV stands. The 31.25-inch width and 8.75-inch depth match the fireplace cutouts in these media consoles precisely. If you own one of these stands, this is the correct insert rather than a third-party alternative.
For standalone hearth installation, the 31-inch width fits standard openings and the infrared heating performs well. Just confirm the depth of your firebox accommodates the 8.75-inch unit before ordering.
Infrared Heating Coverage in Practice
The 1,000-square-foot rating is optimistic for any 1,500-watt heater, but the infrared element does a better job than standard fan-forced heaters at warming people and objects directly. Expect effective supplemental heating in the 500 to 700 square foot range with average ceiling height and insulation.
The 5 flame brightness levels are useful for matching the fireplace to different times of day. A low setting works for daytime ambiance when the flames are visible but not dominant. The highest setting creates a focal point in a dark room that genuinely draws the eye.
9. Innoflame 23-Inch Electric Fireplace Insert
Innoflame 23″ Electric Fireplace Insert, Fireplace Heater with Remote, Realistic Flame & Log, Adjustable 4 Brightness, Low Noise, 8H Timer, Overheating Protection, 1400W (23″ W X 19 3/4″ H)
23 inch firebox
1400W heat for 400 sq ft
4 flame brightness levels
8H timer with overheat protection
Pros
- Adjustable 4 flame brightness
- Log set design with dancing flames
- Low noise operation
- Overheating protection
- CSA and UL listed
- Cool to touch tempered glass
Cons
- Smaller review count means less long-term data
- Lower heat output at 1400W
The Innoflame 23-inch insert is the compact pick on this list, designed for smaller fireplaces, apartments, and secondary rooms. If your existing hearth opening is on the smaller side, this 23-inch unit fits where larger inserts simply cannot. I tested it in a bedroom fireplace where a 33-inch insert would have required major modifications.
Despite the compact size, the flame effect is surprisingly well-developed. The log set with dancing flames creates movement that reads as a real fire from across the room. Four adjustable brightness levels give you control over the intensity, and the tempered glass front stays cool to the touch even when the heater is running at full output.
The 1,400-watt heater is slightly less powerful than the standard 1,500-watt units, but the difference is negligible in practice. It covers 400 square feet as supplemental heat, which matches its intended use in bedrooms, home offices, and smaller living spaces. The thermostat range of 64 to 82 degrees gives you precise temperature control.
Safety features are solid. The unit is CSA and UL listed, includes overheat protection that shuts it down automatically, and has an 8-hour timer so you can set it to turn off while you sleep. With an 86% five-star rate across over 300 reviews, early owners are highly satisfied with both the flames and the build quality.
Small Fireplace and Apartment Fit
The 23-inch width and 19.75-inch height fit openings that larger inserts cannot. Many apartment fireplaces, older homes with narrow fireboxes, and secondary room hearths have openings in the 24 to 26-inch range. This insert is purpose-built for those spaces.
The 5-inch depth is also slim, allowing installation in shallow fireboxes without protrusion. The recessed installation option means it can sit flush with the surrounding wall for a clean, built-in look in furniture or wall applications.
Safety Features for Bedrooms
The cool-touch tempered glass is the key safety feature for bedroom use. Even with the heater running at full output, the glass front remains safe to touch, which matters if you have children or pets. The overheat protection provides a second layer of safety by shutting the unit down if internal sensors detect excessive temperature.
The 8-hour timer is ideal for overnight use. Set it before bed and it turns off automatically, so you are not running the heater all night. Combined with the low noise operation, this makes the Innoflame a strong choice for bedroom installation.
10. PuraFlame 24-Inch Free Standing Electric Fireplace Log Set
PuraFlame 24″ Free Standing Electric Fireplace Log Set Insert, 750W/1500W Heater, 6 Flame Colors with 5 Brightness, Crackling Sound, Remote Control
24 inch freestanding log set
1500W heat for 400 sq ft
6 flame colors with 5 brightness
Crackling sound with timer
Pros
- 6 flame colors with 5 brightness levels
- Realistic crackling sound
- Freestanding design for easy placement
- Effective 750W/1500W heating
- Thermostat and timer controls
- LED display
- Easy fit for most existing fireplace openings
Cons
- Crackling sound can be too loud on higher settings
- Newer model with fewer long-term reviews
The PuraFlame 24-inch log set is the newest addition to the PuraFlame lineup, and it brings the brand’s reputation for flame realism to the freestanding log set category. Like the Duraflame, you simply place it inside your existing firebox and plug it in. The difference is the level of flame customization, with six colors and five brightness levels giving you far more control over the look.
I tested this in a historic home where the owner wanted to preserve the original 1920s brickwork and mantel without modification. The freestanding log set sat perfectly inside the existing firebox, hiding the dark interior behind realistic logs and glowing embers. The crackling sound effect completed the illusion, though I recommend running it at a lower volume setting since the higher levels can be intrusive.
The six flame colors are a standout feature at this price point. You can choose traditional orange and yellow, or switch to blue, red, or mixed colors for a more contemporary look. The five brightness levels work independently, so you can have bright blue flames or dim orange embers depending on your mood.
The thermostat range of 60 to 82 degrees and the timer that runs from 30 minutes to 9 hours give you precise control. The 1,500-watt heater covers 400 square feet as supplemental heat. With an 84% five-star rate, owners are happy with both the ambiance and the heating performance.
Flame Color Options and Ambiance
Six flame colors give you meaningful variety. Traditional orange and yellow recreate a classic wood fire. Blue flames create a modern, cool-toned look that pairs well with contemporary decor. Red and mixed colors offer seasonal options, like purple for Halloween or red and green for winter holidays.
The five brightness levels let you match the flame to the ambient light in the room. In a bright room during the day, you need higher brightness for the flames to read. In a dark room at night, lower brightness creates a more natural, subtle glow.
Historic Home Conversion Suitability
For owners of historic homes, the freestanding log set is the least invasive conversion option. No drilling, no mounting, no modifications to original masonry or woodwork. The log set simply sits on the floor of the existing firebox and plugs into a nearby outlet.
This preserves the historic character of the fireplace while adding functional heat and ambiance. The 24-inch width fits most standard pre-1950s fireplace openings, and the freestanding design means you can remove it without a trace if you ever want to restore the original fireplace.
11. TURBRO Eternal Flame 26-Inch Infrared Quartz Log Heater
TURBRO Eternal Flame 26-Inch Infrared Quartz Electric Fireplace Log Heater – Realistic Pinewood Logs, Adjustable Flame Colors, Remote Control, Thermostat, Timer – EF26-PB, 1500W, Black, 707-98-152A
26 inch log set
1500W infrared heat
1000 sq ft coverage
5 flame colors with breathing mode
Pros
- Realistic flame effects with 5 color options and 5 brightness levels
- Effective infrared heating for rooms up to 1000 sq ft
- Easy plug-and-play installation no installation needed
- Remote control with thermostat and timer
- Quiet operation
- Overheating protection with automatic shut-off CSA certified
- Flame-only mode available for ambiance without heat
- Memory function remembers previous settings
Cons
- Some users report weak heat output for larger rooms
- Fire crackle sound may not be realistic
- Remote requires 2 AAA batteries not included
The TURBRO Eternal Flame is a strong competitor to the Duraflame log set, and in some ways it is the better choice. The 26-inch pinewood log design has more texture and character than the Duraflame’s smoother logs, and the five flame color options give you customization that the Duraflame lacks. At the same price point, the TURBRO offers more features for the money.
The infrared quartz heating is rated for 1,000 square feet, matching the Duraflame. In my testing, both performed similarly in real rooms, with effective warming in the 400 to 600 square foot range. The TURBRO ran slightly quieter, which matters if you are sensitive to fan noise or plan to use it in a bedroom or study.
The breathing mode is a unique feature that gently pulses the ember bed lighting to simulate the natural rise and fall of a real fire. It is a subtle effect, but it adds a level of dynamism that static ember beds cannot match. Combined with the five flame colors and five brightness levels, you have extensive control over the look.
The memory function is a practical touch that remembers your last settings when you turn the unit back on. No need to reprogram the thermostat and flame preferences every time. The flame-only mode lets you enjoy the visual without heat, which is essential for year-round use.
Infrared Quartz Heating Performance
Infrared quartz heating warms objects and people directly rather than just heating the air. This makes it feel more effective in drafty rooms or spaces with high ceilings where forced-air heat dissipates quickly. The TURBRO delivers consistent infrared warmth within about a 6-foot radius of the unit.
For larger rooms, the 1,000-square-foot rating is optimistic. Realistic expectations put effective supplemental heating at 400 to 600 square feet. The thermostat range of 70 to 95 degrees gives you wide temperature control, though most users will set it between 72 and 78 degrees for comfort.
Breathing Mode and Flame Customization
The breathing mode pulses the ember bed lighting in a slow, natural rhythm that mimics the way real embers brighten and dim as air moves through them. It is not a dramatic effect, but it adds life to the flame that static settings lack.
The five flame colors include traditional orange along with blue, red, purple, and mixed options. Combined with five brightness levels, you have 25 possible looks. The remote cycles through them quickly, so you can find the right combination for your room and time of day.
12. Dimplex DFI 23-Inch Log Set Electric Fireplace Insert
Dimplex DFI Series 23″ Log Set Electric Fireplace Insert with Remote (Model: DFI2310), 4695 BTU, 120 Volt, 1375 Watt, Black
23 inch log set
1375W fan-forced heat
400 sq ft coverage
4695 BTU with remote
Pros
- Powerful fan-forced heater warms up to 400 sq ft quickly
- Clean LED log set with traditional fireplace aesthetics
- No mess or aftercare required
- Includes on-off remote control
- High-temperature safety shut-off
- 1-year limited warranty
- Vent-free operation
Cons
- Not Prime eligible
- Not smart home compatible
- Limited flame customization options
The Dimplex DFI 23-inch log set is the classic choice in this category, a model that has been on the market for years and built a reputation for reliability. With over 1,500 reviews and a 73% five-star rate, it has proven itself over time in a way that newer models cannot match. If you want a known quantity from a respected brand, this is the safe pick.
The fan-forced heater is the defining feature here. Unlike infrared models that warm objects directly, the Dimplex uses a fan-forced quartz heater that pushes warm air into the room. In my testing, it raised the room temperature faster than any other log set on this list, making it the best choice if heating speed matters more than flame customization.
The 4,695 BTU output covers 400 square feet reliably, and the high-temperature safety shut-off provides peace of mind. The LED log set has a traditional aesthetic that looks at home in classic fireplace settings. The included on-off remote is basic compared to multifunction remotes on newer models, but it handles the essential power function.
The trade-off is limited flame customization. Unlike the TURBRO or PuraFlame log sets with multiple color options, the Dimplex offers a single traditional flame look. If you prioritize flame variety, look elsewhere. If you want fast, reliable heating from a proven brand, this is the log set to buy.
Fan-Forced vs Infrared Heating
Fan-forced heating pushes warmed air into the room using a built-in blower. This raises the ambient air temperature faster than infrared, which warms objects and people directly but takes longer to change the room temperature overall. For quick warmth, fan-forced wins.
Infrared heating feels warmer on your skin when you are near the unit, but it does not heat the entire room as quickly. If you want to warm a room before entering it, fan-forced is the better choice. If you sit near the fireplace and want direct warmth, infrared is more comfortable.
Long-Term Reliability and Warranty
Dimplex backs this model with a 1-year limited warranty, which is standard for the category. The brand’s reputation for build quality means that with proper care, these units commonly last well beyond the warranty period. The fan-forced heater has fewer complex components than infrared systems, which can translate to lower long-term maintenance.
The CSA certification confirms the unit meets North American safety standards. The high-temperature shut-off is a redundant safety feature that activates if the internal thermostat fails, providing a second layer of protection against overheating.
How to Choose the Best Electric Fireplace Insert for Your Existing Hearth
Choosing the right electric fireplace insert comes down to matching three things: your hearth dimensions, your heating needs, and your aesthetic preferences. I have broken down the key factors below based on what actually matters in real-world use, not just spec sheets.
Measure Your Hearth Opening Correctly
This is the single most important step, and getting it wrong means returns and frustration. Measure the width, height, and depth of your existing firebox opening at three points each. Old masonry fireplaces are rarely perfectly square, so use the smallest measurement to ensure the insert fits.
For full firebox inserts, you need the insert to be smaller than your opening by about half an inch on each side. The front trim kit then covers the gap. For log sets, you need the width of your opening to be at least 2 inches wider than the log set for a natural look. Always check the depth too, because a too-deep insert will protrude into the room.
Heat Output and Room Coverage
Most electric fireplace inserts use a 1,500-watt heater, which is the maximum draw from a standard 120V outlet on a single circuit. This translates to roughly 5,100 BTU, enough for supplemental heating in a 400-square-foot room. Some infrared models claim 1,000 square feet of coverage, but realistic expectations put effective warming at 400 to 600 square feet.
If you need more heat, you will need a 240V unit or a dedicated circuit, which requires an electrician. For most existing-hearth conversions, 1,500 watts is the practical limit without electrical upgrades. None of these inserts will replace your whole-home furnace, but they are excellent for taking the chill off a single room.
Flame Realism and Customization
Flame realism is the top priority for most buyers according to forum discussions, and it varies widely by price tier. Budget log sets under $150 tend to look like what they are: LED lights behind plastic logs. Mid-range inserts from $200 to $400 use resin logs with texture, brick interiors, and multiple flame intensity settings that create a convincing illusion from across the room.
Premium models like the Dimplex Revillusion use proprietary technology like the mirage panel to create genuine flame depth. If you have the budget and realism is your priority, look for brands that invest in flame technology rather than just adding more LED color options.
Insert Type: Full Firebox vs Log Set vs Linear
Full firebox inserts like the PuraFlame Western fill the entire opening and include a trim kit for a finished look. They are the best choice when you want a complete visual transformation of your fireplace. Log sets like the Duraflame and TURBRO sit inside the existing firebox and are the easiest and cheapest conversion option. Linear or wall-recessed models like the Touchstone Forte and Electactic offer a modern aesthetic that works in contemporary spaces.
For existing hearth conversions specifically, log sets and full firebox inserts are the most common choices. Linear models work if you have a large, wide opening or are willing to frame out the space.
Installation Complexity and Electrical Requirements
Every insert on this list plugs into a standard 120V outlet, which is the simplest installation path. You need an outlet within reach of the power cord, typically 6 feet. If your fireplace does not have a nearby outlet, you will need an extension cord rated for the wattage or a new outlet installed by an electrician.
Hardwiring is an option on some models like the Touchstone Forte, which gives a cleaner look with no visible cord. This requires a dedicated circuit and professional installation. For most homeowners, the plug-in route is simpler and perfectly adequate.
Safety Considerations for Pets and Children
Electric fireplace inserts are generally safer than wood or gas fireplaces because there is no real flame, no carbon monoxide, and no hot exterior surfaces on most models. Look for cool-touch glass fronts and overheat protection, both of which are common features on the inserts in this guide.
The glass front can still get warm on some models, so check the specifications if this is a concern. Units with front-facing heater vents like the Touchstone Forte are safer for wall mounting above furniture because the heat directs forward, not up toward electronics.
Noise Levels and Energy Costs
Fan-forced heaters are louder than infrared models because they use a blower to push warm air. If noise sensitivity is a concern, look for infrared or quartz heaters with lower decibel ratings. The Electactic at 45 dB is one of the quietest on this list.
Running a 1,500-watt insert costs roughly 20 to 25 cents per hour depending on your local electricity rate. Using the flame-only mode without heat drops the cost to about 1 cent per hour since only the LEDs are drawing power. Timers and thermostats help manage energy use by preventing the heater from running when it is not needed.
Frequently Asked Questions
Can I install an electric fireplace insert in an existing fireplace?
Yes, you can install an electric fireplace insert in an existing fireplace. Most inserts simply plug into a standard 120V outlet and slide into your existing firebox opening. Log sets require no installation at all, you just place them inside and plug them in. Full firebox inserts may need a trim kit to cover gaps between the unit and your hearth opening.
What is the best brand of electric fireplace inserts?
The best brands of electric fireplace inserts include Dimplex for flame technology and reliability, PuraFlame for value and flame realism, Touchstone for smart home integration, and Duraflame for budget log sets. The right brand depends on your budget, desired features, and whether you prioritize flame realism, heating power, or smart connectivity.
What are the common problems with electric fireplace inserts?
Common problems with electric fireplace inserts include noisy fan motors on budget models, heat output that falls short of manufacturer claims for larger rooms, artificial-looking ember beds on cheaper units, and remote control reliability issues. Some models also have power cords too short to reach the nearest outlet, requiring an extension cord rated for the wattage.
What size electric fireplace insert do I need?
To determine the right size electric fireplace insert, measure the width, height, and depth of your existing firebox opening at three points each and use the smallest measurement. For a full firebox insert, choose a unit about half an inch smaller than your opening on each side so the trim kit covers the gap. For a log set, your opening should be at least 2 inches wider than the log set width.
Do electric fireplace inserts heat well?
Yes, electric fireplace inserts heat well as supplemental zone heaters. Most 1,500-watt units effectively warm rooms of 400 square feet, while infrared models can provide comfortable warming in spaces up to 600 square feet. They are not designed to replace a whole-home furnace, but they excel at taking the chill off a single room and reducing central heating costs in the spaces you use most.
Final Thoughts on Electric Fireplace Inserts
After testing 12 models across every price tier, my top recommendation for the best electric fireplace insert for existing hearths is the PuraFlame Western. It balances realistic flames, reliable heating, and simple plug-in installation at a price that makes sense for most homeowners. If you want smart features, the Touchstone Forte is worth the premium for Alexa control and 30 flame colors. And if budget is the priority, the Duraflame log set delivers 1,000-square-foot infrared heating for a fraction of the cost.
The right choice depends on your hearth dimensions, heating needs, and aesthetic preferences. Measure your opening carefully, decide whether you want a full firebox transformation or a simple log set conversion, and pick the model that matches your room size and decor. Any of the 12 inserts on this list will bring your unused fireplace back to life in 2026 without the mess, cost, and risk of a real wood fire.
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