Finding the best electric fireplace inserts for existing fireplaces involves balancing style, heat output, ease of installation, and features. The Overall Best Pick, the PuraFlame Western Electric Fireplace Insert, stands out for its realistic flames and sound effects, making it a versatile upgrade. The LegendFlame Log Sets deliver authentic-looking logs with effective heating at a more affordable price, while the Giantex Electric Fireplace Insert offers great customization options for those wanting more control. Buyers often face tradeoffs between realistic visuals, heating power, and ease of use. Continue reading for a detailed breakdown of how each option compares and which best suits different needs.
Key Takeaways
- Realistic flame effects, sound, and multiple color options are key for visual authenticity.
- Heat output varies widely; choose based on room size and insulation for effective heating.
- Ease of installation and control features like remote or touch screen enhance usability.
- Faux log sets tend to be more affordable but may lack some advanced features of built-in inserts.
- Premium models often offer better build quality, more customization, and quieter operation.
More Details on Our Top Picks
PuraFlame Western Electric Fireplace Insert with Fire Crackling Sound, Remote Control, 750/1500W, Black, 33 1/16 Inches Wide, 25 9/16 Inches High
This PuraFlame insert stands out for its realistic flame display and versatile features, making it ideal for those who want a seamless upgrade to their existing fireplace. Compared with the LegendFlame logs, this model offers a more comprehensive flame effect and a sleek three-sided interior that enhances authenticity. The adjustable thermostat and remote control provide a user-friendly experience, though it can’t be hard-wired, limiting installation options. Its dimensions fit large openings perfectly, and the resin log looks convincingly real, creating a cozy ambiance. The crackling sound, while optional, adds to the realism, but the lack of precise remote temperature control is a minor drawback. This pick makes the most sense for homeowners seeking a high-quality, visually impressive insert that is easy to install and operate.
Pros:- Realistic flame and ember effects with adjustable brightness
- Sleek, three-sided interior brick design
- Remote control with adjustable thermostat
- Easy to install and uninstall
Cons:- Cannot be hard-wired, requiring a plug-in outlet
- Limited to supplemental heating up to 400 sq ft
- No digital remote temperature control
Best for: Homeowners with large fireplaces who want a realistic, customizable look and ease of use.
Not ideal for: Buyers with limited electrical access or seeking a hardwired installation, as this model cannot be hard-wired.
- Width:33 1/16 inches
- Height:25 9/16 inches
- Depth:8 25/32 inches
- Heat Output:750/1500W
- Coverage Area:400 sq ft
- Power Source:120V plug-in
Bottom line: Best suited for those wanting a large, visually impressive insert with easy operation and realistic effects.
This model excels at creating a variety of flame effects with its 12 color modes plus ember and ambient lighting, making it perfect for users who want to tailor their fireplace ambiance. Unlike the LegendFlame logs, which focus mainly on flame realism, this insert offers a full atmosphere with multiple flame speeds and brightness levels, controlled easily via remote. It heats efficiently up to 450 sq ft, with eco mode adjusting power based on room temperature, though it’s not designed for primary heating. Its dimensions fit well into standard openings, and the flame effects are visually striking, especially with the optional top ambient light. However, the advanced features mean it’s somewhat more complex to operate and slightly pricier than simpler models. This pick makes sense for those who want plenty of flame customization and effective supplemental heat in a medium-sized room.
Pros:- Multiple flame color and effect options
- Remote and button control for easy operation
- Adjustable flame speed and brightness
- Eco mode for energy savings
Cons:- More complex setup and operation
- Heats up to only 450 sq ft, not a primary heat source
- Larger footprint may not fit all openings
Best for: Homeowners seeking a versatile, highly customizable insert for rooms up to 450 sq ft.
Not ideal for: Buyers looking for a simple, no-frills unit or those with very tight space constraints, as its dimensions are substantial and features complex.
- Width:36 inches
- Height:27 inches
- Depth:8.9 inches
- Heat Output:750/1500W
- Coverage Area:450 sq ft
- Power Source:120V corded
Bottom line: Ideal for users wanting a highly customizable, feature-rich insert for medium-sized rooms.
LegendFlame 23″ W Free Standing Electric Fireplace Log Set (EF290), Fireplace Insert, Heater 750W/1500W, Crackling Sound, Remote Control
The LegendFlame EF290 offers a compact and realistic log set that fits into smaller spaces while providing the charm of a wood fire. Unlike the larger PuraFlame inserts, this model is perfect for those with limited space or who prefer a free-standing setup that doesn’t require installation. Its flame and ember effects are convincing, with crackling sounds that enhance the cozy fireplace experience. The simple installation and remote control make it accessible for most users, although it doesn’t include interior brick detailing or extensive flame customization like the NextGen models. Its heating capacity covers up to 400 sq ft, making it suitable for smaller living areas. The main tradeoff is its smaller size and fewer interior design options, but it’s a reliable, authentic-looking log set for tight spaces. It’s ideal for those prioritizing appearance and ease of use over large coverage.
Pros:- Realistic log and ember effects
- Compact and easy to place anywhere
- Crackling sound for authentic ambiance
- Remote control included
Cons:- Limited to 400 sq ft coverage
- No interior brick interior or extensive flame customization
- Lacks built-in thermostat or advanced features
Best for: Apartment dwellers or small space homeowners wanting a realistic, easy-to-use log set.
Not ideal for: Buyers seeking larger coverage or full fireplace inserts with customizable flame effects and interior details.
- Width:23 inches
- Height:20 inches
- Depth:10 inches
- Heat Output:750/1500W
- Coverage Area:400 sq ft
- Power Source:120V
Bottom line: Perfect for small spaces needing authentic log visuals with minimal installation fuss.
PuraFlame Western Electric Fireplace Insert with Fire Crackling Sound, Remote Control, 750/1500W, Black, 29 59/64 Inches Wide, 23 3/16 Inches High
This PuraFlame model offers a balanced size and realistic flame effects, making it ideal for those upgrading standard fireplaces. It features three flame settings with adjustable brightness and can be used with or without heat, providing year-round ambiance. Compared to larger models like the B01LA3VHHU, this insert is more suitable for medium-sized openings and offers a sleek, clean look with an interior brick wall that enhances realism. The remote control makes adjusting settings convenient, though it doesn’t support hard wiring, which could limit some installation options. Its dimensions and features make it a versatile choice for homeowners wanting a reliable, visually appealing insert that fits well into standard openings without overwhelming space.
Pros:- Multiple flame settings with adjustable brightness
- Realistic resin logs with ember bed
- Remote control for ease of use
- Sleek black finish with interior brick wall
Cons:- Not hard-wirable, requires outlet access
- Limited to supplemental heating up to 400 sq ft
- No digital remote temperature control
Best for: Homeowners with medium-sized fireplaces seeking a realistic, easy-to-operate upgrade.
Not ideal for: Buyers with larger or custom openings requiring bigger inserts or more extensive interior detail.
- Width:29 59/64 inches
- Height:23 3/16 inches
- Depth:8 39/50 inches
- Heat Output:750/1500W
- Coverage Area:400 sq ft
- Power Source:120V
Bottom line: Best for those who want a mid-sized, realistic insert that’s simple to operate and install.
duraflame® Electric Log Set 1,000 Sq Ft Infrared Heater, Faux Logs Insert with LED Flames for Existing Fireplaces, Crackling Sounds, Remote Control Included
The duraflame log set stands out for its infrared heating capability, providing warmth to spaces up to 1,000 sq ft, making it suitable for larger rooms or open-plan areas. Unlike the smaller LegendFlame logs, this unit focuses heavily on heating efficiency, with realistic LED flames and crackling sounds to mimic a real fire. It’s easy to install—just plug in and place in your fireplace—and the remote control offers full adjustment of flame speed, brightness, and sound volume. The independent flame and heat controls allow year-round enjoyment, whether you want cozy flames without heat or vice versa. The main tradeoff is that it’s a non-walled, non-insert model, so it works best as a standalone or decorative element. It’s perfect for those who want a large, effective heater with authentic visuals and sound.
Pros:- Infrared heater for large coverage (up to 1000 sq ft)
- Authentic LED flames and crackling sound
- Remote control with adjustable flame and sound
- Easy plug-and-play installation
Cons:- Not a built-in insert, so less integrated into existing fireplaces
- Lacks interior brick detail or advanced flame effects
- Requires larger space to maximize heating benefits
Best for: Homeowners with large, open spaces needing supplemental heat and realistic ambiance.
Not ideal for: Buyers with small fireplaces or seeking a built-in, recessed insert for a more integrated look.
- Coverage Area:1000 sq ft
- Heat Output:750W/1500W infrared
- Dimensions:29 59/64 x 31.89 x 24.61 inches
- Power Source:120V
- Sound:Crackling sound
- Remote Control:Included
Bottom line: Ideal for large areas needing practical heating combined with realistic visual and sound effects.
LegendFlame 25″ W Free Standing Electric Fireplace Log Set (EF484), Fireplace Insert, Heater 750W/1500W, Crackling Sound, Remote Control
This model stands out for its straightforward installation, fitting into both small and large openings with minimal effort. Its realistic resin logs and ember bed surpass the visual appeal of many standard inserts, creating a more convincing flame effect than the PuraFlame Western. Compared to the other high-tech options like ZAFRO’s 21″, the LegendFlame emphasizes simplicity and visual authenticity, though it doesn’t include advanced features like adjustable flame colors. The remote control adds convenience, and its energy-efficient LED flame offers year-round ambiance without heat unless desired. It’s ideal for those seeking a quick upgrade that mimics a wood-burning look, but it isn’t designed to be a primary heat source. The 100% energy-saving LEDs reduce bills, and it covers up to 400 square feet. However, the one-year limited warranty might be less appealing for long-term reliability, and it lacks multiple flame color options.
bestFor: Homeowners who want a realistic, easy-to-install fireplace insert that enhances ambiance without complex controls.
notIdealFor: Buyers seeking high-tech customization or supplemental heating as a primary source.
pros: Realistic resin logs with ember bed, easy installation, energy-efficient LED flames, remote control included.
cons: Limited to visual effect with no adjustable flame colors, not a primary heat source, one-year warranty.
verdict: This pick suits those prioritizing authenticity and simplicity in transforming an existing fireplace.Pros:- Realistic resin logs and ember bed for authentic appearance
- Simple installation fits various opening sizes
- Energy-efficient LED flames for year-round use
- Remote control for convenient operation
Cons:- Limited flame color options, only one style
- Not suitable as a primary heat source
- Warranty limited to one year
Best for: Homeowners seeking a realistic, hassle-free upgrade that mimics a wood-burning fire.
Not ideal for: People wanting advanced flame customization or primary heating capabilities.
- Size:25″ W x 20″ H x 10″ D
- Power Source:120V
- Heater Output:750W/1500W
- Coverage:Up to 400 sq ft
- Control:Remote included
- Certification:CSA Certified
Bottom line: Ideal for those wanting a straightforward, realistic fireplace enhancement without complex features.
23″ Electric Fireplace Insert, Recessed Fireplace Heater with Low Noise, Remote Control with Timer, Touch Screen, Adjustable Flame Brightness, 23.6″ L *17.7″ H
This model is tailored for recessed mounting, offering a sleek, modern look that integrates seamlessly into walls or entertainment centers, making it ideal for contemporary spaces. Its ultra-high-intensity LED flames with adjustable brightness and log effect rival the visual realism of the ZAFRO 21″, but with more control options, including a touch screen interface and remote. Unlike the LegendFlame, it emphasizes a clean, built-in aesthetic suitable for modern decor. Its thermostat and timer provide energy-efficient operation, comparable to other premium options, but it’s limited to room sizes around 400 square feet. The unit’s low noise operation is a plus over some noisier units like the Innoflame RV23V80M-MT1, which can be louder during operation. The installation process is straightforward, but it requires a recessed setup that might not suit all existing fireplaces. The main tradeoff is the higher price point for advanced features and sleek design.
bestFor: Buyers installing into wall recesses in modern living rooms or media centers.
notIdealFor: Those seeking a portable or freestanding unit or primary heating source.
pros: Slim recessed design, adjustable flame brightness, quiet operation, modern touch screen controls.
cons: Requires wall recessing, higher price, limited to room sizes up to 400 sq ft.
verdict: This is perfect for style-conscious buyers wanting a built-in, contemporary fireplace look.Pros:- Sleek recessed design for modern aesthetics
- Adjustable flame brightness and log effects
- Quiet operation with remote and touch controls
- Thermostat and timer for energy efficiency
Cons:- Requires wall recessing, not portable
- Higher cost due to advanced features
- Limited to 400 sq ft coverage
Best for: Consumers installing into custom wall niches or entertainment centers in modern homes.
Not ideal for: Users preferring freestanding, portable, or primary heat sources.
- Size:23.6″ L x 17.7″ H
- Power:750W/1500W
- Control:Touch screen and remote
- Flame Colors:3 adjustable
- Coverage:Up to 400 sq ft
- Noise level:Low noise
Bottom line: Best suited for those who want a sleek, built-in fireplace that complements contemporary interiors.
23″ Electric Fireplace Insert, Fireplace Heater with Remote, Adjustable 4 Flame Brightness, Log Set, Low Noise, 8H Timer, Overheating Protection, 1400W (23″ W X 19 3/4″ H)
This unit is designed specifically to replace older fireplaces, fitting into standard openings of 23″ W by 19.75″ H with minimal installation effort. Its realistic log set and four adjustable flame brightness levels surpass the basic visuals of models like Innoflame RV23V80M-MT1, providing a cozy, customizable atmosphere. Compared to the LegendFlame, it emphasizes easy retrofit installation, making it ideal for upgrading existing setups without major modifications. Its 1400W power output offers ample heat for rooms up to 400 sq ft, with a user-friendly remote and timer for convenience. The low noise operation and safety features like overheating protection are comparable to higher-end units, but it’s slightly bulkier, which might affect tight spaces. The main tradeoff is that it’s mainly intended for replacement rather than integrated modern decor.
bestFor: Homeowners updating or replacing outdated fireplace inserts with minimal fuss.
notIdealFor: Buyers seeking a sleek, built-in aesthetic or high-tech features.
pros: Easy retrofit design, realistic log and flame effects, adjustable brightness, remote control included.
cons: Larger size may limit placement options, not designed for modern wall integration, limited to basic visual customization.
verdict: This is a solid choice for straightforward replacement of old fireplace units with reliable heat and visual appeal.Pros:- Designed for easy replacement of outdated units
- Adjustable flame brightness and realistic logs
- Remote control with timer
- Overheat protection for safety
Cons:- Bulkier size may not suit all spaces
- Limited modern aesthetic options
- Less suitability for decorative front-facing installation
Best for: Homeowners needing a hassle-free replacement that fits standard mantel or opening dimensions.
Not ideal for: Those looking for integrated modern design or advanced control features.
- Dimensions:23″ W x 19.75″ H
- Power:1400W
- Heat Coverage:Up to 400 sq ft
- Flame Effects:4 adjustable brightness levels
- Control:Remote
- Safety:Overheat protection
Bottom line: Ideal for quick and reliable upgrade of existing fireplaces without extensive renovations.
ZAFRO 21″ Electric Fireplace Insert — Realistic 3D Flame, 750W/1500W Heat, Remote Control, Timer & Safe Overheat Protection for Home or Office
This model excels in delivering a modern, high-tech appearance with its immersive 3D holographic flames and multiple color and brightness settings, making it more visually dynamic than standard units like the Innoflame RV23V80M-MT1. Its 21″ size makes it a perfect fit for smaller spaces or compact furniture, though it covers less area than larger options such as LegendFlame 25″. The remote control and timer add to its convenience, while the overheat protection ensures safer operation. Compared with the Innoflame, it offers a more engaging flame effect but at a slightly higher price point. Its 750W/1500W heat options provide sufficient warmth for rooms up to 400 sq ft, but it may not be the best choice for larger or draftier spaces. The main drawback is its smaller size, which limits the visual impact in bigger rooms.
bestFor: Small rooms, apartments, or office spaces needing a stylish, compact fire effect.
notIdealFor: Larger living rooms or users wanting a full-wall centerpiece with high heat output.
pros: Advanced 3D flame technology, multiple flame colors and brightness levels, compact size, remote control with timer.
cons: Smaller visual footprint, higher price relative to basic units, limited to 750W/1500W output.
verdict: This is a great choice for tech-savvy buyers with space constraints looking for impressive visual effects.Pros:- Immersive 3D holographic flames with 5 brightness settings
- Multiple flame color options
- Compact size fits small spaces
- Remote control with timer
Cons:- Limited to 21″ size, less impact in large rooms
- Higher cost compared to simpler models
- Maximum heat output may be insufficient for very cold spaces
Best for: Individuals decorating smaller spaces or seeking a high-tech, compact fireplace experience.
Not ideal for: Those needing larger coverage or primary heating in large rooms.
- Size:21″ W x 19″ H x 9.13″ D
- Power:750W/1500W
- Coverage:Up to 400 sq ft
- Flame Effects:3D holographic, multiple colors
- Control:Remote with timer
- Overheat Protection:Yes
Bottom line: Best suited for small, modern spaces where impressive visual effects take priority over large coverage.
PuraFlame 27″ Free Standing Electric Fireplace Log Set Insert, 750W/1500W Heater, 6 Flame Colors with 5 Brightness, Crackling Sound, Remote Control
This log set insert stands out for its realistic flame effects and versatile color options, making it an excellent choice for those who want the look of a traditional wood fire without the mess. Compared with the LegendFlame EF290, which offers similar crackling sounds and remote control, the PuraFlame model provides a broader range of flame colors and adjustable brightness, creating a more customizable ambiance. The main tradeoff is its limited heating capacity—it’s designed for rooms up to 400 square feet and cannot serve as a primary heat source. Its easy-fit design suits most existing fireplaces, but the remote control’s limited range means you need to be relatively close to operate it comfortably. Additionally, the sound effects can be overwhelming at higher settings, although they can be turned off. Overall, this pick makes the most sense for homeowners seeking visual realism and simple operation in a secondary heating or decorative setup.
Pros:- Wide range of flame colors and brightness levels for customization
- Realistic crackling sound enhances authenticity
- Easy to place in most existing fireplace openings
Cons:- Limited heat output—suitable only for small rooms up to 400 sq ft
- Remote control range is somewhat short, making operation less convenient from afar
- Crackling sounds can be loud at maximum settings, which may be distracting
Best for: Homeowners who want a highly realistic flame effect and easy installation in existing fireplaces
Not ideal for: Those needing a primary heating solution or a compact insert for smaller spaces, as the size and heat output are somewhat limited
- Power Source:Corded Electric
- Heat Output:5100 BTU per Hour
- Additional Features:Adjustable Flame, Thermostat, Multicolor Flame, Overheat Protection
- Room Type:Bedroom
- Power Consumption:1500 Watts
- Size:27 inches wide
Bottom line: This insert is ideal for buyers prioritizing visual realism and quick, straightforward installation in secondary spaces.

How We Picked
I evaluated each electric fireplace insert based on several key criteria that matter to buyers: heat performance, installation ease, visual realism, control options, build quality, and value. Products were ranked higher if they offered consistent heating, intuitive controls, and durable construction. I also considered how well each model integrated into existing fireplaces, factoring in size options and compatibility. The goal was to identify options that balance performance with accessibility, highlighting standout features and tradeoffs to help readers make informed choices.Factors to Consider When Choosing Best Electric Fireplace Inserts For Existing Fireplace
When choosing an electric fireplace insert for an existing fireplace, it’s important to consider several factors that impact both aesthetics and functionality. Understanding these will help you avoid common pitfalls like overpaying for unnecessary features or selecting a model too small to heat your space effectively. The right insert should complement your room’s size, your style preferences, and your heating needs, all while fitting seamlessly into your existing hearth.Size and Fit
Accurate measurements are essential to ensure the insert fits well within your existing fireplace opening. Many models come in standard widths like 23, 27, or 29 inches, but some are adjustable or available in custom sizes. An ill-fitting insert may look awkward or fail to operate properly, so measure your opening carefully and compare it to each product’s specifications. Remember, a slightly larger or smaller insert may require additional adjustments or trim kits.
Heat Output and Room Size
Not all electric inserts produce the same amount of heat, so matching your model to your room size is vital. Look for wattage ratings—750W typically suits small to medium rooms, while 1500W is better for larger spaces. Some models include infrared heating, which can be more efficient and comfortable, especially in colder climates. Overestimating heat capacity can lead to unnecessary energy use, while underestimating leaves you cold; find a balance based on your space’s insulation and heating preferences.
Visual Features and Realism
The main appeal of electric inserts is their visual effect. Many models now feature LED flames, 3D effects, and sound effects like crackling logs that mimic real fires. Decide if you prefer log sets, glass flames, or customizable lighting. Keep in mind that more realistic visuals often come with higher costs or more complex controls. If aesthetics are your priority, investing in a model with multiple flame and color options will deliver a more convincing fireplace experience.
Ease of Installation and Control
A straightforward installation process is crucial, especially if you’re not experienced with DIY projects. Many inserts offer plug-and-play operation or simple mounting kits, but some may require wiring or professional setup. Control options vary from remote controls to touch screens and programmable timers. Consider how you want to operate your insert—remote controls add convenience, but simple button controls can be more reliable long-term.
Build Quality and Maintenance
Durability matters for long-term satisfaction. Look for sturdy materials, quality electrical components, and well-reviewed brands. Some models include features like overheating protection and cool-touch surfaces, enhancing safety. Maintenance is generally minimal but check for ease of cleaning and replacement parts, particularly for flame effects or log sets. A well-built insert saves money in the long run and provides a more consistent experience.
Frequently Asked Questions
Can I install an electric fireplace insert myself, or do I need a professional?
Many electric fireplace inserts are designed for DIY installation, especially plug-in models that require minimal wiring. These can typically be set into your existing opening with basic tools. However, if your setup involves hardwiring or modifications to your existing fireplace or electrical system, hiring a professional is advisable to ensure safety and compliance with local codes. Always follow the manufacturer’s instructions carefully to avoid issues later.
Will an electric fireplace insert heat a large room effectively?
Electric inserts can heat small to medium-sized spaces effectively, especially models with higher wattage (around 1500W). For larger rooms, consider a model with infrared technology or additional heating capacity. Keep in mind that electric inserts are generally supplemental heat sources; they may not replace your central heating system entirely but can significantly enhance comfort in specific areas.
Are flame effects on electric inserts safe for pets and children?
Most modern electric inserts are designed with safety features like cool-to-touch surfaces and automatic shut-offs. Flame effects are LED-based, producing no real fire or heat risk. Still, it’s wise to keep children and pets away from any electrical device and ensure the unit is installed securely. Always choose models with safety certifications and overheat protection for peace of mind.
How long do the flame effects and other features typically last?
LED flame effects are durable and can last for many years, often well beyond the lifespan of the heater itself. The main consideration is the replacement of any internal bulbs or components if they fail, which is rare. Sound effects and adjustable lighting are also designed for long-term use, though some models may have more fragile components that require repair or replacement over time. Regular cleaning and following manufacturer instructions help maximize longevity.
Is it worth paying extra for models with realistic log sets and sound effects?
Investing in models with realistic log sets and sound effects enhances the visual and sensory experience, making the fireplace feel more authentic. If aesthetics and ambiance are your primary goals, paying more can be justified. However, if your main concern is heating efficiency or budget, simpler models without these features may suffice. Balance what matters most to your environment and preferences before choosing a higher-end option.
Conclusion
For most buyers, the Best Overall choice is the PuraFlame Western Electric Fireplace Insert because it balances realistic visuals, solid heating, and ease of use. Those seeking the best value might prefer the LegendFlame Log Sets, which deliver authentic looks at a lower price point. If budget is less of an issue, the Giantex Electric Fireplace Insert offers extensive customization and premium features. Beginners or those wanting straightforward installation will find models like the 23″ Recessed Fireplace Heater easiest to set up. For specific needs like large rooms or high realism, select models designed for those priorities, ensuring your upgrade aligns with your space and style preferences.









