Looking to upgrade your old wood-burning fireplace, or electric fireplace without the hassle of smoke, soot, or expensive maintenance? You’re not alone. In 2025, electric fireplace inserts for existing fireplaces are hotter than ever—pun intended. As someone who’s reviewed dozens of fireplace products over the years, I’ve seen how these sleek, energy-efficient units can completely transform a living room.
Whether you’re after realistic flames, supplemental heat, or smart control features, this guide covers the 7 best electric fireplace inserts that combine function, beauty, and value.
Ready to cozy up without the mess? Let’s dive into the top picks that homeowners are loving this year.
Keep Reading!!
Best Electric Fireplace Inserts For Existing Fireplace
- Riseon Electric Fireplace Logs Inserts For Existing Fireplace with Infrared Remote
- PuraFlame 24″ Free Standing Existing Electric Fireplace Log Set Insert
- PuraFlame 16″ Electric Existing Fireplace Log Insert with Realistic Ember Bed
- duraflame Electric Faux Logs Insert with LED Flames for Existing Fireplaces
1. Riseon Electric Fireplace Logs Inserts For Existing Fireplace with Infrared Remote
The Riseon Electric Fireplace Logs Insert with Infrared is the perfect solution for anyone looking to enjoy the cozy ambiance of a traditional fireplace—without the hassle of wood, smoke, or ash. Designed with realistic 3D flame technology, this unit creates the illusion of rolling, glowing logs, making any room feel warm and inviting.
With independent controls for flame and heat, users can enjoy the visual effects year-round, even during warmer months. Its energy-efficient fan heater offers two heating modes and five adjustable flame brightness levels to suit every mood and climate.
Engineered with advanced safety features such as ETL certification and overheat protection, this insert ensures peace of mind during use.
Compact, portable, and compatible with any standard 120V outlet, this freestanding or built-in fireplace log set is an ideal upgrade for existing wood-burning fireplaces in bedrooms, living rooms, offices, or basements. It combines function, aesthetics, and safety in one elegant unit.
Key Features
- 3D Realistic Flame Effect with 5 adjustable brightness levels
- Independent Flame & Heat Control for year-round use
- Adjustable Fan Heater with high/low modes and 60-second cooldown
- Overheat Protection & ETL Certification for enhanced safety
- Portable & Easy to Install in any room with 120V outlet
- Remote Control & 24-Hour Timer for convenience
| Pros | Cons |
|---|---|
| Realistic 3D flame offers an authentic fireplace look | Not suitable for large spaces needing high heat |
| Independent flame and heat control | Remote batteries not included |
| Quiet fan for undisturbed rest and reading | No thermostat-based auto temperature control |
| Overheat protection and ETL certified for safety | |
| Remote control & timer function for ease of use | |
| Compact and portable—fits most standard fireplaces |
My Opinion
What I personally love about the Riseon Electric Fireplace Log Insert is how effortless it makes transforming any dull fireplace into a cozy and realistic flame experience. I no longer have to worry about chopping wood, cleaning ash, or dealing with smoke.
The 3D flame effect looks stunning at night, and anyone can use it with or without heat—perfect for all seasons.
Safety is a big deal for me, especially with kids at home, and the overheat protection gives me peace of mind. It’s honestly one of the best fireplace upgrades.
2. PuraFlame 24″ Free Standing Existing Electric Fireplace Log Set Insert
The PuraFlame 24″ Free Standing Electric Fireplace Log Set Insert is an ideal upgrade for transforming your traditional fireplace into a hassle-free, cozy retreat. Designed to fit most existing fireplace openings, this plug-and-play electric log set brings a stunning visual display with six customizable flame colors, five brightness levels, and realistic crackling sound effects to replicate the charm of a real wood-burning fire.
With a powerful 750W/1500W heater, it efficiently warms spaces up to 400 sq. ft. without the mess of ash or smoke. The adjustable thermostat (60–82℉) and 0.5 to 9-hour timer let you control the temperature and ambiance with ease. Its user-friendly LED display keeps you informed of all settings at a glance.
Whether you’re using the flame-only mode for atmosphere or combining it with the heater for warmth, the PuraFlame log insert adds timeless comfort and modern convenience to any room. Plus, it comes backed by a one-year warranty and responsive customer support.
Key Features
- Fits Most Fireplace Openings – Simple setup with plug-in operation
- 6 Flame Colors & 5 Brightness Settings – Customize the ambiance
- Realistic Crackling Sound – Enhances the authentic fireplace experience
- 750W/1500W Heater – Heats up to 400 sq. ft. without smoke or mess
- Adjustable Thermostat (60–82℉) & Timer (0.5–9 hrs)
- LED Display – Clear visualization of settings
- Flame-Only Mode – Perfect for all seasons
| Pros | Cons |
|---|---|
| Fits easily into most standard fireplaces | Not suitable as a primary heating source |
| Multiple flame colors and brightness levels | Crackling sound volume not adjustable |
| Realistic flames with crackling for a wood-burning vibe | Only works with 120V outlet |
| Quiet operation and zero maintenance | No remote control included |
| Built-in thermostat and timer for convenience | One-year warranty may be short for some users |
| LED display for easy setting adjustments | Not compatible with smart home systems |
My Opinion
What really makes the PuraFlame 24″ Electric Fireplace Log Insert stand out is how effortless it is to bring life back into my old fireplace. I love having the option to choose between six flame colors—it gives a new experience every evening! The crackling sound adds such a cozy touch that it feels like a real fire, minus the mess and smoke.
The heater does a solid job warming my living room on chilly days, and I especially appreciate the thermostat and timer features, which let me set it and forget it. It’s the perfect balance between traditional fireplace charm and modern functionality.
Honestly, it’s a no-brainer for anyone looking to upgrade their fireplace experience.
3. PuraFlame 16″ Electric Existing Fireplace Log Insert with Realistic Ember Bed
The PuraFlame 16″ Electric Fireplace Log Insert with Realistic Ember Bed is the perfect plug-and-play heating solution for those looking to revive their existing fireplace space with modern charm and convenience.
Measuring 16″ wide by 12.5″ high, this compact electric log set is designed to fit comfortably in both small and large fireplace openings or even cabinets—no installation or venting required. With two heat settings (750W and 1500W) and a thermostat featuring 9 settings, it provides customizable warmth for up to 400 square feet.
The life-like ember bed and log set, combined with a mirage flame panel, create the look and feel of a real wood fire—without the mess or maintenance.
For safety and peace of mind, the unit includes overheat protection and operates almost silently, making it ideal for bedrooms, offices, or quiet living spaces. CSA-certified and backed by excellent customer support and a one-year warranty, this unit brings cozy comfort and realistic fireplace ambiance year-round.
Key Features
- Compact 16″ Design – Fits most existing fireplaces and cabinets
- Realistic Ember Bed & Log Set – Flame effect mimics a real fire
- 750W/1500W Heating Modes – Adjustable heat for personalized comfort
- 9-Level Thermostat – Helps maintain the perfect room temperature
- Overheat Protection – Automatically shuts off for safety
- Plug-and-Play Operation – No venting or installation required
- Quiet Performance – Ideal for restful spaces like bedrooms or studies
- CSA Certified – Ensures safe and reliable use
| Pros | Cons |
|---|---|
| Easy to install—just plug in and place | Smaller size may not suit very large fireplace areas |
| Beautiful flame and ember effect | No remote control included |
| Quiet operation, perfect for sleep or work | Heating coverage is moderate, not for entire homes |
| Adjustable heat settings with 9-level thermostat | |
| Compact size ideal for tight spaces | |
| CSA certified for enhanced safety |
My Opinion
What I really appreciate about the PuraFlame 16″ Electric Fireplace Log Insert is its compact design and how simple it is to use. You can plug it in, placed it into your old fireplace, and instantly had a warm, cozy vibe with glowing embers that look incredibly realistic.
Even better, it’s whisper-quiet, so I can use it while reading or sleeping without any distractions. The heat output is just right for small living room, and I love having the option to enjoy the flame effect without turning on the heat.
It’s been a great way to bring new life to any space without any mess or major effort.
4. duraflame Electric Faux Logs Insert with LED Flames for Existing Fireplaces
The PuraFlame 16″ Electric Fireplace Log Insert with Realistic Ember Bed is the perfect plug-and-play heating solution for those looking to revive their existing fireplace space with modern charm and convenience.
Measuring 16″ wide by 12.5″ high, this compact electric log set is designed to fit comfortably in both small and large fireplace openings or even cabinets—no installation or venting required. With two heat settings (750W and 1500W) and a thermostat featuring 9 settings, it provides customizable warmth for up to 400 square feet.
The life-like ember bed and log set, combined with a mirage flame panel, create the look and feel of a real wood fire—without the mess or maintenance.
For safety and peace of mind, the unit includes overheat protection and operates almost silently, making it ideal for bedrooms, offices, or quiet living spaces.
CSA-certified and backed by excellent customer support and a one-year warranty, this unit brings cozy comfort and realistic fireplace ambiance year-round.
Key Features
- Compact 16″ Design – Fits most existing fireplaces and cabinets
- Realistic Ember Bed & Log Set – Flame effect mimics a real fire
- 750W/1500W Heating Modes – Adjustable heat for personalized comfort
- 9-Level Thermostat – Helps maintain the perfect room temperature
- Overheat Protection – Automatically shuts off for safety
- Plug-and-Play Operation – No venting or installation required
- Quiet Performance – Ideal for restful spaces like bedrooms or studies
- CSA Certified – Ensures safe and reliable use
| Pros | Cons |
|---|---|
| Easy to install—just plug in and place | Smaller size may not suit very large fireplace areas |
| Beautiful flame and ember effect | Flame customization options are limited |
| Quiet operation, perfect for sleep or work | Limited to 120V standard outlet |
| Adjustable heat settings with 9-level thermostat | |
| Compact size ideal for tight spaces | |
| CSA certified for enhanced safety |
My Opinion
What I really appreciate about the PuraFlame 16″ Electric Fireplace Log Insert is its compact design and how simple it is to use. You can easily plugged it in, placed it into your old fireplace, and instantly had a warm, cozy vibe with glowing embers that look incredibly realistic. Even better, it’s whisper-quiet, so I can use it while reading or sleeping without any distractions.
The heat output is just right for my small living room, and I love having the option to enjoy the flame effect without turning on the heat. It’s been a great way to bring new life to my space without any mess or major effort.
For me, it’s the perfect blend of function, style, and simplicity.
5. LegendFlame 23″ Electric Log Set Fireplace Insert with Crackling Sound
The LegendFlame 23″ Electric Log Set Fireplace Insert is a beautiful and practical solution for homeowners seeking the warmth and charm of a traditional fireplace—without the mess or maintenance. Measuring 23″ wide, 20″ high, and 10″ deep, this log insert fits effortlessly into most existing fireplace openings or cabinets, transforming them instantly with the stunning illusion of real burning logs.
The realistic ember bed and crackling sound create a cozy, ambient atmosphere that mimics the charm of a wood-burning fire. Powered by 100% energy-efficient LED technology, the flames can be enjoyed with or without heat, making this unit ideal for year-round use. While it’s not a primary heat source, it comfortably warms spaces up to 400 square feet, operating on a standard 120V outlet.
CSA Certified and backed by a one-year limited warranty, it’s a perfect blend of convenience, safety, and timeless fireplace aesthetics.
Key Features:
- Realistic resin logs and ember bed with lifelike flame effect
- Crackling sound effect mimics a real wood-burning fireplace
- 23″ W x 20″ H x 10″ D – fits most fireplace openings and cabinets
- Heats up to 400 sq. ft., ideal for supplemental warmth
- LED flame operates with or without heat for year-round ambiance
- Energy-saving and smoke-free operation
- CSA Certified with a 1-year limited warranty
| Pros | Cons |
|---|---|
| Easy plug-and-play installation | Not designed as a primary heat source |
| Beautiful and realistic flame with ember bed and sound | Crackling sound not adjustable in volume |
| Operates flame effect independently from the heater | Requires a standard 120V outlet, which may limit placement |
| Ideal for small to medium-sized rooms | No remote control or advanced smart features |
| Energy-efficient LED lowers power consumption |
My Opinion:
Honestly, I love the LegendFlame 23″ Electric Log Set for its incredible realism and simplicity. The flame and ember bed look impressively lifelike, and that soft crackling sound really sells the fireplace experience. Any one can just slide it into old fireplace opening without worrying about venting, smoke, or chopping wood.
It’s perfect for creating a warm, relaxing vibe—especially in cooler months—while still saving on energy costs. If you’re looking for a hassle-free electric fireplace log insert that looks great and works year-round, this one truly delivers.
6. duraflame 1000 Sq Ft Heater Electric Log Insert For Existing Fireplace with Infrared Flames
The Duraflame 1000 Sq Ft Heater Electric Log Insert brings rustic charm and modern efficiency together in one beautifully crafted unit. Designed to fit seamlessly into existing fireplaces, this freestanding electric log set features realistic flames and life-like glowing logs that create the perfect cozy ambiance.
Thanks to infrared heating technology, it efficiently warms rooms up to 1,000 square feet, making it an excellent supplemental heat source for chilly areas without the need to heat the whole house. With independent flame and heat controls, you can enjoy the flickering flame effect year-round—even without heat.
Its easy plug-in installation, no-vent design, and remote control with digital thermostat, flame brightness, and speed adjustments make it a user-friendly and energy-saving fireplace upgrade. Whether you want cozy evenings in winter or ambient glow in summer, this Duraflame electric fireplace insert makes any space feel like home.
Key Features:
- Heats up to 1,000 sq. ft. using efficient infrared technology
- Realistic flame and log set enhances any fireplace opening
- Remote control with digital thermostat, brightness, and speed adjustments
- Independent flame and heat operation for year-round use
- Quick and tool-free installation – just plug in and place
- Ideal for supplemental heating, reducing energy bills
| Pros | Cons |
|---|---|
| Heats large rooms up to 1,000 sq. ft. | May be too large for very small fireplace openings |
| Realistic flame and glowing logs for visual appeal | No crackling sound effect included |
| Remote-controlled settings for convenience | |
| Can use flame effect without heat | |
| Simple, vent-free installation with no assembly needed |
My Opinion:
I genuinely prefer the Duraflame Electric Log Insert because it strikes the perfect balance between aesthetic charm and practical heating. The flames look so real, and I love being able to control everything from my couch—from the flame speed to the thermostat. The infrared heat is strong enough to warm a large living room, and I don’t have to worry about smoke, ash, or wood.
What really makes this a win for me is the year-round usability—I can still enjoy the flickering glow during summer nights without the heat. It’s easy to set up, energy-efficient, and honestly, just makes my living space feel warm and inviting every single day.
7. SIMOE 23-Inch Electric Fireplace Heater Insert for Existing Fireplace
The SIMOE 23-Inch Electric Fireplace Heater Insert is a sleek, high-performance solution for turning any existing fireplace into a beautiful, energy-efficient centerpiece. With realistic resin pinewood logs and five adjustable flame brightness levels, this electric insert replicates the charm of a wood-burning fireplace—without the mess, smoke, or upkeep.
Designed with a powerful 1500W heating system, it produces up to 5120 BTU of heat, capable of warming rooms up to 1,000 sq ft. Whether you’re seeking cozy heat on a winter day or a soft flame for ambiance, this unit has three customizable modes, including flame-only, heat + flame, and sleep mode.
The adjustable thermostat (70°F–95°F), dual control options, and quiet operation make it easy to use and suitable for any room. CSA-certified with built-in safety features, the SIMOE insert blends style, safety, and performance for year-round comfort and visual appeal.
Key Features:
- 23-inch insert with realistic resin pinewood log set
- 5 flame brightness levels and 3 operating modes (flame-only, heat+flame, sleep)
- Infrared quartz + resistor wire heating system with 5120 BTU output
- Heats up to 1,000 sq ft efficiently
- Thermostat adjustable from 70°F to 95°F
- Remote + control panel with 13 ft range and timer (0.5–8 hours)
- CSA certified with overheat protection and child lock
- Quiet operation ideal for bedrooms, offices, and living rooms
| Pros | Cons |
|---|---|
| Realistic flames with 5 adjustable brightness levels | Remote range may be limited in large spaces |
| Powerful 1500W heating with thermostat for room-specific comfort | May not fit smaller fireplaces due to 23” size |
| Safe CSA-certified design with overheat protection & child lock | Lacks crackling sound effect for enhanced realism |
| Multiple modes including sleep mode for subtle ambiance | |
| Remote and panel control offer flexible operation |
My Opinion:
What I truly appreciate about the SIMOE 23-Inch Electric Fireplace Insert is how it combines customization, quiet comfort, and authentic visuals in one smart package. The ability to tweak flame brightness and warmth exactly to my liking—right from the couch—is a game-changer.
The infrared heating system is impressively efficient, making my large room warm in no time, and the sleep mode is perfect for a relaxed vibe at night. I also value how safe and quiet it is—especially for use in a bedroom.
Overall, I prefer this product because it delivers both style and substance while offering a clean, hassle-free alternative to wood or gas fireplaces.
How to Choose the Right Electric Fireplace Insert
Finding the perfect electric fireplace insert can feel overwhelming with so many options out there. Here are the key things to look for:
- 1. Size and Dimensions:
- Measure your existing fireplace opening to ensure the insert will fit snugly. Check both width and height, and remember to leave some space for airflow.
- 2. Heating Capacity:
- Most inserts are designed to heat rooms between 400 and 1,000 square feet. Make sure the model you choose matches the size of your space. For larger rooms, opt for inserts with infrared quartz heating.
- 3. Flame Realism:
- The beauty of an electric fireplace lies in its flame. Look for models that use LED or holographic technology to mimic real fire. Some even have adjustable brightness and multi-color flames for added flair.
- 4. Smart Features:
- Many modern inserts come with remote controls, touch panels, timers, and smart home compatibility (like Alexa or Google Home). If you love tech, don’t settle for less.
- 5. Design and Aesthetics:
- From traditional log looks to minimalist glass panels, your insert should complement your home décor. Choose a finish and flame style that fits your vibe.
- 6. Safety and Certifications:
- Always check for safety features like overheat protection, cool-to-touch glass, and certifications like UL or ETL for peace of mind.
You May Also Like To Read:
Affiliate Disclosure: Fireplaceadviser.com is a participant in the Amazon Services LLC Associates Program. We may earn a commission when you click on certain links on this site and purchase.
Hello!! I am Jamal Khan. I often fix my home electric heaters and gas stove problems and research the common issues in the heating units to improve my knowledge and expertise. The aim of establishing fireplaceadviser.com is to share my expertise and knowledge with my audience.
