14 Best Masonry Fireplace Conversion Inserts for Wood Burning in 2025

If you’re looking to upgrade your masonry fireplace in 2025, I recommend exploring a variety of conversion inserts, including electric models like PuraFlame and Pleasant Hearth, as well as traditional wood-burning options like Buck Stove. These inserts offer realistic flames, efficient heating, and easy installation. Choosing the right one depends on your space and style preferences. Keep scrolling to discover detailed options and tips that will help you find the perfect fit for your home.

Key Takeaways

• Top-rated masonry fireplace conversion inserts include models from Buck Stove, PuraFlame, and Masarflame, suitable for various room sizes.
• Consider insert size, BTU output, and compatibility with existing masonry openings for a seamless fit.
• Features like realistic flames, adjustable brightness, and sound effects enhance aesthetic appeal.
• Electric inserts offer easy installation, energy efficiency, and supplemental heating for spaces up to 400 sq. ft.
• Ensure the chosen insert meets safety standards (UL, ETL) and matches your fireplace’s style for optimal performance.

Rutland Fireplace Mortar Cartridge, 10.3-Ounce, Gray – 63G

If you’re looking to repair or repoint your firebrick with precision, the Rutland Fireplace Mortar Cartridge is an excellent choice, especially for DIY enthusiasts. This 10.3-ounce gray cartridge makes it easy to fix small chips, cracks, or re-seal mortar joints between firebricks. It’s designed for interior use only and requires heat to cure properly. With approximately 99 feet of coverage at a 1/8-inch bead, it’s efficient for small projects. Plus, it can withstand temperatures up to 2000°F (1090°C), ensuring durable repairs that hold up under intense heat. It’s a reliable, user-friendly solution for maintaining your fireplace’s integrity.

Best For: DIY homeowners and fireplace owners seeking an easy-to-apply, heat-resistant mortar for repairing firebrick chips, cracks, and mortar joints inside their fireplaces.

Pros:

• Easy to use with a convenient cartridge applicator for precise repairs
• Rated to withstand high temperatures up to 2000°F (1090°C), ensuring durability
• Provides coverage of approximately 99 feet at a 1/8-inch bead, suitable for small projects

Cons:

• For interior use only; not suitable for outdoor or exterior fire features
• Requires heat to cure, so it cannot be used on unheated or cold fireplaces
• Limited to small repairs; may not be ideal for extensive or structural repairs

Ashley Hearth AW1820E 1,200 Sq. Ft. Wood Stove Insert , Black

The Ashley Hearth AW1820E wood stove insert is an excellent choice for homeowners seeking to heat a space up to 1,200 square feet efficiently. With 69,000 BTUs and over 75% efficiency, it delivers effective warmth while saving energy. Its durable construction features a cast iron feed door, a large ceramic glass window, and heavy gauge steel with firebrick lining for added heat retention. It accepts logs up to 18 inches long, making it versatile for various firewood. This sleek black insert replaces popular models like Vogelzang TR004 and US Stove 2200IE, combining robust performance with reliable durability.

Best For: homeowners seeking an efficient, durable wood stove insert to heat up to 1,200 sq. ft. with reliable performance and energy savings.

Pros:

• Over 75% heating efficiency for cost-effective warmth
• Heavy gauge steel construction with firebrick lining ensures durability and heat retention
• Large ceramic glass window allows for viewing the fire and adds aesthetic appeal

Cons:

• Requires a 69,000 BTU energy input, which may be overpowered for smaller spaces
• Installation may require professional assistance due to size and venting needs
• Limited to wood logs up to 18 inches, which may restrict firewood options

VESTAL Masonry Brick Fireplace Rear Outside Air Kit MOKR

For homeowners seeking to improve fireplace efficiency and reduce odors, the VESTAL Masonry Brick Fireplace Rear Outside Air Kit MOKR offers an essential solution. Designed specifically for brick masonry fireplaces, it draws outside air to enhance combustion, helping eliminate smoke and odors. The durable alloy steel construction features an adjustable door to control airflow and a straightforward installation process. With vent dimensions of 6×6 inches and a 15-inch pipe, it fits most setups. Using this kit not only boosts heating efficiency but also minimizes heat loss when paired with a glass enclosure, making your fireplace more energy-efficient and comfortable.

Best For: homeowners with brick masonry fireplaces seeking to improve combustion efficiency, reduce odors, and enhance energy conservation.

Pros:

• Durable alloy steel construction ensures long-lasting performance.
• Adjustable door allows precise control of airflow during use.
• Easy installation with included hardware and clear instructions.

Cons:

• Designed exclusively for brick masonry fireplaces, limiting compatibility with other fireplace types.
• Vent dimensions and pipe length may not fit all setups without modifications.
• Slightly heavier weight (~2 pounds), which may require careful handling during installation.

Pleasant Hearth Electric Log Insert with Heater

Ideal for those seeking a maintenance-free fireplace upgrade, the Pleasant Hearth Electric Log Insert with Heater instantly transforms an existing masonry or pre-fabricated firebox into a cozy, flame-lit centerpiece. It features realistic flame effects with glowing logs and ember beds, powered by energy-efficient LED technology. The unit fits most fireplaces, plugs into a standard outlet, and includes a removable fireback for customization. With a remote control, you can easily adjust flame and heat settings, providing up to 400 sq. ft. of warmth. Its sleek black cast iron and wood finish add style, making it a practical and attractive upgrade for any living space.

Best For: homeowners looking for a maintenance-free, stylish fireplace upgrade that provides both ambiance and supplemental heating for small to medium-sized rooms.

Pros:

• Realistic flame effects with glowing logs and ember beds powered by energy-efficient LED technology
• Easy to install, fitting most masonry and pre-fabricated fireplaces with plug-in convenience
• Adjustable heat and flame settings, including remote control operation for customized comfort

Cons:

• Flame visuals may lack full realism, with some users noting a less authentic appearance
• Constructed primarily from plastic and lightweight materials, which may affect durability and perceived quality
• Limited room heating capacity, suitable for spaces up to 400 sq. ft., not ideal for larger areas

Rutland Fireplace Mortar Cartridge, 10.3 Fl Oz, Black – 63

When tackling fireplace repairs, Rutland Fireplace Mortar Cartridge stands out as a top choice for DIY enthusiasts and professionals alike. Its 10.3 Fl Oz size makes it convenient for sealing cracks, chips, and re-pointing firebrick joints. Made of silicate, it sets rock hard after fire-curing and endures temperatures up to 2000°F, ensuring long-lasting durability. The black color blends seamlessly with most mortar shades, offering a clean, professional look. Easy to apply from the cartridge, it’s perfect for patching fireboxes, sealing cracks, or bonding firebricks. With proper curing, it provides a fireproof, reliable bond that withstands multiple heating cycles.

Best For: DIY homeowners and professionals seeking a durable, high-temperature mortar for fireplace repairs and re-pointing firebrick joints.

Pros:

• Sets rock hard and withstands temperatures up to 2000°F, ensuring long-lasting repairs.
• Easy to apply from the cartridge, making it convenient for precise application.
• Matches most mortar shades with available colors, providing a seamless and professional appearance.

Cons:

• Requires proper curing time (more than 48 hours) to prevent bubbling or sticking issues.
• Thinner consistency than expected, which may affect application for larger repairs.
• Designed for interior use only, so not suitable for outdoor or exposed environments without additional protection.

Electric Fireplace Log Heater, 750W/1500W, with Adjustable Flame, Music, Remote, 8H Timer

If you’re looking to add a cozy fireplace ambiance without the hassle of traditional wood-burning setups, the Electric Fireplace Log Heater with adjustable flames and sound effects offers a practical solution. It features a 20-inch resin insert with glowing logs, soft flickering flames, and three nature sounds, creating a realistic fire experience. With 750W/1500W heating options and an 8-hour timer, it heats small to medium rooms efficiently. Operated via remote or control panel, it’s safe, ETL-certified, and easy to set up. Perfect for living rooms, bedrooms, or offices, it combines visual appeal, soothing sounds, and supplemental warmth in one compact unit.

Best For: those seeking a realistic, easy-to-use electric fireplace with supplemental heating and soothing ambiance for small to medium rooms.

Pros:

• Realistic flame effects with adjustable brightness and speed enhance the cozy atmosphere.
• Easy to operate via remote control with multiple flame, sound, and timer settings.
• Safe, ETL-certified design with overheat protection and no chimney or smoke required.

Cons:

• Limited heat output may be insufficient for larger spaces or primary heating.
• Some users find the sound effects unnatural or not to their liking.
• Short power cord can restrict placement options and require extension cords.

Electric Fireplace Logs Inserts Heater with Infrared Remote Controller

The Electric Fireplace Logs Inserts Heater with Infrared Remote Controller stands out for those seeking a realistic and versatile alternative to traditional wood-burning fireplaces. I love its authentic 3D flame that mimics real logs with flickering lights and adjustable brightness. Made of durable cast iron, it’s stylish and suitable for indoor or outdoor use. The remote control allows me to adjust flames, heat, and timers easily. With 1800 watts of heat, it effectively warms rooms up to 750 sq ft. Plus, safety features like overheating protection and a timer make it a reliable, energy-efficient choice that creates cozy ambiance without the mess of wood.

Best For: Homeowners and outdoor enthusiasts seeking a realistic, energy-efficient, and safe alternative to traditional fireplaces for cozy indoor or outdoor spaces.

Pros:

• Realistic 3D flame with adjustable brightness creates an authentic fireplace ambiance.
• Easy to operate with remote control for flames, heat, and timer settings.
• Safe features like overheating protection and automatic shutdown ensure reliable use.

Cons:

• Some users may desire more realistic flames or crackling sound effects.
• The cord length might be limited for optimal placement flexibility.
• Slight noise during operation could be noticeable in quiet environments.

Duraflame Electric Log Set with Infrared Heater

The Duraflame Electric Log Set with Infrared Heater stands out as an ideal choice for those seeking a cozy fireplace ambiance without the hassle of venting or installing gas lines. It heats up to 1,000 sq ft with infrared quartz technology, providing efficient warmth and energy savings. The realistic faux logs, LED flames, crackling sounds, and remote control create a authentic, relaxing fire experience. Fully assembled and easy to install, it only needs an outlet and existing fireplace. Its safe, vent-free operation makes it perfect for bedrooms, living rooms, or home offices, offering both ambiance and supplemental heat with minimal effort.

Best For: those seeking an easy-to-use, realistic electric fireplace solution that adds ambiance and supplemental heat without the need for venting or gas lines.

Pros:

• Realistic LED flames and crackling sound effects create a cozy, authentic fire ambiance.
• Easy to install and operate, with remote control and fully assembled design.
• Efficient infrared quartz technology heats up to 1,000 sq ft, providing supplemental warmth and energy savings.

Cons:

• Power cord length may require an extension cord for optimal placement.
• Some users experienced initial noise issues due to vibrations, which can be fixed with adjustments.
• Limited to indoor use and may not mimic the full experience of a traditional fireplace.

PuraFlame Klaus Electric Fireplace Insert

Designed for those seeking a realistic, hassle-free alternative to traditional fireplaces, the PuraFlame Klaus Electric Fireplace Insert stands out with its authentic wood-burning appearance and easy installation options. It measures about 32 inches wide, 25 inches high, and 9 inches deep, fitting comfortably into most masonry openings. The unit features a resin log set, ember bed, and three-sided brick interior, creating a convincing wood-burning look. It heats up to 400 sq. ft. with 5100 BTUs, using energy-efficient infrared technology. Controlled via remote, it offers adjustable flames, sound effects, and thermostat settings, making it a stylish, functional addition that enhances ambiance without the mess of real wood.

Best For: Homeowners seeking a realistic, easy-to-install electric fireplace insert that enhances ambiance without the mess of traditional fireplaces.

Pros:

• Highly realistic wood-burning appearance with resin logs, ember bed, and brick interior for authentic look.
• Easy to install as wall mount or freestanding, fitting comfortably into most masonry openings.
• Energy-efficient infrared heating provides quick warmth for small rooms up to 400 sq. ft., with remote control for convenient operation.

Cons:

• Flame color variation and flame speed control are limited, primarily displaying red hues.
• Fire crackling sound effects can be metallic and less realistic, with no option for sound customization.
• Lacks a timer feature, which could enhance safety and convenience for users.

RICHFLAME Gavin 33-Inch Electric Fireplace Insert with Log Speaker

If you’re looking to add a realistic, maintenance-free fireplace experience to your home, the RICHFLAME Gavin 33-Inch Electric Fireplace Insert with Log Speaker stands out as an excellent choice. Its dimensions of 35 W x 27 H x 8.8 D inches fit well into various openings, offering a lifelike flame effect with three settings and a fading brick interior for added realism. The log speaker produces authentic crackling sounds that create a cozy atmosphere. With two heat options, it can warm up a 400-square-foot space or operate without heat for ambiance. Easy to install and CSA-certified, it combines safety, convenience, and comfort effortlessly.

Best For: Homeowners seeking a realistic, low-maintenance electric fireplace insert that adds ambiance and warmth to living spaces up to 400 square feet.

Pros:

• Realistic flame effects with adjustable settings and fade-in brick interior for enhanced authenticity
• Two heat options (750W and 1500W) to customize warmth and energy efficiency
• Easy installation with a CSA-certified design and remote control operation for convenience

Cons:

• Dimensions may require precise measurement for fitting into certain openings
• Limited to rooms up to 400 square feet, not suitable for larger spaces
• Requires a standard 120V outlet, which may limit placement options in some setups

Fireplace Insert Trim Kit for 43 W x 27 H, Black, B0BNT3V6K8

For homeowners seeking a sleek, easy-to-install solution that seamlessly blends with existing decor, the Fireplace Insert Trim Kit for 43 W x 27 H, Black (model B0BNT3V6K8) stands out. Made from durable sheet metal with a modern black finish, it covers gaps around your fireplace and offers a clean, finished look. Installation is straightforward—no screws needed, just push and plug in. It’s designed for vent-free electric inserts, with dimensions that fit 43 W x 27 H fireplaces perfectly. Weighing just under 9 pounds, it’s lightweight yet sturdy, enhancing your fireplace’s appearance while providing a seamless, stylish upgrade.

Best For: homeowners seeking a stylish, easy-to-install trim kit to enhance their vent-free electric fireplace’s appearance and seamless integration with existing decor.

Pros:

• Simple push-and-plug installation with no screws required, saving time and effort
• Durable sheet metal construction with a sleek black finish that resists deformation and is easy to clean
• Enhances the fireplace’s aesthetic by covering gaps and providing a modern, finished look

Cons:

• Lacks smart features or compatibility with voice assistants like Alexa or Google Assistant
• Some users report minor noise at low fan speeds during operation
• Limited to electric insert fireplaces; not suitable for wood-burning or gas fireplaces

Buck Stove Fireplace Insert Model 21

The Buck Stove Fireplace Insert Model 21 stands out for its impressive heating capacity, delivering nearly 29,000 BTUs to efficiently warm small to medium-sized spaces up to 1,800 square feet. It’s designed specifically for wood burning, ensuring reliable warmth throughout your room. The heat-activated blower improves heat distribution, making sure no corner is left cold. Installation offers flexibility, with customizable black trim kits that can be cut to fit larger openings and provide a traditional look. Its elegant, traditional design features a large viewing area and customizable door colors—Black, Pewter, or Gold—so you can match your decor effortlessly.

Best For: homeowners seeking a traditional-style, reliable wood-burning fireplace insert that can heat up to 1,800 square feet with customizable aesthetic options.

Pros:

• High heating capacity of nearly 29,000 BTUs for efficient warmth
• Flexible installation with customizable trim kits to fit larger openings
• Elegant design with large viewing area and customizable door colors

Cons:

• Limited to wood burning only, which may require more effort to source and manage fuel
• Requires proper installation and compliance with local codes for warranty validity
• Only offers a 1-year replacement warranty, which may be shorter than some competitors

PuraFlame Electric Fireplace Insert with Remote Control

The PuraFlame Electric Fireplace Insert with Remote Control stands out as an excellent choice for those seeking a realistic, easy-to-install heating solution without the hassle of traditional wood-burning fireplaces. Its dimensions—35 inches wide and just under 27 inches high—fit well in various spaces, while its freestanding design and plug-in setup make installation simple. Featuring realistic LED flames, multiple color options, and crackling sounds, it creates a cozy ambiance year-round. With a 1500W heater, it can warm rooms up to 400 sq. ft., and the remote control offers convenient adjustment of flames, sound, and heat. Overall, it’s a stylish and functional addition to any room.

Best For: those seeking a realistic, easy-to-install electric fireplace that provides supplemental heating and ambiance in indoor rooms up to 400 sq. ft.

Pros:

• Highly realistic LED flames with multiple color options and adjustable brightness
• Easy to install as a freestanding, plug-in unit with wall-mount capability without screws
• Provides effective supplemental heat, often warming slightly over 400 sq. ft.

Cons:

• Some users find the crackling sound effects artificial and wish for a timer feature
• Limited to indoor use and cannot be used outdoors
• The remote control’s functionality may occasionally be inconsistent or require batteries replacement

36 Electric Fireplace Insert with Remote Control and Timer

If you’re seeking a hassle-free way to upgrade your masonry fireplace, an electric insert with remote control and timer offers unmatched convenience. The Masarflame 36-inch model measures about 35.6L x 8.84D x 27.3H inches, fitting well into standard openings. It heats up to 400 sq.ft with a 5,000 BTU output and consumes 750/1500W. The unit features realistic flame effects, resin logs, ember bed, and multiple lighting options, all controllable via remote. It also includes a timer for automated operation. Easy to install and energy-efficient, this vent-free, retro-style insert combines style and function effortlessly, making it a popular choice for modern fireplace upgrades.

Best For: homeowners or renters looking to easily upgrade or replace their existing masonry fireplace with a stylish, energy-efficient electric insert that offers realistic flames and remote control functionality.

Pros:

• Easy to install and fits standard fireplace openings, with minimal modifications needed
• Realistic flame effects, resin logs, ember bed, and multiple lighting modes enhance ambiance
• Remote control and timer provide convenient operation and automation options

Cons:

• Sound effects, like crackling, may be unrealistic or limited in volume
• Remote control durability varies, and some users experience multiple presses for operation
• The logs’ appearance may not be highly realistic to all users, affecting visual authenticity

Factors to Consider When Choosing a Masonry Fireplace Conversion Insert Wood

When selecting a masonry fireplace conversion insert, I always start by checking if it’s compatible with my existing setup. I also consider its heating capacity, ease of installation, and how durable the materials are. Safety standards and certifications are essential to guarantee the insert is reliable and safe to use.

Compatibility With Existing Fireplaces

Choosing the right masonry fireplace conversion insert requires careful attention to compatibility with your existing setup. First, I make certain the insert’s dimensions match the interior opening of my fireplace to ensure a snug fit. It’s essential to verify the insert is designed specifically for masonry fireplaces, so it aligns with the structural features. I also check the venting and chimney requirements to see if my current setup can accommodate the new insert or if modifications are necessary. Clearance and framing specifications must be compatible with my fireplace opening and surrounding materials to prevent issues during installation. In conclusion, I consider whether the installation method—whether recessed, flush, or surface-mounted—fits my fireplace’s configuration. These factors help ensure a seamless, safe conversion process.

Heating Capacity and Output

Understanding the heating capacity of a masonry fireplace conversion insert is vital to guarantee it effectively warms your space. BTUs measure how much heat the insert produces, typically ranging from 20,000 to over 50,000 BTUs. To assure proper warmth, match the insert’s output to your room size—around 25-30 BTUs per square foot. Wood-burning inserts usually deliver higher BTUs compared to pellet or gas models, providing more heat. Keep in mind, factors like insulation, venting, and design influence how efficiently the heat transfers into the room. Overestimating BTUs can cause overheating and higher energy costs, while underestimating may leave your space inadequately warm. Choosing an insert with the right capacity is key to maximizing comfort and efficiency.

Installation and Fitment Ease

Selecting a masonry fireplace conversion insert that fits well and is easy to install can save you time and effort. First, measure your existing fireplace opening carefully, ensuring the insert’s dimensions match—most are between 30-36 inches wide, 20-28 inches high, and 12-24 inches deep. Decide whether you prefer a built-in or freestanding setup, and confirm your space can handle either. Look for inserts with adjustable or customizable trim kits to help achieve a clean, seamless look and cover gaps. Check that the installation process is straightforward, with minimal modifications needed, and that the hardware supports your specific fireplace type. Finally, consider if the design allows for easy removal or adjustments for future maintenance or relocation.

Material Durability and Finish

When evaluating masonry fireplace conversion inserts, focusing on the materials and finishes is essential for ensuring durability and safety. I recommend choosing inserts made from high-quality, heat-resistant materials like cast iron, steel, or ceramic, which offer longevity and can withstand high temperatures. The finish matters just as much; opt for powder coating or heat-resistant enamel designed to endure thermal cycling, preventing peeling, rust, or corrosion. A resilient surface—smooth, glazed, or powder-coated—resists staining, cracking, and chipping better than painted or uncoated options. It’s also vital to verify that the materials and finishes meet industry safety standards for fireproofing and heat resistance. Regular maintenance is easier with durable finishes, helping the insert stay functional and visually appealing over time.

Safety and Certification Standards

Are you confident that your masonry fireplace conversion insert meets all essential safety and certification standards? It’s crucial to verify that the product complies with recognized certifications like UL, ETL, or CSA, which ensure electrical and fire safety. Check that it aligns with local building codes for masonry modifications and venting. Look for inserts made from certified non-combustible materials and featuring safety features such as overheat protection and fireproof coatings. Rigorous testing for temperature resistance, structural integrity, and proper insulation is vital to prevent fire hazards. Always ensure the unit has clear certification labels and documentation, confirming it adheres to industry safety standards before installation. Prioritizing these factors helps keep your home safe and guarantees your investment is compliant and reliable.

Aesthetic and Style Match

Since the aesthetic harmony of your fireplace greatly impacts your room’s overall look, it’s essential to choose a conversion insert that matches your existing masonry fireplace. Look for an exterior design and finish that complement your current setup, whether it’s traditional brick or sleek black metal. Matching the insert’s color and style helps create a seamless, integrated appearance. Consider the realistic flame display and logs to evoke your preferred ambiance, making the fire feel authentic. Also, pay attention to the size and proportions of the insert to ensure it fits well within the masonry opening and looks balanced. Ultimately, select a design that aligns with your interior style—rustic, modern, or classic—to maintain cohesive room decor.

Frequently Asked Questions

How Do I Choose the Best Insert for My Specific Fireplace Size?

To select the best insert for my fireplace size, I measure the width, height, and depth accurately, then compare those measurements with the insert’s specifications. I look for models that are slightly smaller than my fireplace opening for a snug fit. I also consider the heating capacity and style to match my needs. Consulting with a professional guarantees I get a perfect fit and maximum efficiency.

Are Masonry Fireplace Inserts Energy-Efficient Compared to Traditional Fireplaces?

Think of a masonry fireplace insert as a secret weapon for energy savings. Yes, they’re more efficient than traditional fireplaces because they direct heat into your room, not up the chimney. I’ve found that modern inserts can cut your energy bills and reduce heat loss markedly. So, if you want warmth and savings, upgrading to an energy-efficient insert is a smart move—your home and wallet will thank you.

What Safety Features Should I Look for in a Masonry Fireplace Insert?

When choosing a masonry fireplace insert, I look for safety features like a sturdy, fireproof frame, secure glass doors to prevent sparks, and an automatic shut-off system in case of overheating. I also prefer models with proper ventilation and carbon monoxide detectors nearby. These features give me peace of mind, knowing that my home and loved ones are protected while enjoying the warmth and ambiance.

Can Electric Inserts Fully Replace Wood-Burning Performance?

Absolutely, electric inserts can sometimes feel like a magic trick, mimicking the warmth and glow of a wood fire, but they don’t quite match the crackle and real heat of traditional burning. While they’re fantastic for ambiance and convenience, I wouldn’t rely on them for the full experience or heating power of a wood fire. If you want authentic performance, a wood-burning setup still wins hands down.

What Are the Long-Term Maintenance Requirements for Masonry Fireplace Inserts?

Long-term maintenance for masonry fireplace inserts mainly involves regular cleaning and inspections. I recommend sweeping out ash and soot weekly to prevent buildup, and scheduling annual professional check-ups to guarantee proper ventilation and safety. Additionally, I inspect for any cracks or damage in the masonry to address issues early. Staying proactive keeps the insert functioning efficiently and extends its lifespan, making your fireplace both safe and enjoyable for years to come.

Conclusion

Transforming my old masonry fireplace into a warm, inviting centerpiece was easier than I imagined. With the right insert, I saw a flicker of life reignite in the hearth, casting a gentle glow that danced across my room like a cozy fire’s whisper. Whether I chose classic wood or electric warmth, each option felt like wrapping my home in a comforting embrace, turning cold nights into memories by the glow of newfound charm.