Best Wood-Burning Fireplace Inserts for Warm, Efficient Heating
If you want to upgrade a wood-burning space, choose a wood-burning fireplace insert designed to fit your fireplace and room. The right insert improves heat output, reduces emissions, and adds lasting value to your home. Below are five solid options with strong build quality and practical features to help you compare performance and fit.
| Product | Type | Heat / Coverage | Highlights |
|---|---|---|---|
| Ashley Hearth AW1820E Wood Stove Insert | Wood Stove Insert | 69,000 BTUs; heats up to 1,200 sq ft | Cast iron feed door; large ceramic glass window; heavy 3/16″ reinforced plate steel with firebrick lining; accepts logs up to 18″ |
| Buck Stove Model 21 Fireplace Insert | Non-Catalytic Wood Insert | Up to 28,901 BTUs; covers 1,800 sq ft | Heat-activated blower; black door with 9″ faceplate trim kit; customizable trim options |
| Buck Stove Model 91 Fireplace Insert | Catalytic Wood Insert | Up to 62,745 BTUs; covers 3,200 sq ft | Black door/windows; 9″ trim kit; traditional design with adjustable frames |
| Fireside Chimney Liner Insert Kit | Chimney Liner Kit | Installation accessory (not a heater) | 316 stainless steel; 6″ x 15′ kit; top plate, rain cap, liner; improves draft and safety |
| AnBaiMei 17 Inch Fireplace Grate | Fireplace Grate | Accessory for wood-burning setups | Six support bars; 1.18″ wide; high-temperature coating; elevates logs for better combustion and airflow |
Ashley Hearth AW1820E Wood Stove Insert
The Ashley Hearth AW1820E delivers substantial heat for mid-sized spaces. With 69,000 BTUs, it can warm up to about 1,200 square feet. A cast iron feed door frames a large ceramic glass window, enabling a clear view of the fire. The insert uses heavy gauge plate steel reinforced with firebrick lining for durability, and it accepts logs up to 18 inches long. This combination supports reliable, long-lasting warmth in living rooms or open-floor plans.
- 69,000 BTUs; 1,200 sq ft heating capacity
- Cast iron feed door; 16.5″ x 9″ window
- 3/16″ reinforced steel with firebrick lining
- Accepts 18″ logs
Buck Stove Model 21 Fireplace Insert
The Buck Model 21 is a non-catalytic wood-burning insert intended for moderate homes. It provides up to 28,901 BTUs and can heat spaces around 1,800 square feet. The design supports flexible installation with black trim kits and 9″ faceplates for a clean look. A heat-activated blower helps distribute warmth efficiently, while traditional styling with customizable door colors enhances room aesthetics.
- Up to 28,901 BTUs; ~1,800 sq ft coverage
- Non-catalytic with heat-activated blower
- Black door with 9″ trim kit; customizable finishes
Buck Stove Model 91 Fireplace Insert
The Buck Model 91 is a catalytic wood-burning insert offering powerful heating for larger spaces. It delivers up to 62,745 BTUs and can heat areas up to about 3,200 square feet. The unit features a traditional door design with a wide viewing area and a trim kit option in various finishes to suit different decors. The catalytic process helps extend burn times and improve efficiency in well-insulated homes.
- Up to 62,745 BTUs; ~3,200 sq ft
- Catalytic combustion with blower
- Black doors/windows with 9″ trim kit; adaptable styling
Fireside Chimney Liner Insert Kit
This FireSafe liner kit focuses on installation safety and efficiency. Made from premium 316 stainless steel, it offers durability and a tight seal with multiple seams and corrugations for a reliable liner. The kit includes a top plate with a rain cap, liner, and an appliance connector for vertical hookups. By improving draft and reducing moisture intrusion, it supports safer, more efficient wood burning.
- 316 stainless steel; corrosion resistance
- 7-ply seams and 10 corrugations
- Includes top plate, rain cap, liner, and appliance connector
- Enhances draft; reduces creosote buildup
AnBaiMei 17 Inch Fireplace Grate
The AnBaiMei 17 Inch Heavy Duty Fireplace Grate is designed to support durable wood burning. Constructed from thick steel with six support bars and four base legs, it uses a high-temperature matte black coating to withstand hot flames. Its 3-inch clearance keeps airflow steady while reducing heat damage to surrounding masonry. This grate helps improve log positioning and combustion efficiency in wood-burning inserts or open fireplaces.
- Six support bars; four base legs
- 1.18″ wide bars; heavy-duty construction
- High-temperature powder coating; 3″ clearance
Buying Guide
When choosing a wood-burning fireplace insert, consider how well it fits your space, how much heat you need, and how installation will work with your existing chimney.
- Heating capacity and space: Match BTU output to room size. Larger spaces benefit from higher BTUs or multiple inserts, while smaller rooms can rely on more compact models to avoid overheating.
- Fuel type and efficiency: Decide between catalytic vs non-catalytic designs. Catalytic models can burn longer between reloads but may require more maintenance; non-catalytic inserts tend to be simpler and quicker to light.
- Installation and venting: Assess whether you need a full insert retrofit or a liner kit. Some homes require professional installation to ensure proper clearances and venting.
- Materials and durability: Look for reinforced steel, ceramic glass, and firebrick lining for longevity in frequent-use spaces.
- Aesthetics and finish: Choose finishes that complement your home’s décor. Many inserts offer trim kits and color options to blend with existing mantels.
- Safety features: Prioritize doors with secure latching, heat shields, and glass that stays cooler to the touch when possible.
- Maintenance: Plan for regular ash removal and chimney cleaning to maintain efficiency and safety.
- Budget and warranty: Compare long-term costs, including parts and service, and check manufacturer warranties for peace of mind.