Comparison: Best Fireplace Heat Exchanger (Updated | Dec 17th)
As winter’s chill settles in, your fireplace could be doing more than just setting a cozy mood. Imagine transforming that beautiful, crackling fire into an efficient heating powerhouse for your entire room. That’s exactly what a quality fireplace heat exchanger can do, but with so many options on the market, which one truly delivers? We’ve done the homework for you, testing and comparing the top performers to help you make the smartest choice. Get ready to maximize your fireplace’s potential and slash those heating bills this season!
Editor’s Choice
Water to Air Heat Exchanger 15×20 with 1″ Copper Ports for Outdoor Wood Furnaces
High-Performance Heating
Best for a specific purpose
- Best for high-performance heating: Water to Air Heat Exchanger 15×20 with 1″ Copper Ports for Outdoor Wood Furnaces
- Best for compact efficient design: BestEquip Heat Exchanger 3″x7.5″ 40 Plates Brazed Plate Heat Exchanger 316L 3/4″ MPT Heat Exchanger B3-12A Beer Wort Chiller for Hydronic Heating
- Best for electricity-free heating: 6 inch Heat Powered Wood Stove Radiator – 4 Piece Heat Exchanger Set with Energy Saving Technology for Fireplace
- Best for durable steel construction: 12×15 Heat Exchanger Water To Air
- Best for easy heat recovery: Pelopy 6 Pack Stovepipe Heat Reclaimer 6 Inchstovepipe Radiator Rings Stove Pipe Heats Exchanger Fuel Efficient Collars Capture Heat from Stove Pipe
- Best for maximum thermal efficiency: BestEquip Heat Exchanger 3″x7.5″ 60 Plates Brazed Plate Heat Exchanger 316L 1/2″ BSP FPT Heat Exchanger EATB12 Beer Wort Chiller for Hydronic Heating
- Best for versatile heating solution: Water to Air Heat Exchanger 16×18 with 1″ Copper Ports for Outdoor Wood Furnaces
- Best for compact energy saver: AB Water to Air Heat Exchanger 14×16 with 1″ Copper Ports for Outdoor Wood Furnaces
- Best for premium stainless build: Brazed Plate Heat Exchanger Stainless Steel SS316L 3″x8″ 26 Plates 3/4″ MPT 210
- Best for maximum heat output: AB Water to Air Heat Exchanger 20×20 with 1″ Copper Ports for Outdoor Wood Furnaces
Product Comparison: Best Fireplace Heat Exchanger
High-Performance Heating
Water to Air Heat Exchanger 15×20 with 1″ Copper Ports for Outdoor Wood Furnaces, Residential Heating and Cooling, and Forced Air Heating(HTL15x20)
AB
- 【Excepetional Performance】The heat exchanger has a capacity of 110,000 Btu. Depending on the application, the heat exchanger can produce up to 360kBtu of heat per hour, with 12 aluminum fins and 3 rows of 3/8″ seamless copper tubes per inch. The combination of wavy fins and seamless copper tubes, which enhanced contact areas both inside and outside the tubes, increasing in heat transfer performance, maximizing heating or cooling efficiency.
- 【Premium Material】Our heat exchangers are supported by steel shells, and the edges and contact points are base brazed, which is very solid and not easily affected by high pressure and temperature. Copper and aluminum are highly conductive materials, which make the heat exchanger have good performance and economy in heat transfer and cooling.The fins are coated with epoxy resin, which improves the hardness and wear performance of the fins，prolonging the service life of the fins.
- 【Energy-efficient and Affordable】Our water-air heat exchangers allow for water-air heat exchange movement through a variety of sources – boilers, solar panels, etc.This means you can utilize a variety of renewable energy sources and save energy.
- 【Convenient Installation】This new type of heat exchanger is easy to install, with a variety of options available. It can be directly connected to the pipeline and fixed with clamps; it also can be directly welded to the pipeline and adapters or be connected with rivets to meet meet a multitude of installation needs.
- 【Multiple Applications】Water-to-air heat exchanger offers a high level of thermal efficiency and durability in a compact & lightweight unit, which maximizes space saving, suitable for Outdoor Wood Furnaces, Residential and Commercial Heating and Cooling, Hybrid Systems, Air Conditioning, Inverter Cooling, and so on.
Compact Efficient Design
BestEquip Heat Exchanger 3″x7.5″ 40 Plates Brazed Plate Heat Exchanger 316L 3/4″ MPT Heat Exchanger B3-12A Beer Wort Chiller for Hydronic Heating
BestEquip
- High Thermal Efficiency: Turbulent-flow design moves the two media in opposite directions and creates strong turbulences for superior heat transfer rates and efficiency. Our heat exchanger series have been certificated by CE.
- Energy Optimized: This heat exchanger stainless can heat water to the preset temperature, which is super energy-saving with no electricity consumption and no oxygen consumption.
- Robust Construction: This 40 plate heat exchanger features 316L stainless steel sheets, which are brazed together at the edges and the matrix of contact points for a reliable and rugged part to form a durable, integral piece that can withstand high pressure and temperature. Four thickened MNPT ports for your easier installation.
- Compact Design: Corrugated plate design of this plate chiller wort allows for substantially smaller build and footprint at an equivalent or better performance compared to other heat transfer devices – resulting in significant space savings.
- Highly Versatile: This heat exchanger beer offers the highest level of thermal efficiency and durability in a compact &lightweight unit, ideal for industrial oil cooling, refrigerant evaporators, and condensers, residential and light commercial HVAC hydronic systems.
Electricity-Free Heating
6 inch Heat Powered Wood Stove Radiator – 4 Piece Heat Exchanger Set with Energy Saving Technology for Fireplace
Generic
- [SUPERIOR HEAT TRANSFER] Advanced aluminum construction with 237 W/mk thermal conductivity delivers 5X faster heat distribution than standard materials, maximizing warmth throughout your living space while reducing energy costs
- [PROFESSIONAL 4-PIECE KIT] Complete heat exchanger set designed for 6-inch stove pipes includes all necessary components for comprehensive coverage, ensuring optimal temperature distribution in your fireplace system
- [ELECTRICITY-FREE OPERATION] Innovative heat-powered design harnesses natural convection through engineered airflow channels, providing efficient circulation while eliminating the need for external power sources
- [PREMIUM DURABILITY] High-grade black heat-resistant coating ensures lasting protection at elevated temperatures, perfectly complementing your existing chimney aesthetics while maintaining peak performance
- [QUICK DIY SETUP] Tool-free installation on standard 6-inch wood stove pipes with clear instructions enables you to enhance heating efficiency within minutes – no professional assistance required
Durable Steel Construction
12×15 Heat Exchanger Water To Air , Forced Air Heating with 1″ Copper Ports Hot Water Coil for Outdoor Wood Furnaces, Residential Heating
GPOAS
- 【Superior Quality】– Our water-to-air heat exchangers adopt 24×24 robust 306 steel made case to provide support around the body of the heat exchanger. 12 aluminum fins per inch and 3 rows of 3/8″ seamless copper tubes maximize heating or cooling efficiency. Edges and contact points are base brazed so this heat exchanger can withstand high pressures and temperatures, it is sturdy and durable
- 【Easy to Install&Practical Design】– Installation of the heat exchanger is simplified with four thickened MNPT ports by simply sliding it into the plenum. You don’t need any extral tools to install, the design of this structure makes the floor space smaller, thus saving space, and will not affect the working performance of this product
- 【Highly Energy-saving】– To heat water to a preset temperature, this heat exchanger can directly convert thermal energy. The highly conductive material has good heat transfer and refrigeration performance and economy without consuming electricity and oxygen
- 【Wide Application】– This heat exchanger provides a high level of thermal efficiency and durability in a compact and lightweight construction. Ideal for outdoor wood stoves, residential and commercial heating and cooling, forced air heating, hybrid systems, air conditioning, dehumidification and more
- 【Warmly Notice】– Copper pipes need to be forged at a high temperature and then cooled with water during the production process. Some water stains will inevitably occur during this process, but it will not affect the normal use of the heat exchanger. If you mind this, please consider carefully before buying
Easy Heat Recovery
Pelopy 6 Pack Stovepipe Heat Reclaimer 6 Inchstovepipe Radiator Rings Stove Pipe Heats Exchanger Fuel Efficient Collars Capture Heat from Stove Pipe
Pelopy
- The Package Includes: you will receive 6 aluminum chimney tube heat collectors to recover the waste heat in the chimney
- Suitable size: Stovepipe heat Reclaimer is suitable for a circumference of about 19 inches (suitable for a chimney with a diameter of 6 inches) and a width of 1 1/2 inch
- Made of Quality Material: stovepipe radiator rings is made of high thermal conductivity aluminum which can get more usable heat from the chimney
- Simple Installation: stovepipe heat reclaimer is designed with snap around which can be quickly and easily connected to the chimney pipe without dismantling the pipe without screws or tools
- Recover Waste Heat: stovepipe radiator rings exchange heat from the chimney to the room and recover waste heat from your chimney
Maximum Thermal Efficiency
BestEquip Heat Exchanger 3″x7.5″ 60 Plates Brazed Plate Heat Exchanger 316L 1/2″ BSP FPT Heat Exchanger EATB12 Beer Wort Chiller for Hydronic Heating
BestEquip
- High Thermal Efficiency: Turbulent-flow design moves the two media in opposite directions and creates strong turbulences for superior heat transfer rates and efficiency. Our heat exchanger series have been certificated by CE.
- Energy Optimized: This heat exchanger stainless can heat water to the preset temperature, which is super energy-saving with no electricity consumption and no oxygen consumption.
- Robust Construction: This 60 plate heat exchanger features 316L stainless steel sheets, which are brazed together at the edges and the matrix of contact points for a reliable and rugged part to form a durable, integral piece that can withstand high pressure and temperature. Four thickened BSP FPT ports for your easier installation.
- Compact Design: Corrugated plate design of this plate chiller wort allows for substantially smaller build and footprint at an equivalent or better performance compared to other heat transfer devices – resulting in significant space savings.
- Highly Versatile: This heat exchanger beer offers the highest level of thermal efficiency and durability in a compact &lightweight unit, ideal for industrial oil cooling, refrigerant evaporators, and condensers, residential and light commercial HVAC hydronic systems.
Versatile Heating Solution
Water to Air Heat Exchanger 16×18 with 1″ Copper Ports for Outdoor Wood Furnaces, Residential Heating and Cooling, and Forced Air Heating (HTL16x18)
AB
- 【Excepetional Performance】The heat exchanger has a capacity of 100,000 Btu. Depending on the application, the heat exchanger can produce up to 360kBtu of heat per hour, with 12 aluminum fins and 3 rows of 3/8″ seamless copper tubes per inch. The combination of wavy fins and seamless copper tubes, which enhanced contact areas both inside and outside the tubes, increasing in heat transfer performance, maximizing heating or cooling efficiency.
- 【Premium Material】Our heat exchangers are supported by steel shells, and the edges and contact points are base brazed, which is very solid and not easily affected by high pressure and temperature. Copper and aluminum are highly conductive materials, which make the heat exchanger have good performance and economy in heat transfer and cooling.The fins are coated with epoxy resin, which improves the hardness and wear performance of the fins，prolonging the service life of the fins.
- 【Energy-efficient and Affordable】Our water-air heat exchangers allow for water-air heat exchange movement through a variety of sources – boilers, solar panels, etc.This means you can utilize a variety of renewable energy sources and save energy.
- 【Convenient Installation】This new type of heat exchanger is easy to install, with a variety of options available. It can be directly connected to the pipeline and fixed with clamps; it also can be directly welded to the pipeline and adapters or be connected with rivets to meet meet a multitude of installation needs.
- 【Multiple Applications】Water-to-air heat exchanger offers a high level of thermal efficiency and durability in a compact & lightweight unit, which maximizes space saving, suitable for Outdoor Wood Furnaces, Residential and Commercial Heating and Cooling, Hybrid Systems, Air Conditioning, Inverter Cooling, and so on.
Compact Energy Saver
AB Water to Air Heat Exchanger 14×16 with 1″ Copper Ports for Outdoor Wood Furnaces, Residential Heating and Cooling and Forced Air Heating
AB
- 【Excepetional Performance】The heat exchanger has a capacity of 75,000 Btu. Depending on the application, the heat exchanger can produce up to 360kBtu of heat per hour, with 12 aluminum fins and 3 rows of 3/8″ seamless copper tubes per inch. The combination of wavy fins and seamless copper tubes, which enhanced contact areas both inside and outside the tubes, increasing in heat transfer performance, maximizing heating or cooling efficiency.
- 【Premium Material】Our heat exchangers are supported by steel shells, and the edges and contact points are base brazed, which is very solid and not easily affected by high pressure and temperature. Copper and aluminum are highly conductive materials, which make the heat exchanger have good performance and economy in heat transfer and cooling.The fins are coated with epoxy resin, which improves the hardness and wear performance of the fins，prolonging the service life of the fins.
- 【Energy-efficient and Affordable】Our water-air heat exchangers allow for water-air heat exchange movement through a variety of sources – boilers, solar panels, etc.This means you can utilize a variety of renewable energy sources and save energy.
- 【Convenient Installation】This new type of heat exchanger is easy to install, with a variety of options available. It can be directly connected to the pipeline and fixed with clamps; it also can be directly welded to the pipeline and adapters or be connected with rivets to meet meet a multitude of installation needs.
- 【Multiple Applications】Water-to-air heat exchanger offers a high level of thermal efficiency and durability in a compact & lightweight unit, which maximizes space saving, suitable for Outdoor Wood Furnaces, Residential and Commercial Heating and Cooling, Hybrid Systems, Air Conditioning, Inverter Cooling, and so on.
Premium Stainless Build
Brazed Plate Heat Exchanger Stainless Steel SS316L 3″x8″ 26 Plates 3/4″ MPT 210,000 BTU/hr Hydronic Heating
AB
- 【Premium Quality】Our plate heat exchanger is made of high quality 316L stainless steel which are brazed together by 99.9% copper at the edges for a reliable and rugged part to form a durable, integral piece that can resist leakage and withstand high pressure and temperature.
- 【Convenient For Use And Energy Saving】Smooth Thread makes a easy, quick, flexible hookup. Highly conductive and super-thin stainless steel plates make good performance and economy for heating transfer and cooling without electricity consumption and oxygen consumption.
- 【Product Parameter】180,000 – 210,000 BTU CAPACITY: Depending on the application, this product can produce 180kBtu to 210kBtu per hour. 26 PLATES; 3″x8″, 3/4″ MPT: 26 brazed plates work to efficiently heat water for your application.
- 【Multiple Applications】AB water heat exchanger offers the highest level of thermal efficiency and durability in a compact & lightweight unit, perfect for domestic water heating, Floor Heating, Snow Melting, District or Zone Heating Systems, Outdoor Wood Furnaces, Hydraulic and Lube Oil Coolers, Radiator Heating, Hydronic Heating, Solar Heating, Wood Boiler.
- 【100% Satisfaction Service】 Our heat exchanger comes with a 1-year warranty to cover manufacturer defects. And we provide 100% satisfaction service as well as best premium quality product, if you have any problem about the product, please contact us freely.
Maximum Heat Output
AB Water to Air Heat Exchanger 20×20 with 1″ Copper Ports for Outdoor Wood Furnaces, Residential Heating and Cooling, and Forced Air Heating (20×20)
AB
- 【Energy-efficient and Affordable】Our water-air heat exchangers allow for water-air heat exchange movement through a variety of sources – boilers, solar panels, etc.This means you can utilize a variety of renewable energy sources and save energy.
- 【Excepetional Performance】The heat exchanger has a capacity of 160,000 Btu. Depending on the application, the heat exchanger can produce up to 360kBtu of heat per hour, with 12 aluminum fins and 3 rows of 3/8″ seamless copper tubes per inch. The combination of wavy fins and seamless copper tubes, which enhanced contact areas both inside and outside the tubes, results in a 10-20 percent increase in heat transfer performance, maximizing heating or cooling efficiency.
- 【Premium Material】Our heat exchangers are supported by steel shells, and the edges and contact points are base brazed, which is very solid and not easily affected by high pressure and temperature. Copper and aluminum are highly conductive materials, which make the heat exchanger have good performance and economy in heat transfer and cooling.The fins are coated with epoxy resin, which improves the hardness and wear performance of the fins，prolonging the service life of the fins.
- 【Convenient Installation】This new type of heat exchanger is easy to install, with a variety of options available. It can be directly connected to the pipeline and fixed with clamps; it also can be directly welded to the pipeline and adapters or be connected with rivets to meet meet a multitude of installation needs.
- 【Multiple Applications】Water-to-air heat exchanger offers a high level of thermal efficiency and durability in a compact & lightweight unit, which maximizes space saving, suitable for Outdoor Wood Furnaces, Residential and Commercial Heating and Cooling, Hybrid Systems, Air Conditioning, Inverter Cooling, and so on.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Buying Guide
FAQs
What is a fireplace heat exchanger and how does it work?
A fireplace heat exchanger captures heat from your fireplace and circulates it into your home, improving efficiency. It uses a system of tubes or fans to transfer warm air, reducing heat loss through the chimney. This makes your fireplace more effective at warming your living space.
What features should I look for in a fireplace heat exchanger?
Look for adjustable fan speeds, thermostat controls, and quiet operation for convenience. A durable, heat-resistant material like stainless steel ensures longevity. Some models also include remote controls or automatic shut-off for added safety.
How do different types of fireplace heat exchangers compare?
Tubular heat exchangers are ideal for wood-burning fireplaces, while grate-style ones work better with gas or electric units. Fan-assisted models distribute heat faster but may be noisier than passive designs. Choose based on your fireplace type and noise tolerance.
Are fireplace heat exchangers worth the investment?
Yes, they can significantly reduce heating costs by maximizing heat output from your fireplace. They also improve energy efficiency, making your home more eco-friendly. Over time, the savings on heating bills can offset the initial cost.
How do I install a fireplace heat exchanger?
Installation varies by model but typically involves placing the exchanger inside or around the fireplace. Some units require professional installation, while others are DIY-friendly. Always follow the manufacturer’s instructions for safety and optimal performance.
Can a fireplace heat exchanger work with any fireplace?
Most heat exchangers are compatible with wood, gas, or electric fireplaces, but check the product specifications. Some models are designed for specific fireplace types or sizes. Ensure your fireplace has adequate ventilation for proper operation.
How do I maintain a fireplace heat exchanger?
Regularly clean the exchanger to remove soot and debris, especially for wood-burning fireplaces. Check the fan and filters for dust buildup to maintain efficiency. Follow the manufacturer’s maintenance schedule to extend the unit’s lifespan.
What safety features should I consider?
Look for models with overheat protection and automatic shut-off to prevent accidents. Heat-resistant handles and cool-touch exteriors reduce burn risks. Ensure the exchanger is certified by safety organizations like UL or CSA.