With our wood boiler ratings, you can compare boiler models side by side using our Head To Head tool.
You can compare 38 models from 14 brands in 12 categories such as warranty, efficiency, construction, availability, & where they are made.
You can also read the individual reviews of each brand below. >
Our simple rating system gives each brand a color code and a star rating. If the card is green, then, that is one of the top picks from HvacRepairGuy. If the card is yellow, then, that would be a budget pick from HvacRepairgGuy. If the card is red, then, the brand is not recommended by HvacRepairGuy. With our wood boiler reviews, you can cut through the sales hype and find value. It truly is like you were taking a repairman shopping with you!
The Wood Gun Super E210 gasification boilers feature stainless steel construction for durability. They are made in the USA and can burn wood by-products as well as logs. They have a domestic hot water coil and a decent warranty. The units are available in both indoor and outdoor models and they can be purchased directly through the manufacturer but it is not very easy compared to other brands.
This brand is made in Canada and offers compact units that are designed to be added on to an existing boiler system. They offer two sizes of units and feature a standard domestic hot water coil. The units are sold through a very limited dealer network and the guarantee on the units is not very good when compared to other brands.
This brand is manufactured in Poland by Hamech and imported to the USA and Canada by New Horizon Corp. The NextGen models are available in five sizes to match the size of the home and feature gasification technology for clean efficient burning. The units should have a backup power supply when installed to prevent overheating. The warranty (especially on electrical parts) is not as good as some of the other brands.
The Classic Edge HDX models are available in three sizes and are EPA certified for clean burning. The units are made in the USA and they are backed by a good warranty but they are only sold through a limited dealer network. The boilers have a firebox that is made of durable titanium enhanced stainless steel and they feature their FireStar controller that is Wi-Fi enabled to allow you to monitor and control the boiler through a smartphone app. The controller automatically adjusts the primary and secondary combustion air for maximum burn efficiency.
This brand is made in the USA by GreenTec Manufacturing Inc. and is sold through a dealer network. The Pristine series offers three sizes of EPA certified clean burning boilers that use titanium enhanced stainless steel construction for durability. They include an easy heat exchanger cleaning system and are installed outdoors to keep the mess outside of the home. The units have a triple pass heat exchanger and a combustion efficiency of 99% but their guarantee is not as good as some of the other brands.
This brand is made in the USA and is sold through a dealer network but can be ordered directly from factory through their website. The units are available in several sizes to meet the needs of the home and include a three speed water pump. The brand is backed by a good guarantee.
This brand is made in Austria and is available in the USA through Tarm Biomass. The S3 Turbo models feature a durable silicon carbide combustion chamber and they have electronic modulating controls for efficient operation. They have a variable speed draft inducer fan and a built-in heat exchanger cleaning system to keep the boiler running efficiently but the guarantee on the units is not very good when compared to other brands.
This brand is from Steeltech Inc and is made in Canada. The G Series units can be installed either outdoors or in a shop and use wood gasification technology for clean burning. All of the units are made of durable titanium enhanced stainless steel and are backed by a very good warranty but they are sold through a limited dealer network. They have a built-in easy heat exchanger cleaning system to keep the boiler burning efficiently and a recirculation pump.
The Skye Series V boilers are EPA phase 2 qualified clean burning units. They feature a stainless steel tank and stack for durability. They have digital automatic controls and the outdoor lamp flashes when there is a problem with the boiler. The warranty on the units is not very good when compared to other brands and they are only sold through a very limited dealer network.
This brand is manufactured in Canada and is available in North America through a limited dealer network but their warranty is not very good when compared to other brands. The G-Class models feature a durable and efficient ECM draft inducer motor and an 86% efficiency rating. Their Easy Sweep System allows for very easy cleaning of the heat exchanger to keep the boiler operating at peak efficiency while the Connect-EZ system allows for quick and easy connection of the water system to the unit. The G2 model is not EPA certified for installation in the USA but the G2 Plus and G3 models are.
This brand is manufactured in Canada by Piney Manufacturing and is available in North America. The Ultimizer units have a refractory brick lining for more efficient, cleaner combustion but they are not EPA certified. The units are sold through a limited dealer network but their warranty is not very good when compared to other brands.
These units are available in three sizes and the combustion chamber is lined with firebrick for cleaner burning. They use thermostat controlled forced draft but are mostly basic units. The boilers are made in the USA and can be purchased directly through their website but their guarantee is not very good when compared to other brands.
This brand is made in the USA by National Stove Works and the boilers are designed as an add-on to an existing oil or gas fired hydronic heating system. They use gasification technology for clean burning and offer a domestic hot water coil as an option but the guarantee on the units is not very good when compared to other brands. The boilers can be purchased directly from the manufacturer through their website.
The CleanFire models are available in three sizes and are EPA certified for clean burning. The units are made in the USA and they are backed by a good warranty but they are only sold through a limited dealer network. The boilers have a firebox that is made of durable titanium enhanced stainless steel and they feature their FireStar controller that is Wi-Fi enabled to allow you to monitor and control the boiler through a smartphone app. The controller automatically adjusts the primary and secondary combustion air for maximum burn efficiency.
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