Biomass Furnace Ratings, A Repairman Reviews The Brands...

With our biomass furnace ratings, you can avoid all of the sales hype and find value. We have researched the manufacturers' data and combined that with our heating system service experience to provide our unique system of ratings. It truly is like taking a repairman with you while you shop! These reviews are for heating units that burn renewable fuels and transfer that heat to a duct system for distribution throughout the home. We have given you our top pick followed by a complete list of manufacturers and reviews of their products.

 World's Best Biomass Furnace...

Our top pick for biomass furnaces is the NCPF110 from Napoleon. The units are made in Canada and are sold throughout North America. It is a multi-fuel furnace with digital controls and a three stage control for optimum performance. It has a large 10 cubic foot hopper and is backed by a very good warranty.

Other Biomass Furnace Ratings

We continue our biomass furnace ratings with an alphabetical list of manufacturers and reviews of their products.



This brand is from LMF MANUFACTURING. It is available in two models BM 620-9 which is a 100,000 btu corn furnace and an AH 170 which is a 170,000 btu corn furnace. The units have a modulating control called the COAL-TROL which some are calling the CORN-TROL. This control adjusts the pellet and air flows to very closely match the heating setpoint. This can save fuel as well as improving the home's air quality by having longer heat cycles. They are factory wired for air conditioning. The hopper for storing the corn is not integrated and the warranty is not as good as some of the other brands.*

This brand is a part of NATIONAL STEELCRAFTERS. The SP8500 can burn wood pellets and corn as well as other fuels and features twin blowers and a large (105,000 btu/hr) heat output. It has digital controls but the warranty is not as good as some other brands.


The GA series consists of five sizes of boilers to match the heating requirements of the home. They have a durable stainless steel heat exchanger and electronic controls. They can burn several types of grains as well as wood pellets but the guarantee on the units is not very good.<1*

The GA SERIES offers furnaces that can burn wood pellets or grains. They feature a durable stainless steel combustion chamber and programmable electronic controls. The guarantee on the heat exchanger is good but for other parts the warranty is not.