The BIOHEAT units are automatic pellet boilers with a large internal hopper to minimize the need for filling it with fuel. They are available in two sizes and feature automatic electronic controls as well as auto cleaning of the heat exchanger and burn pot. The units are only available in Europe through a limited dealer network and their website does not have a stated warranty policy.
These boilers are made in Germany and are available in five sizes to match the requirements of your home. They feature modulating, weather-compensated controls as well as being programmable for added energy savings. Their website is not much help and does not have a stated warranty policy.
This brand is made in Poland. The KSP DUO models (shown here) can burn five different types of fuel which is convenient and can save you money by using the cheapest fuel. The KSP PELET model burns wood pellets and has a rather large external hopper which takes up more space. All of the boilers have electronic controls and can control three different pumps for zones or central heating and domestic hot water production. The warranty on the heat exchanger is not very good when compared to other brands.
The COMPACT SILVATHERM has two separate heating circuits and features automatic operation. The units burn pellets and can provide domestic hot water as well as central heating. The units feature refractory ceramic combustion chambers and three step air for complete efficient combustion. The units are made in France but they are only available through their authorized installers and the warranty is not very good when compared to other brands.
The TRAEGER PB150 units can burn corn or biomass and are available in two sizes. Their website is not much help and does not have a stated warranty policy. The units can be purchased directly from their website.
We continue our biomass boiler ratings with an alphabetical list of manufacturers and reviews of their products. You can continue to browse our list but, if you are looking for a specific brand, you can enter its name in the search box at the top of the page.