The CTU series features pellet boilers with automatic modulating controls. They have a copper heat exchanger for good heat transfer and offer an optional dhw kit. Their website is not much help and does not have a stated guarantee for their products. The boilers are made and sold in Italy.
These boilers are made in Italy. The PELLEXIA units burn wood pellets and feature programmable electronic controls. The ALLBIOMIX models can burn a variety of biomass materials. They use gasification and modulating technology for clean and efficient operation. Their website is not much help and does not have a stated warranty policy.
This brand is made in Sweden and is available worldwide. The PELLMAX range offers three types of units to supplement any home's hydronic heating system. The BIOMAX units can burn logs as well as pellets. Their website is not much help and does not have a stated guarantee for their product.
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These units are available in Europe. The A251G model has a 25 kw heat output and has fully automatic operation. The unit can burn a variety of pellets/grains but their guarantee is not very good when compared to other brands.
The HERCULES DUO models are automatic modulating cast iron boilers that burn wood pellets as well as hard and soft coal. They are made in the Czech Republic and sold worldwide. Their website is not much help and does not have a stated guarantee for these products.
This brand is made and sold in Lithuania. The G series units are available in four sizes and have automatic control of the burning for improved efficiency. The warranty is not very good.
The VITOLIGNO 300-P is a fully automatic wood pellet boiler that is available in sizes from 4-48 kw. The units have durable ceramic combustion chambers and are available in Europe. The guarantee on the units is not very good when compared to other brands.
This brand offers an outdoor unit that has a large (120 kg) hopper. The unit has modulating heat output and a variable speed circulator pump for energy savings. They also have automatic burnpot cleaning so less maintenance is required. Their website does not have a stated warranty policy.
This brand is available in the U.K. and Ireland. The E-Compact line offers both indoor and outdoor boilers in two sizes. They feature seven step modulation of heating output and include a built-in pump and air vent. Their website is not much help and does not have a stated warranty policy.