This brand is from BOSCH THERMOTECHNOLOGY CORP. The LOGANO G334X is an atmospheric model with an 86% fuel efficiency and durable stainless steel burner but the warranty is not as good as many brands. The LOGANO GA124 model uses sealed combustion and features their aquasmart control but their guarantee is not as good as some of the other brands in the premium category. The GC144 models are designed for replacing old boilers and are available in three sizes.
The LOGAMAX PLUS GB142 units are condensing and have efficiencies up to 95%. They are wall hung units with modulating controls and they are available in four sizes. They offer flexible venting as they can be vented in an existing chimney or direct vented. The warranty on the high efficiency boilers is very good but they are only available through authorized Bosch contractors in the USA.
This brand is from U.S. BOILER COMPANY and is available through dealers in the USA. The SERIES 2 models are basic low cost units but the warranty on parts (other than the heat exchanger) is not very good. The ESC models are premium boilers that can be direct or power vented. They feature the IQ Control system which is an advanced boiler control with a touchscreen interface. The ALPINE units are high efficiency units that are available in seven sizes to match the size of your home. They have a durable stainless steel heat exchanger, advanced control system and are available in floor standing or wall mount models. The warranty (especially on the heat exchanger) is not as good as many brands.
These boilers are made in Canada and is available internationally through distributors. The DYNAPAC SERIES combine a high efficiency boiler with a hydronic air handler to provide domestic hot water, heating and optional cooling. The DYNAMAX SERIES offers high efficiency boilers in either wall or floor mount models. They have modulating control and a durable stainless steel heat exchanger. The MICO FLAME SERIES offers sealed combustion boilers that have a durable ceramic burner. The manufacturer's website is not much help.
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