Boiler Ratings part 16, A Repairman Reviews The Brands...

Boiler ratings part 16 continues our expert and unbiased reviews with a look at the Viadrus, Viessmann, and Weil-Mclain brands.

BRAND--------BASIC-PREMIUM-ULTIMATE

VIADRUS-----------1*--------1*-------<1* 

This brand is available in Europe as well as the USA but only through authorized dealers. The CLAUDIUS models have continuous output modulation and up to three independent heating zones. The G36 units are atmospheric burning units with a cast iron body. Both types have "equithermic adjusting" where the boiler temperature is adjusted based on the outdoor temperature. The K4 boilers are high efficiency wall-hung units with durable stainless steel heat exchangers but the guarantee is not very good when compared to other brands.

VIESSMANN---------1*-------2*------<1* 

The VITODENS models are high efficiency wall mounted condensing boilers with an efficiency of up to 95%. They have a three speed pump and modulating control for ultimate energy savings. The burner and heat exchanger are made of stainless steel for durability but the warranty is not as good as many brands in the category. The brand is available through a limited dealer network in the USA.

WEIL-MCLAIN--------2*-------3*-------2*  

This brand offers a wide selection of units to match your needs. The EVERGREEN gas boilers (shown here) are condensing/modulating units that can be floor standing or wall-mounted. They are available in three sizes and feature a durable stainless steel heat exchanger but its warranty is not very good when compared to other brands.

The ULTRA SERIES 3 units are condensing modulating units with a good warranty. The GV90+ series of units are condensing boilers that are available in four sizes to match the requirements of the home. They have built in dual circulators and can be vented with pvc pipe but the warranty is not as good as many other brands. They receive a 1* rating in the high efficiency category. The WM97+ models are high efficiency wall hung models with durable stainless steel heat exchangers. The CGi units are direct vent sealed combustion models that are available in eight sizes but the warranty is not as good as many other brands. The CGa units are basic atmospheric models. They have stainless steel burners but the warranty on the units is not as good as many other brands. The ECO models are available in three sizes and have an efficiency of 95%.

Other Gas Fired Boiler Ratings

You can continue to browse our alphabetical list of the brands but, if you are looking for a specific brand, you can enter its name in the search box at the top of the page.

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