Top Gas Fired Unit:

Our top pick is from Carrier Corporation which is a part of UNITED TECHNOLOGIES. The BS1/2 boilers are a part of their COMFORT 80 line and are cast iron units. They have durable titanium composite burners and are backed by a very good guarantee.

World's Best Oil Fired Unit:

Our selection for the best oil-fired steam boiler is the Burnham brand from US Boiler. The MEGASTEAM boilers are three pass units that offer an optional domestic hot water coil. They are backed by a very good warranty. 

Other Steam Boiler Ratings

We continue our steam boiler ratings with an alphabetical list of manufacturers and reviews of their products.

BRAND----------WEBSITE--------GAS----OIL

BRYANT--------bryant.com--------4*----NA

The BS2 units are cast iron atmospheric boilers with an automatic vent damper. They have a standing pilot which is not very energy efficient but they offer optional electronic ignition. They have durable stainless steel/titanium burners and are backed by a good warranty. The brand is a part of UNITED TECHNOLOGIES CORP and is sold through authorized dealers.

BURNHAM-----usboiler.net--------3*----5*

The INDEPENDENCE line offers gas fired units in ten sizes to closely match the needs of your home. They are cast iron and have durable stainless steel burners but only an average guarantee. The MEGASTEAM boilers are oil-fired three pass units that offer an optional domestic hot water coil. They are backed by a very good warranty. 

CARRIER-------carrier.com---------5*----NA

The BS1/2 boilers are a part of their COMFORT 80 line and are cast iron units. They have durable titanium composite burners and are backed by a very good guarantee.

COLUMBIA-columbiaheating.com--1*--3*

The CEG E models are gas-fired low profile units that are available in seven sizes. They are atmospheric boilers with an automatic vent damper for energy savings. They have durable stainless steel burners but the warranty is not very good on the units. The CSFE IV models are oil-fired cast iron units.

DUNKIRK--------dunkirk.com------2*----3*

This brand is a part of ECR INTERNATIONAL. The PSB gas-fired boilers are cast iron and have a automatic vent damper and titanium burners. The ESC IV are oil-fired and have a swing out burner door for easier cleaning/maintenance. They are available in four sizes and offer an optional domestic hot water coil but are only backed with an average guarantee.

LENNOX--------lennox.com--------2*----NA

The GSB8-E boilers are standard cast iron units with durable titanium burners. The guarantee on the units is only average while the price is not.

NEW YORKER-newyorkerboiler.com-1*--3*

The CGS-C units are basic cast iron boilers that are available in six sizes to match the heating needs of the home. The CL SERIES units are oil-fired and offer a dhw heating option. They have a swing out burner door for easier maintenance and are available in nine sizes. The warranty on the brand is not very good.

PEERLESS--peerlessboilers.com--1*----3*

This brand is from PB HEAT LLC. The SERIES 63 units are gas-fired and are available in seven sizes but the guarantee is not very good. The WBV/WV models are oil-fired and have a swing out door for cleaning but only an average warranty.

SLANT FIN--------slantfin.com----1*----3*

The GALAXY GXHA is an atmospheric boiler with an automatic vent damper but the guarantee on the units is not very good. The INTREPID STEAM boilers are oil fired with all of the standard features and an optional dhw coil.

UTICA--------uticaboilers.com-----1*----3*

This brand is from ECR INTERNATIONAL. The PEG E SERIES offers cast iron gas-fired units with durable stainless steel burners. The SFE IV models are oil-fired and are available in four sizes. The warranty on the brand is not very good.

WEIL-MCLAIN   weil-mclain.com  NA----3*

The SGO boilers have a swing away burner door for easier cleaning and maintenance. They are available in seven sizes to match the size of the steam system and offer a dhw option. They only have an average guarantee on their boilers.

WESTCAST-westcastboilers.com--1*----3*

This brand is a part of MESTEK COMPANY. The GSX units are available in seven sizes and have an automatic vent damper but their warranty is not very good. The SERIES 8HE are oil-fired and have a swing out burner door.

WILLIAMSON  williamson-thermoflo.com  --1*----4*

The GSA boilers are gas-fired and have durable stainless steel burners but a guarantee that is not very good. The OSB boilers are oil-fired and feature a swing away burner door and an optional dhw coil. they are backed by a good warranty.