According to FurnaceCompare.com, the most highly rated gas boiler brand between 2006 and 2015 is Bosch. Bosch is followed in order by Westinghouse, Slant-Fin, Crown, Lennox and Lochinvar. FurnaceCompare.com bases these customer satisfaction ratings on thousands of homeowner-submitted reviews.Continue Reading
FurnaceCompare.com's fuel efficiency ratings for gas boilers between 2006 and 2015 have Trianco-Heatmaker as the top brand, followed in order by Axeman-Anderson, Veissmann Manufacturing, Weil-Mclain and Laars. The site bases these ratings on a measurement known as the Annual Fuel Utilization Efficiency, and the ratings do not reflect customer satisfaction.
FurnaceCompare.com's top-rated gas boilers of 2015 are the Bosch Greenstar, the Lennox GWM-IE, the Slant-Fin Sentry, the Peerless MI and the Burnham Alpine.Learn more about Heating & Cooling