U.S. Boiler Company, manufacturer of quality hydronic-heating products, has introduced more new, high efficiency products over the last several years than any other company at any time in the history of hydronic heating! From new ENERGY STAR certified, gas-fired residential boilers… to high efficiency oil-fired boilers including advanced design, three-pass, cast iron boilers… along with the industry’s only, three-pass, oil-fired, steam boiler… and the only atmospheric gas boiler made in America, the ES2, boasting 85% AFUE. Together, the expansive lineup of heating products from U.S. Boiler Company boasts the highest average efficiency, exceeding 85%… with maximum efficiencies over 95%.

And it doesn’t stop there! U.S. Boiler Company now offers the broadest line of condensing boilers available from any manufacturer anywhere. In addition, U.S. Boiler Company has developed and introduced exclusive user-friendly boiler control systems for many of its products. The U.S. Boiler IQ and U.S. Boiler Sage2.1 Control Systems offer unparalleled features and benefits that are unmatched in the boiler industry.