Kerr brand products include a complete range of high-efficiency, Energy Star® qualified furnaces and boilers.
Click below to find out about our hyper-efficient Paradigm furnace that uses state-of-the-art condensing technology to maximize savings and minimize greenhouse gas emissions. Our oil-fired multi-positional series, including the Compact-multi and the Summit-multi, pack a lot of power for their compact size, ideal for small or awkward spaces. Kerr’s oil-fired lowboy series, which includes the Contour and the Eclipse, combines high-efficiency and small size; perfect for retrofits, new installations and smaller energy-efficient homes. Finally, Kerr also manufactures high-efficiency oil-fired hot water boilers that help save energy and money and cut greenhouse gas emissions.
Granby Industries stands behind every Kerr product and carries one of the best warranties in the business.

Residential tanks
Commercial tanks
Forced-air furnaces
Accessories
Boilers