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Forced-air furnaces

Forced Air Furnaces

GRANBY INDUSTRIES manufactures and distributes a full range of oil-fired, wood-fired and electric residential furnaces that respond to today’s energy and environmental challenges with higher efficiency products that produce less greenhouse gases and save money.

Whether you are building a new home or replacing an existing furnace, our products are designed with the latest technology to meet your heating requirements using minimum space and producing maximum savings. Most of our units can also be integrated with other heating/cooling appliances such as heat pumps and air conditioners to complete your home comfort needs.

News & Events

23 June 2016

Mike VanDenBoom Takes the Wheel at Signature Truck Systems

Mike VanDenBoom has taken the wheel at Signature Truck Systems as its new president, and will drive the company into its global market future. Read full article here.

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1 April 2015

Signature Truck Systems & Lakeshore Metal Works Join the Pro-Par / Granby Industries Family

Clio Michigan, April 1, 2015 – It is official today: Signature Truck Systems Inc. and Lakeshore Metal Works (Signature) have joined forces with Pro-Par and Granby Industries, subsidiaries held by...