Pictured above: Boilers run deep in the McCotter family heritage. Fireman George Edward McCotter (Great-Grandfather of Dan McCotter) in front of his Rock Island Railroad steam locomotive. George McCotter eventually retired from the railroad as an Engineer.

History of McCotter Energy Systems

Since 1956

McCotter Energy Systems, Inc. has been a reliable source of high-efficiency commercial HVAC and boiler room solutions for Wisconsin, Upper Michigan and northern Illinois since 1956. We are the manufacturer’s representative for leading companies including Riello Boilers, Hurst Boilers, RBI Boilers, Riello Burners, Grundfos Pumps, Oilon heat pumps, Sharc Wastewater Solutions and more.

McCotter Energy Systems began as McCotter & Sons, Inc. founded by Howard S. McCotter and his two sons Thomas & Lawrence. The company began selling coal stoking equipment and has evolved with the industry now providing the most comprehensive line of premium HVAC and commercial boiler room systems in the region.

Continued Growth

In 2006, the company name was changed to McCotter Energy Systems, Inc.

Delivering Smart Energy and Reliable Efficiency is our mission for each project. The high efficiency red boiler package is the key to delivering savings and the longest product life. McCotter Energy Systems is committed to providing the most efficient systems and comprehensive information in order to find the optimal heating solution.

We provide commercial boiler room equipment and service throughout Wisconsin, the Upper Peninsula of Michigan and northern Illinois. Our service technicians are centrally located to provide quick service throughout the region.

In 2023 we continue to grow and expand.

We are leading the industry with geothermal solutions that provide long term sustainability. We look forward to new learning and the opportunity to work with new customers.

Smart Energy Lab

The facility is home to a complete training facility with operating boilers. The Smart Energy Learning lab is a one of a kind training facility where service technicians can be trained and work hands on with the units in operation.

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