ventional, split-system and miniduct air conditioners; and air-to-air exchangers, gas fireplaces, humidifiers, duct cleaning, and ultraviolet light air purifiers. The business also does commercial refrigeration installations and repairs, such as to walk-in coolers and other needs for restaurants, gas stations, taverns and other applications.

Specialists in geothermal

But as its name implies, geothermal continues to be important to Sean, Dan and their employees. They said they see the benefits to their customers and the environment, and they are good at what they do.

Dan was just elected to the Board of Directors for the Wisconsin Geothermal Association at the annual meeting held at the Osthoff Resort in Elkhart Lake. He also is a member of the WaterFurnace Dealer Advisory Council (one of 10 members throughout the U. S.) which makes recommendations for product improvement and development.

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ACG is working with the University of Wisconsin-Madison on a prototype geothermal installation in a home in Grand Marsh, with the goal of getting much higher efficiencies from geothermal systems. Dan also is a consultant for the UW analyzing problem geothermal systems that have been previously installed and recommending the appropriate solution to tie it together with a similar earth loop being used in the Grand Marsh project.

In addition to industry accreditations and certifications which it has, ACG also has an “A” rating with the Better Business Bureau of Wisconsin.

“We specialize in it,” Dan said of ACG’s geothermal work. “We’ve been doing it for close to 10 years... We’re the geothermal destination. If you want a system that works, come to us.”

Sean added, “We have it in all our own homes, our family’s homes.”

That includes his grandmother, who remains comfortable and doesn’t even notice the furnace is running.