Skilled technicians make the difference at D. R. Kohlman
By Mike Mathes
This is a geothermal source water flow station designed and built by D. R. Kohlman.
Source water re-heat boilers are installed by D. R. Kohlman.

When it comes to installing heating, ventilation and air conditioning systems, nothing beats experience.

And, no one has a more experienced, qualified staff for those solutions than the D. R. Kohlman Company based out of St. Cloud.

D. R. Kohlman is a fourth-generation heating, ventilation and air conditioning company serving the quad county area for more than 100 years.

Company President Doug Kohlman, with 45 years of experience, said the firm takes great pride in its professional service, featuring journeymen sheet metal workers, pipe fitters and service technicians. “We are fortunate to have a long line of experienced personnel who have seen just about every application that one can come across and then some,” he said.

“Our lead sheet metal person has been with us for 42 years.”

“If you want a quality installation by highly skilled technicians and a good value, then D. R. Kohlman is the company you are looking for,” he added.

Air quality and comfort

Kohlman emphasized that his company serves as a one-stop contractor for all indoor air quality and comfort services. D. R. Kohlman also provides duct cleaning services, along with air filtration, purification, humidification and de-humidification. “We handle anything to do with making your home or business more comfortable,” he said.

Trane is among the brands offered through D. R. Kohlman for heating and air conditioning solutions. Viessmann high-efficiency boilers are also a mainstay for systems installed by the company.

D. R. Kohlman also offers Mitsubishi cooling and heating systems, with an emphasis on heat pumps. Renewaire energy recovery ventilators are another popular brand.

Honeywell controls are installed with all of the company’s projects, for new construction and remodeling alike.

Unique Fox Valley project

Kohlman said his company works on all sorts of heating and cooling applications, and some are quite unique.

Although it has been active in geothermal systems for the past 30 years, D. R. Kohlman recently completed a design-build geothermal project that takes its heat from the Fox River!

Working with C. D. Smith, the general contractor, D. R. Kohlman was asked to create a plan for a geothermal heating and cooling system for a 50,000 square

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