AireServ

An IGSHPA certified geothermal contractor.

Albany Heating A/C & Service Inc.

Bergerson - Caswell Inc.

With the Ground Source Heat Pump industry rapidly expanding, it can be difficult to find an experienced and knowledgeable installer. With two decades of experience, and installations in over ten different states, you can count on us for a reliable system ...

Dedicated Geothermal LLC

Delaney Company LLC

Design/Build company MN Greenstar member

Energy Efficient Resources

Energy Efficient Resources (EER) is one of the largest ground source / water source heat pump representatives in the United States. EER has many years of experience providing energy efficient products to the mechanical building trades industry for heating ...

Geothermal Minnesota

Specialists since 1962 in Commercial and Residential refrigeration, heating (including radiant in-floor!) and cooling. Featuring ECONAR and GeoComfort geothermal ground source heat pumps and Carrier heating, ventilating and air conditioning systems. S ...

Geothermal Systems LLC

We are a full-service contractor providing quality service to residential, industrial, and commercial clients in Minnesota and Western Wisconsin. From initial site evaluation to installation we can provide the residential, commercial and industrial custom ...

Haley Comfort Systems Inc.

Residential, light commercial heating/air conditioning contractor. Forced air, radiant, alternative energy, geothermal systems. Complete installation in new construction or retrofit. Locations at: 37 Woodlake Drive SE in Rochester 445 West Broadway i ...

Harty Mechanical Inc.

Harty Mechanical, Inc. completes all phases of mechanical installations for new construction, design build, remodeling and service. Project types include nursing homes/assisted living, apartments, hotels, schools, geothermal recreational facilities, man ...

Kleve Mechanical

Residential geothermal contracting servicing the greater metropolitan Twin Cities area for over 46 years

Lake Air Heating & Cooling LLC

Alternative Energy Solutions www.lakeairhvac@mchsi.com New construction, design build, retrofit and remodel. Geothermal heating and cooling, radiant floor, indoor air quality.

Rochester Public Utilities

RPU believes in geothermal heating and cooling and its benefits for you and the environment. That's why we offer a geothermal heating and cooling incentive to our residential and commercial customers. For more information on these CASH REBATES*, see our r ...

Strandlund Refrigeration Heating and Cooling

Specialists since 1962 in Commercial and Residential refrigeration, heating (including radiant in-floor!) and cooling. Featuring ECONAR and GeoComfort geothermal ground source heat pumps and Carrier heating, ventilating and air conditioning systems. S ...

Summit Design-Build LLC

Design/Build residential builder MN Greenstar member

UMR Geothermal

UMR Geothermal is an HVAC contractor in the Minneapolis metropolitan area that has specialized in the installation of geothermal heating and cooling systems since 1997. We provide mechanical and loop field design and installation services for residential ...