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Case Studies
Geothermal Two Harbors, MN
Closed loop non-pressurized system installed by a Thermterra geothermal specialist with slinky coils buried in 8' deep trenches with each trench approx. 10' apart. House system consists of a 3 ton water-air and a 2 ton water-water ground source heat pump for a combination of forced air and infloor radiant heat.
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Existing Resort Space Conditioning System
This is an existing resort that had a Thermterra geothermal system designed for space heating, pool heating and room dehumidifying. The existing system was providing poor dehumidification and had high heating costs. The owners requested a design that would dehumidify the room properly and lower the energy bills.
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Treatment Plant Waste Heat Recovery
This project is in Lutsen, MN. A geothermal heat pump system was designed by Thermterra to extract the waste heat from the treatment plant and discharge it to the outdoor pool and spa along with the snowmelt system and provide the building heat.
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Propane vs Geothermal Price Gallery
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