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GEOTHERMAL INFORMATION.

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​How a Geothermal System Works

​Throughout the year, Minnesota temperatures fluctuate with the changing seasons. However, about four to six feet below the Earth's surface, Minnesota temperatures remain relatively moderate and consistent all year (about 50 degrees F, in MN). This is because the Earth absorbs 47% of all heat and energy from the sun that reaches the surface. A geothermal system circulates a water-based fluid through a buried loop system to take advantage of these consistent temperatures.

​Geothermal Heat Cycle

​During the heating process, fluid in the loop absorbs heat from the earth. It is transferred to the unit located in the home. The geothermal system distributes the warm, comfortable air by either a conventional duct system or radiant heat system
Graph showcasing geothermal energy and system

​Geothermal Cooling Cycle

​For cooling, the geothermal system process is simply reversed. The warmer temperatures in your home are removed and transferred to the loop fluid. The heat in the fluid is deposited into the ground and the fluid is cooled.
geothermal cooling cycle

​How a Geothermal System Compares

Bar graph showing how does geothermal heating work and save money over time
Based on 3,500 square foot home. 76,600 BTU Heat Loss. 40,000 BTU Heat Gain. 4 Persons in household for domestic hot water.
Fuel costs used are $0.042/kwh heating. $.082/kwh cooling. $1.10/therm for natural gas, $1.70/gallon for LP gas, and
16 SEER efficiency for air conditioner.
Actual savings may vary. Massmann Geothermal can provide you with a free and detailed analysis.

Annual Heating, Cooling, and Hot Water Costs for Geothermal System = $843.00 
Annual Heating, Cooling, and Hot Water costs for Natural Gas = $2,355.00 
Annual Heating, Cooling, and Hot Water costs for LP Gas = $3,787.00

​Environmental Impact of Geothermal

Geothermal is recognized by the U.S. Environmental Protection Agency as the most environmentally safe, cost-effective heating and cooling system on the market.  The installation of one geothermal system is the environmental equivalent to removing two cars from the street.

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Serving Twin Cities, MN and Surrounding Areas
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  • Home
  • About
    • Benefits of Geothermal
    • FAQ
    • Need To Know
    • Industry News
    • Testimonials
    • What To Ask A Contractor
  • Products
    • Germicidal Lights
    • Navigator Multi Positional Two Stage Vertical Packaged Unit
    • Multi – Positional Two - Stage Vertical Packaged Unit
    • Multi-Positional Hydronic Two-Stage Vertical Combination Packaged Unit
    • Two-Stage Vertical Packaged Unit
    • Two-Stage Indoor Split Unit
    • Two-Stage Outdoor Split Unit
    • Single Stage Water-to-Water Unit
    • Compass Series Two Stage Water to Water
  • Service
    • Geothermal Installations >
      • Residential
      • LEAD House
      • Radiant Floors
      • Commercial
      • Indoor Pools & Spas
    • Electrical Services >
      • Battery Back Up Systems
      • Hybrid Inverters
      • Solar Integration
      • Solar Design and Installation
      • Electrical Panel Upgrades
      • Adding Electrical Service
      • Car Chargers
      • Backup Generators
      • General Household Electrical Services
    • Resources
    • Savings Calculator
  • Finance
  • Contact
    • 24/7 Emergency Service
    • Employment
    • Contact