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GeoThermal; Let the earth heat your home. Commonly referred to as GeoThermal Heat Pumps, this is a wonderful way to heat and cool your home. It also doesn't matter if you have direct sunlight or no sunlight as the heat is coming from the ground.
How it works: 1. The core temperature of the earth is approximately 50 degrees at a depth of 6 feet. 2. A trench is dug that is 6 feet deep and about ranges in length depending upon the size and heat load necessary. Other methods of loop installation include vertical drilling or directional drilling. 3. HDPE pipe is then installed into the ground thus creating a loop. 4. A mixture of water and antifreeze are pumped into the loop of this tubing. (traditional antifreezes are glycol or methanol) 5. The temperature of the mixture when it's pumped into the loop is lower than the earth temperature a the 6 foot depth. 6. As the mixture passes through the loop the earths temperature warms the water mixture back to the warmer temperature to match the surrounding earth. 7. The heated mixture is then passed through the heat pump where heat is extracted out. 8. The mixture is now approximately 4-6 degrees cooler and is pumped through the loop again. This is repeated over and over again. 9. The heat that was extracted is compressed which "super heats" it. 10. This captured heat is now used to heat your home. 11. Geothermal is most efficient with forced air heat and/or radiant heat. 12. In the summer time, the pump is reversed, thus pumping a hot water mixture into the ground and the earth then cools it. This provides air conditioning in the summertime.
In some instances where trenching can not be complete, vertical drilling can be substituted. |




