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Geothermal heating and cooling information with drawings and pictures.
We provide online geothermal heating and cooling information with drawings and pictures. Here's how to heat and cool your home with solar energy stored in water or in the earth.
Geothermal heating and cooling systems use the natural constant ambient temperature of the earth to heat in the winter and cool in the summer. This is accomplished with a compressor or heat pump unit, the liquid heat exchanger medium, and the air delivery system.
Quite simply, geothermal systems in heating take heat from the earth, transfer that heat to a refrigerant, then distribute the heat into the structure with a forced-air or hydronic system.
In air conditioning, geothermal systems take heat from the structure, transfer the heat to the refrigerant, then transfer the heat back to the water or loop fluid. This works the same as a standard air conditioner, except a geothermal system uses water or loop fluid at a constant temperature (average 50 degrees) instead of varying outdoor temperature.
Geothermal heating is one of the most efficient ways to heat a building.
If you have sufficient area, the initial cost can be minimized by using a horizontal loop system. If you have limited space, then the cost rises as you need to drill wells deep enough into the earth to take advantage of the earth's temperature. It also has ongoing costs for the electricity to power the fluid circulation pump and the heat pump compressor. Otherwise, geothermal heating is much more efficient than air heat pumps and other supplemental electric heat used in warmer climates.
Geothermal heating and cooling has the added benefit that it requires no burning of fossil fuels at the heating site, as opposed to systems that use natural gas or heating oil fired furnaces. But in order to achieve the most comfort, geothermal heat pumps can be paired with a natural gas heater to dramatically reduce, but not eliminate, the amount of fuel needed to heat a building.
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