Geomax - Geothermal Systems Overview


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Geothermal systems or geoexchange isn't a new concept or innovation. Geothermal heat refers to the extraction of latent heat from the ground or bodies of water. Integrated geothermal systems do the same.

Depending on your region’s climate, the ground at a depth of about four to eight feet maintains the same temperature year round, with little or no fluctuation.

Advances in recent years in geothermal systems and heat exchange have allowed for the use of electricity and environmentally friendly refrigerants to extract and compound this latent heat. To do so, the ground or water temperature must be at a minimum of 40 degrees in order to operate a geothermal systems efficiently. A higher the temperature results in more efficient geothermal systems.

The heat pump itself consists of primarily a compressor and a heat exchanger. The compressor compresses, much the same as the compressor in your fridge or deep freeze does, allowing the system to separate heat from cold. In your freezer, it separates the air into warm (goes out the back or under your freezer) and cold (goes into the freezer). Water-based geothermal systems operates on the same fundamentals, except using water, rather than air for heat transfer.

Given recent advances in geothermal systems technology heat exchangers and compressors have attained a level of efficiency which makes them very attractive as an alternate heating and cooling method. Actually, studies carried out by the United States’ Department Of Energy(DOE) have identified water-based geothermal heat exchange systems to be the most efficient and cost effective way to heat and/or cool your home or business - bar none. It makes you wonder why it is considered an "alternate" method?

The geothermal heat pump itself resides in your home and really gets all of the credit for heating and cooling the home, but it is actually the miracle of nature through which ground heat provides the renewable resource which makes the system capable of heating and cooling buildings on an on-going basis.

Given that the earth maintains its constant temperature the heat pump can continue taking this latent heat through absorption. As long as the system is properly designed and installed, and the geothermal heat extracting loops (ground loops) return the heat-extracted water according to established industry standards, this process can be repeated indefinitely.

The real essence of geothermal systems and geo heat exchange is multi-faceted. It is cheap to operate, and when installed properly, can result in costs that are a fraction of your current fuel bill. Although natural gas is the second most effective method for home or business heating, it still cannot begin to compare in operating cost to geothermal heat exchange. And since no fossil fuels are burned in this process, geothermal systems are the most environmentally friendly means of heating and cooling a building.

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Geothermal tax incentives
There are numerous incentives offered for geothermal heating and cooling systems across the United States.
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Compare Geomax units
Use the Geomax comparison chart to compare the five different Geomax geosource heat pumps side-by-side to help you decide which model is right for your application.
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Geomax unit comparison - download PDF brochure.

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