Geo-thermal heating is a far more efficient method of heating than traditional fuel burning methods. It’s cleaner, better for the environment, and perhaps most importantly it saves money!
To understand the true usefulness of geo-thermal heat, it is important to first understand how the technology works. Geo-thermal heat pumps are very similar to standard air-source heat pumps, (which you may use for heating your home) but instead of absorbing heat from the outside air, geo-thermal absorbs heat from the ground. To extract heat from the ground geo-thermal typically circulates water through tubing buried below the frost line, or through deep wells that are connected together by underground tubing. Since the Earth’s ground temperature in the mid-western states is typically a constant 30 to 40 degrees year-around this causes the water to absorb heat energy from the earth. The water then carries this energy to the heat pump, where a refrigerant gas absorbs the heat energy and a compressor then raises the output temperature to approximately 120 degrees. From here the heat is transferred to a traditional HVAC ventilation system, radiant heat system, or even a swimming pool. Since geo-thermal uses heat from the ground, which is essentially free, the overall system performance is typically more than 400% efficient! What’s even better is that this heat transfer cycle can be reversed in the summer time to cool a building just like an air conditioner.
Here’s another useful money saving tip: With this same heat pump technology we can also reclaim heat from hotel laundry systems, industrial waist heat, computer server rooms, or any other heat source that would other wise be waist heat. This heat can be re-captured and put back to use either heating domestic hot water, part of your building, or even a swimming pool. Heat is like money these days, don’t waist it!
Don’t let the cost deter you! While it is true that geo-thermal requires an up front capital investment it should be thought of as an investment, and not an expense. Investing in geo-thermal technology is like putting money in the bank, and watching your investment earn interest. It’s common to see geo-thermal systems cut combined heating and A/C bills by 65% to 80%. Yes, I said 80% and I’m not exaggerating! With energy savings this substantial a geo-thermal system can pay for it self in less than 10 year, and with tax credits and potential rebates that are available I’ve seen systems with paybacks less than 5 years. With gas prices continuing to rise every year the payback for a geo-thermal system will only get better.
How To Save Money With Geothermal Heating In The Midwest And Eastern States - To learn more about this author, visit Jay Gustafson's Website.
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Jay Gustafson
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