Installing a Geothermal Heat Pump
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by: hectorwright
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The top 15 metres of the Earth's surface maintains a relatively constant temperature of approximately 12¢ªC. This energy can be used to heat buildings indirectly.
Pipe is buried in the ground, either in a borehole or a horizontal trench. The pipe is usually a closed circuit and is filled with a mixture of water and antifreeze, which is pumped round the pipe, absorbing heat from the ground.
The length of the ground loop depends on the size of your home and the amount of heat you need - longer loops can draw more heat from the ground.
Normally the loop is laid flat, or coiled in trenches about two metres deep, but if there is not enough space in your garden you can install a vertical loop to a depth of up to 100 metres.
The efficiency of a ground source heat pump is measured by a coefficient of performance (CoP) - the amount of heat it produces compared to the amount of electricity needed to run it. A typical CoP for a ground source heat pump is around 3.2 without any reductions for the type of distribution system.
Reduce your CO2 emissions: on average a ground source heat pump could save around 540kg of carbon dioxide every year when replacing an oil boiler.
Eliminate your fuel bills: ground source heat pumps run on electricity, so there's no need to pay for gas, oil or solid fuels to heat your home.
Cut down on wasted electricity: heating your home with a ground source heat pump is much more efficient than using electric radiators.
Costs of installing a typical system range from about £7,000 to £13,000. Running costs for a year, where all hot water and space heating can be provided by the system are likely to be around £650 per year, but will depend on a number of factors - including the size of your home and how well insulated it is.
Savings can be considerable - up to 540kg of CO2 and £160 if you're replacing an oil-fired central heating system.
To reduce your home's CO2 emissions further, consider installing solar electricity or some other form of renewable electricity generating system to power the compressor and pump.
Installing a Geothermal Heat Pump WILL Save you thousands in heating and cooling costs and WILL repay itself many times over
Imagine...Being Able to Save Thousands on Your Home Heating and Cooling Costs...Forever. It's Now reality
Today’s best geothermal systems outperform the best gas technology, gas heat pumps, by an average of 36% in heating mode and 43% in cooling mode!
You can save 25-50% on home electric bills compared to conventional heating and cooling systems. Imagine what you could do with the extra money in your wallet!
If you are interested in learning about geothermal heat pumps and how to install a system to reduce your electricity bill then this is the perfect resource for you!
About the Author
Hectorwright
Hi I'm Hector Wright a retired builder and residential developer. With over 45 years experience in the industry.
I now write articles on DIY and energy saving http://groundsourceheat.blogspot.com/
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