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Phone: (353) 01 4031200
Fax: (353) 01 4137777
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Also known as ground-source heat pumps, GHPs provide many benefits to the homeowner in both new and retrofit situations. Surveys by utilities illustrate a high level of satisfaction with GHPs compared to conventional systems. In fact, more than 95% of all GHP users would recommend a similar system to their friends and family.
Simply put, a GHP system moves the heat from the earth (or a groundwater source) into the home in the winter, and pulls the heat from the house and discharges it into the ground in the summer. The underground (or underwater) piping loops serve as a heat source in the winter and a heat sink in the summer.
GHPs Offer Many Benefits
Geothermal heat pumps save money in operating and maintenance costs. While the initial purchase price of a residential GHP system is often higher than that of a comparable gas or oil-fired system, it is more efficient, thereby saving money every month. For further savings, GHP’s equipped with a device called a "desuperheater" can heat the household water. In the summer cooling period, the heat that is taken from the house is used to heat the water for free. In the winter, water heating costs are reduced by about half.
On average, a geothermal heat pump system costs between euro 8,000 & 10,000 euro(typical residential size). In comparison, other systems would cost about euro 4,000 . When included in the mortgage, the homeowner has a positive cash flow from the beginning. For example, say that the extra 4,000 will add euro 30 per month to each mortgage payment. But the energy cost savings will easily exceed that added mortgage amount over the course of each year. On a retrofit, the GSHP's high efficiency typically means much lower utility bills, allowing the investment to be recouped in five to eight years.
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Durability
Because they use fewer mechanical components, and because those components are sheltered from the elements, leaves, dirt, and possible vandalism, geothermal heat pumps are durable and highly reliable. The underground piping used in the system often has 25- to 50-year warranties, and the GSHPs themselves typically last 20 years or more.
Low Maintenance
Geothermal heat pump systems have fewer maintenance requirements than most other systems. When properly installed, the underground components are virtually worry free. The components in the living space are easily accessible, which increases the convenience factor and helps ensure that the upkeep is done on a timely basis.
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Quiet Operation
With GSHPs, there are no outside condensing units like air conditioners, so there's no concern about A/C noise near patio areas or decks, or bothering the neighbours with the constant hum of a conventional air conditioning system. GSHPs Have Low
environmental impact.
Because a GSHP system is so efficient, it uses a lot less energy to maintain comfortable indoor temperatures. This means that less energy—often created from burning fossil fuels—is needed to operate a GSHP. According to the EPA, geothermal heat pumps can reduce energy consumption—and corresponding emissions—up to 44% compared to air-source heat pumps and up to 72% compared to electric resistance heating with standard air-conditioning equipment.
The System of the Future
With their high efficiency and user satisfaction, geothermal heat pumps are one option homeowners should consider. Not only will they save energy and money, they'll reduce emissions and provide indoor comfort at less cost to the environment.
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Design and Installation
Installing a geothermal heat pump system is not a project for the do-it-yourselfer. Because the pipes are underground, they need to be designed and installed correctly, and properly pressure tested.
The consumer should insist that a qualified and experienced contractor, who has received training at a recognized institution, install the system.
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