How geothermal heat pumps work

Heat pumps are some of the most energy efficient temperature control options on the market today.

They are wonderfully safe, quiet and environmentally friendly.

Heat pumps don’t burn fossil fuels to create heat and use far less electricity than more conventional alternatives. The primary drawback of heat pumps is that they tend to be expensive to purchase and install. However, tax incentives and available rebates combined with energy savings add up to a worthwhile investment. There are ductless, air-source, ground-source and water-source heat pumps. A geothermal heat pump pulls heat from the ground and delivers it into the more. They are far more efficient than traditional heating systems because they simply move existing heat from one place to another. Underground temperatures remain at a relatively constant fifty degrees year round, minimizing the energy required for the geothermal system to cool the home. They cost less to operate than conventional air conditioners or air-source heat pumps. A geothermal heat pump works a lot like a refrigerator in that it removes heat from the interior and transfers it to another location. The heat pump manages it by way of a system of underground pipes filled with either water or an antifreeze solution. The underground loop is linked to a geothermal heat pump installed inside the house. In heating mode, the liquid draws heat from the ground and sends it to the indoor unit, where it passes through refrigerant coils and then is distributed through a forced-air or hydronic system. In cooling mode, the process is reversed. The heat pump pulls heat from the indoor air and transfers it into the ground. With addition of a small valve, a geothermal heat pump can also provide a virtually free source of domestic hot water.

heat pump

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