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Geothermal Heat Pumps or GHPs will use 30-60% less energy than typical HVAC systems, Geothermal systems are quieter and require less maintenance. Geothermal Heat Pumps aren’t restricted to heating, they can also be use for cooling and in some cases they’ll even be used as water heaters.

Whereas we tend to are using Geothermal heat pumps since the late Forties, in line with the Climate Institute, “geothermal heating” has been used since the time of the Roman Empire as a means of heating buildings and spas by using sources of hot water and steam that exist near the Earth’s surface.

How Do Geothermal Heat Pumps Work?

While the temperature will vary widely from season to season, simply some feet below the earth’s surface the ground maintains a relatively constant temperature. This ground temperature will range from 45°F (seven°C) to 75°F (twenty one°C) depending on geographical location. A GHP uses this stable ground temperature to heat, cool, and when properly equipped, supply the house with hot water through a ground heat exchanger. Using the consistent temperature of ht earth as a heat exchange, instate of outdoor air with its variable conditions permits GHPS to reach fairly high efficiencies on the coldest nights.

Geothermal Systems vs. Air-Source Systems

While efficiencies vary by model, conditions and geographic location contemplate the following. In line with the US Department of Energy (DOE):

* Geothermal Systems will reach 300%-600% potency “on the coldest of winter nights”
* Air-Source Systems can reach a hundred seventy five%-250% efficiency “on cool days”

The improvement in energy efficiency offered by GHPs can scale back energy prices by thirty-50% in comparison to ancient HVAC systems.

In the United States, the DOE estimates concerning forty,000 geothermal heat pumps are put in every year. Whereas this could seem sort of a large volume, it is only a drop within the bucket when your consider two-thirds of all homes in the United States are equipped with air conditioning.

Why Isn’t Everybody Using a Geothermal Heat Pump?

Compared to traditional HVAC systems, Geothermal Heat Pumps “will be several times that of an air-source system of the same heating and cooling capability” states the DOE. How expensive are they? In keeping with Michael Bluejay, “In 2006 a geo system cost regarding $2500 per ton of capacity to install. A 3-ton geo system at $7500 compares with $4000 for a ancient system, for a $3500 up-front premium for the geo system.

Thanks to the energy potency of Geothermal Heat Pumps, this expense is returned to you in savings in as a little of five-10 years. With an expected system lifespan of twenty five years for elements, and fifty+ years for the ground loop, a Geothermal Heat Pump will give energy savings for several years. By reducing your electricity consumption you reduce your carbon footprint. Do your half to fight global warming, by using energy economical technologies like GHPs to scale back your electricity usage.

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