Go Greener Tips

Geothermal Heat Pumps or GHPs will use thirty-60% less energy than standard HVAC systems, Geothermal systems are quieter and need less maintenance. Geothermal Heat Pumps don’t seem to be limited to heating, they will also be use for cooling and in some cases they’ll even be used as water heaters.

While we are using Geothermal heat pumps since the late Nineteen Forties, according to the Climate Institute, “geothermal heating” has been used since the time of the Roman Empire as a way 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, just some feet below the earth’s surface the ground maintains a relatively constant temperature. This ground temperature can vary from 45°F (seven°C) to seventy five°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 outside air with its variable conditions permits GHPS to achieve fairly high efficiencies on the coldest nights.

Geothermal Systems vs. Air-Supply Systems

Whereas efficiencies vary by model, conditions and geographic location take into account the following. In step with the US Department of Energy (DOE):

* Geothermal Systems will reach 300%-600% potency “on the coldest of winter nights”
* Air-Supply Systems can reach 175%-250% efficiency “on cool days”

The improvement in energy efficiency offered by GHPs can reduce energy prices by thirty-fifty% in comparison to traditional HVAC systems.

In the United States, the DOE estimates regarding 40,000 geothermal heat pumps are put in each year. Whereas this could seem like a massive volume, it is solely a drop in the bucket when your think about 2-thirds of all homes within the United States are equipped with air conditioning.

Why Isn’t Everyone Employing a Geothermal Heat Pump?

In comparison 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? Per Michael Bluejay, “In 2006 a geo system price about $2500 per ton of capability to install. A three-ton geo system at $7500 compares with $4000 for a traditional system, for a $3500 up-front premium for the geo system.

Thanks to the energy efficiency of Geothermal Heat Pumps, this expense is came back to you in savings in as a little of 5-10 years. With an expected system lifespan of twenty five years for parts, and fifty+ years for the bottom loop, a Geothermal Heat Pump will offer energy savings for several years. By reducing your electricity consumption you scale back your carbon footprint. Do your part to fight world warming, by using energy economical technologies like GHPs to scale back your electricity usage.

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