Earth Geothermal Energy

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Ground Source Heat Pumps can provide free heating & cooling for all buildings across the World

Ground Source Heat Pumps

  • Introduction
  • How it works
  • Ecological Credentials of GSHP

Introduction


Ground Source Heat Pumps (GSHP) are an ecological method of providing heating and cooling to buildings.

The technology is based upon the Sun providing free energy to the Earth, which is stored in the ground.  The Earth works like a giant battery storing warmth just below the surface.

GSHP can provide rapid payback.  Uncertainty of fossil fuel reserves and  rising costs associated with climate change, mean GSHP is the answer for all building heating/cooling systems. 


How it works



The Ground Source Heat Pump works by using the temperature difference between the air in the building and the ground.

This means that during cold weather the Ground Source Heat Pump can provide heating. 

In hot weather, the Ground Source Heat Pump can provide cooling.


Pipes filled with water are inserted in to the ground.  A few metres below the surface, the ground always stays between 11-13 degress Celsius.  That is why municipal water supplies do not freeze when bringing water to homes and industry.  Thus, the GSHP provides cooling ability in Summer and warming ability in Winter.  Unlike wind energy or solar energy, GSHP is a very consistent form of heating and cooling a property.

Ecological Credentials of GSHP

GSHPs use a natural and sustainable energy source - warmth from the Earth.  Compared to standard methods of heating a building, GSHP is approximately one and a half times more efficient. 

As the energy source is from the Earth, this means that it only requires energy for the pump/valves and electronics from another energy source.  This means a huge reduction in the use of fossil fuels compared to using gas, oil or electricity to achieve the same goal.  Also, no heat is being generated - it is simply being moved from one place to another (Earth to building - building to Earth).

As the majority of any GSHP system is made up of pipework, there are very few parts to go wrong.  Most of the pipework is in the ground and is therefore protected.  This is a low-tech, low-maintenance solution to heating and cooling requirements.

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