Geothermal energy and heat pumps

Geothermal energy and heat pumps

The term geothermal energy, which literally means 'Heat of the Earth', refers to the energy in the form of heat that is contained in the Earth's subsurface and that steadily moves toward the surface.

There are two "types" of geothermal energy that depend on the temperature involved: higher temperatures (>150°C) fall in the high enthalpy category. This is relative to the exploitation of geological anomalies or volcanoes. In this case, which occurs only in a few isolated points on the planet, it is possible to produce electric energy thanks to the high temperatures involved, as for example in Larderello, Tuscany region.

Lower temperatures are considered as low enthalpy, where the subsoil is exploited as a heat reservoir from which to extract heat during the winter season and to which transfer heat during the summer season. In this case the temperatures involved are lower, and therefore appropriate to heat or cool buildings. This is possible virtually anywhere you can access the underground.

ENEREN fits into this second sector: through our solutions it is possible to heat and cool your environment in a completely sustainable way.

Advantages of geothermal energy:

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It allows the use of a continuously available and unlimited resource in the underground.

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It allows very high yields with minimal power consumption.

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Allows operation in reversible mode (heating / cooling / DHW) reducing payback time.

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Non-polluting and contributes not only to energy savings, but also to a substantial reduction of pollutant emissions into the atmosphere.

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It can be easily combined with solar thermal and photovoltaic systems; the latter may provide the amount of electrical energy necessary for the operation of the heat pump.

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Increase the property value.

Economy in operating costs:

  • no cleaning of chimney or burner,
  • no combustion control,
  • no control of the fumes,
  • no financial burden associated with the storage of fuel (diesel / LPG / pellets)
  • reduces any costs associated to home insurance.

The environmental benefit of a geothermal system of standard size (5-7KW), in terms of avoiding greenhouse gas emissions is equivalent to the effect of 1/2 hectare of forest

 
Geothermal system = 5.000mq

Advantages on installation costs:

  • no additional cost for summer air conditioning,
  • no need for chimneys,
  • no need for a technical room that has a fire-prevention system,
  • no need for a buffer/storage tank,
  • increases the property value,
  • if electric burners are used, there is no need to connect to gas network.

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