Monday, 19th November 2018
LAND & PROPERTY Article
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This Month's Magazine
The difference between Geothermal and Aerothermal

The difference between Geothermal and Aerothermal

If you’re considering an efficient and eco-friendly heating source and are asking what is the difference between them we can start by saying that both are significantly more efficient than conventional heating options, like electric baseboard, oil or natural gas heating options.

There are a few key differences between Geothermal and Aerothermal systems.

Heat Source
The most obvious difference between air source heat pumps and geothermal heat pumps is the where they get their heat.

  • Air source heat pumps collect heat from the outside air, while geothermal heat pumps absorb heat from the
    ground. This process is more efficient to do in warmer months but is an increasingly less efficient process in the
    midst of winters, when there is less heat in the outdoor air to draw from and more coil defrosts are required.
  • Geothermal heat pumps collect the readily available and renewable heat that is available just underneath the surface of the earth, and which has a consistent temperature regardless of season. No defrost cycle is required
    and the units maintain a relatively stable output.

Heat Collector System
The second relevant difference is in the heat collector system. With geothermal heat pump systems, an antifreeze solution is circulated through pipes buried in the ground to either absorb the grounds’ heat during the cold season, or expel the heat during the warm season. In contrast, an air source heat pump draws its heat from the outdoor air instead.


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Heat Distribution System
Another way you’ll find that air source heat pumps and geothermal heat pumps differ slightly is the way that the heat is distributed. It is possible to choose whether you prefer your heat to come from radiant in-floor heating or both heating and cooling through air ducts.

On selecting heating through a radiant infloor system it is possible to make chilled water that can be used for forced-air cooling if you install a hydronic air handler. Radiant in-floor heat is a very even and comfortable method of heating and is best suited for new builds where the piping can be installed during construction.

When you are ready to explore in greater depth more about which of these ecofriendly heating and cooling options would be best suited to your needs, do not hesitate to contact Matecno S.L. who will be able to illustrate in detail exactly the level of savings against traditional methods as well as costs of installation.



MATECNO, Architect
Architects, Building & Construction Management iin Marbella, Sotogrande, Puerto Banus, Estepona, Maniilva, San Pedro, Avenida Manilva, 1 -1ºG, 29692
+34 679 173 916
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MATECNO, Architect

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