Class A house, guidelines

Current technology allows us to choose an appliance or a heating or cooling system with a view to saving energy: there are solar panels, wind systems, devices with maximum energy efficiency. It is no coincidence that all appliances are accompanied by a table indicating the energy class to which they belong to index the choice towards greater savings on the bill. Today the buyer demands at least Class A ... ..who would buy, for example, a Class G refrigerator, since this would triple the consumption of electricity?

Energy classification of housing
Everyone therefore knows the tables clearly displayed on energy classification appliances… .. however not everyone knows that there is also an energy table for the home. Here is what we have reported below, it is the table that indicates the annual consumption, expressed in kWh per square meter, of the various energy classes of the houses.

While those who already have a home must optimize energy efficiency by making changes, those who will build a class A house will already be able to take advantage of these advantages which translated into figures means annual savings between € 200 and € 330 per 100 square meters of home than a lower class home.
For example, a Class F house consumes, per square meter, 5 times more than one Class A house, triple that of a Class B and more than double that of a Class C house, therefore a consumption of less than 30 KWh / sqm per year
Existing buildings could be placed in class G and new buildings that we see advertised as "high energy saving" are placed in class D.

A class house, guidelines
The guidelines for building a house following the principles of energy efficiency:

  • solar gain study (design and construction methodology)
  • resolution of thermal bridges (heat dispersion)
  • insulation, includes: windows, doors, coats, masonry, roof, floors, floors against the ground, floors and floors towards unheated areas
  • electrical systems (photovoltaic, wind, home automation and control)
  • thermal plants

ATTENTION: if you are offered a "Class A"Or" high energy efficiency "it is not enough that it has solar panels but ask in WRITING how much, in economic terms, the energy management of your home will cost you in the future.
Of course, the initial cost will be higher, but it will allow you a considerable saving for a lifetime.

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