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Heating/cooling makes up almost 16% of the energy consumed in a household. To be comfortable, the temperature should be around 20ºC.

Following some of this advice will save your energy.


  • Good isolation allows you to take full advantage of the heating on the coldest of days.
  • In the summer, when it is hottest, lower the blinds so that the sun doesn't shine through the windows; in the summer, raise the blinds so that the sun heats the house.
  • Keep the hearth closed to trap in the warmth.
  • Choose a acclimatization system that is efficient and does not waste energy, such as central heating (heater or radiators) or air conditioning.
  • Be mindful that energy consumption increases around 7% for each degree the temperature is increased by.
  • Lower the temperature to between 3 and 5ºC in bedrooms. If you go out for a few hours, reduce the thermostat temperature to 15ºC.
  • One of the most efficient heating systems is floor heating.
  • Close the blinds if you are heating or cooling the room.
  • In the summer, open the windows at night to cool the house. This way, you do not need to use air conditioning.
  • If the air conditioning has an external unit, this should be kept in the shade and close to the internal unit to minimize energy consumption.
  • In order to avoid unnecessary usage of the air conditioning, use a timer.