Design

BBC house: is it necessarily living in a cooler?

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V. Gremillet

BBC homes are often perceived as cold houses to live. True or false ? If they consume little energy and do not have traditional heating, what is it really?

The fantasy

"A house so little heated I'm cold just thinking about it If you have to live permanently with two or three sweaters on your back, you must give up right now!"

Reality

Everyone agrees that in a house with little or no insulation, draughty drafts and cold walls, it's impossible to get really hot. The feeling of discomfort prevails. On the other hand, in a perfectly insulated and draughty house, one feels good and there is no need to push the thermostat. In addition, it is enough to raise the indoor temperature: a ray of sunshine through a bay window, a cake that bakes in the oven, a family reunion around the table ... Moreover, the passive houses , even better isolated, are not heated at all: the inhabitants and their activities are enough to keep them warm (except at altitude or in very cold weather). It is not because a house does not need heating that it is cold.

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