The heating system works with a heat pump (17% deployment in Switzerland) and keeps the temperature at 21ºC for a whole year, although it is mostly used in winter. The heating system has a lifespan of 20 years. The emissions are counted for a single person in the household (2.2 persons per household on average) and include the construction, maintenance, and dismantling of the heating system, as well as the consumption of electricity.
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