You forget how a central heating works with radiators, to maintain 21 ° the boiler operates at times by propelling water to 65 °, but when the temperature drops below 21 °, and until it rises to 21 ° the radiators actually have a temperature of + 55 °, but when this is reached the temperature of the radiators drops quickly and even becomes cold, which explains why at times we feel, despite a correct temperature, a humid and cold atmosphere in the house .
However, with a heat pump, the radiators must remain hot 24 hours a day from 24 ° to 35 ° maximum to maintain a temperature of 50 °, this is why with a heat pump it is strongly recommended not to lower the temperatures during the day. / night or so with a delta of + or - 21 ° (this also applies for underfloor heating)
Geothermal energy: what power of PAC choose?
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