Log cabin from 1999, question about energy efficiency

  • Erstellt am 2023-09-11 13:58:15

dertill

2023-09-28 11:34:52
  • #1
I would not recommend split air conditioning in this case. The upper floor still needs to be expanded anyway, so the underfloor heating does not cause significant additional costs and can also be installed as a dry construction. Much is already in place here for the use of the heat pump, and the demand can be covered by surface heating. Split air conditioning makes sense for small buildings with old direct electric heating or subdivided buildings with previously used floor heating units. It can also be done if surface heating is not possible or for other reasons a central heat pump would not work efficiently; I do not see that here. The underfloor heating ultimately offers more comfort than the air conditioning units.

Here I would take a small (the smallest you can find) air-to-water heat pump, e.g., Panasonic Aquarea L 5kW or the Wolff CHA7 with 5 kW. They are also attractive in terms of price. The heating load is probably rather around 3-4 kW, but a room-by-room heating load calculation is mandatory anyway.
 

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