The calculated SPF’s in the study are based on the energy allocated to the space heating only, this in order to make the results comparable to the results from the calculation models in prEN14825 and Lot 1, which not include the production of domestic hot water.
Air to air heat pumps The field measurement of the air to air heat pumps is carried out in single family houses located in the Borås area of Sweden. All houses in the study have electricity driven radiators for back up heating. The field measurements are based on SP method 1721. From the field measurements SPF2 and SPF3 has been calculated as described below
Inga kommentarer:
Skicka en kommentar