An old house built in 1930.
Total covered area 77m2.
Outside temperature -18 degrees C.
Midea 3,5 kW air conditioner with air ducts delivering hot air to the rooms.
The external unit draws from the air 4 - 4,1 kW.
Electricity consumption of the air conditioner is at the moment 1500-1800 W.
Temperature inside the house is 21-22 degrees C, auxiliary electrical heating is not working.
Ventilation system with energy recovery provides fresh air at +17 degrees C.
