Air heat pumps
- cooling and heating air
Main features
- works 24/7, but efficiency degreases when temperature falls
- system needs electricity
- the heat pump produces 1-5 units (depending on outside temperature and type of pump) heat energy for every 1 unit of electricity it consumes
Additional features
- indoor unit should be located to a place where air flow is free
- both indoor and outdoor units generate noise
- life cycle of a air heat pump is around 10-20 years
