The decisive point in the case of a roof absorber is that, when compared with an air-water heat pump, the absorber saves annual heating costs even more and does so absolutely noiselessly.
What's the reason? The absorber absorbs solar energy and uses it to heat the brine system.
It is advisable to connect the roof absorber to a small area collector or to an energy fence of ground content in order to create a buffer possibility for the night and for extremely cold, overcast days.On sunny days, the ground is recharged by the solar gain of the absorber.
When the sun shines, the source temperature in the case of an absorber system is therefore significantly higher than the actual outdoor temperature. As a result, the system is more cost-effective than an air-water heat pump, which can only use the actual outdoor temperature and thus a considerably colder source.
