Air/Water Type Heat Pumps

Air/Water Type Heat Pumps Principle

This type of heat pump uses an exterior unit placed outside your realty to suck air from which it takes thermal energy and then deflates the air back to the surroundings. The interior unit is placed in the building and produces heating water and domestic hot water. The up-to-date heat pumps are highly reliable even at outdoor temperatures down to -20°C, thus delivering heat all year-round. The average heating factor of the air/water system does not differ overly from the ground/water system through the heating season. The same efficiency is obtained by higher temperature of air in autumn and spring compared to temperature of ground. We can see this in table of average temperatures in the Czech Republic. Economically said, a family house with average thermal loss and ground/water heat pump installed will save only CZK 2000 (about EUR 84) a year more compared to air/water type heat pump. On the other hand, difference in initial investment can reach up to CZK 100,000 (about EUR 4,167) due to drills prices.

For the outdoor unit, we recommend to choose a place with a good access to air. For the system to operate optimally, it is also necessary that the cool air does not return in a closed loop which would decrease the heat pump’s efficiency dramatically. That is why we recommend our customers to place the unit to south, sunny part of the family house.


Disadvantages
  • lower effectiveness at heavy frosts
  • outdoor unit noisiness
Advantages
  • cost/performance ratio
  • versatility
  • easy installations
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