Some users complain that the power consumption of their air source heat pump for house heating is very high, not as energy-saving as advertised! In fact, there are many factors affecting the power consumption of heating, such as building insulation, heat pump quality and selection, heating ways, user's operating habits and so on. It would be unwise to only put the blame on the air source heat pump.
Thermal Insulation of Your House
The energy consumption of air source house heating, first of all, must be related to the building's enclosure structure, doors, windows, storey height, wall insulation and so on, which are important factors.
If the window is made of large and single-layer glass, then the heat dissipation is relatively much higher and more heat supplement is needed. In the selection of the heat pump, you should consider higher value of heat load. The higher the room height, the greater the heat dissipation. For the same wall, there is a great difference between thermal insulation and non-thermal insulation. In addition to these, balcony orientation and wind speed will also affect the building's demand for heat.
Heat Pump Quality
Whether the product design is reasonable, what the components are like and how the workmanship is, will have an impact on energy consumption. For example, the reasonable defrosting logic of air source heat pump should be: defrosting thoroughly only when there is frost. If the design is not reasonable, heat loss during defrosting will be very large, which does not only affect COP, but also affect the temperature fluctuation in the room.
Whether defrosting is good or not depends on several factors, such as technical scheme, production and workmanship consistency. The consistency of workmanship is the basic skill and strength of the factory. All this will have an impact on defrosting. If the defrosting logic is good, but the product is not, the same problem will occur.
Selection of the Right Heat Pump Model
Whether a right heat pump is selected is a factor that is easy to overlook. For example, a heat pump unit with high heating capacity selected for a small room must cost a lot. If a small air source heat pump has been working for long hours in bad conditions, it may also cost a lot. For example, the reasonable allocation of a 100 square meter house is 5P air source heat pump (about 18KW) while a 9KW heat pump would be too small. If the unit has been working on a very high water temperature, that is, very bad working conditions, this in fact is also unfavorable. A heat pump unit, like human beings, has its working limits.