If you want to save on electricity costs, you should have your old heating pump, the so-called circulating pump, replaced with a high-efficiency pump. This is because the pump is characterized by electronically controlled pump technology that automatically adjusts to the actual heat demand. This can save around 300 to 400 kilowatt hours of electricity per year. This means that homeowners pay between 60 and 100 euros less per year.
A heating pump is responsible for transporting the heating water from the boiler to the radiator. In the process, the outdated models in old buildings consume unnecessary electricity, as they are also in operation when the house does not require any heat at all. With an output of about 140 kilowatt hours and an operating time of 6,500 hours per year, consumers pay about 170 euros, according to the editorial team of "Energiesparen im Haushalt". A high-efficiency pump, on the other hand, operates at only 3 to 20 watts. Calculating the power consumption with the same operating time and a power of 7 watts, the costs amount to about 9 euros.
Even if homeowners do not want to replace the entire heating system directly, they should at least replace the heating pump. The cost of a modern heating pump in a single-family home, including installation, is around 400 euros. Homeowners who have their heating system optimized by a specialist company can apply for a grant from the Kreditanstalt für Wiederaufbau (KfW). This applies to the purchase of the new heating pump as well as the execution of the hydraulic alignment. It is recommended to carry out the hydraulic balancing when installing a new heating pump in order to guarantee that all radiators are supplied with the required amount of water. In this way, an optimal and demand-based heating performance can be achieved.
Source: energy-saving in the household/energy consultants
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