The government wants a significant reduction in the use of natural gas in the built environment. One of the options is to install a small electric heat pump combined with a high efficiency combi boiler. This combination is called a hybrid heat pump. The heat pump is useful for heating homes particularly in spring and autumn; the high efficiency boiler will step in when outside temperatures drop down. The HE boiler will also provide hot tap water. If high efficiency boilers were to be widely replaced by heat pumps tasked with providing all the heating and hot water, then the electricity grid in the Netherlands would require substantial reinforcement, not only in residential districts but also further afield. The hybrid heat pump is seen as a serious successor to the HE boiler, the technology is relatively simple, and it takes up very little space. Using hybrid heat pumps cuts gas usage in homes by roughly half. On the other hand, electricity consumption will increase so it is advisable to generate the extra electricity required sustainably.
Hybride warmtepomp (links) in combinatie met CV-ketel (rechts)
Buitenunit (ventilator) tegen gevel