Do heat pumps work in old or large homes? Here’s everything you need to know - Experts say heat pumps can work for larger and ...

A heat exchanger draws the heat from the waste water, after which the large heat pump increases the temperature to 75 degrees and the water is fed into the heating grid, according to the company.

The Fraunhofer ISE has designed a novel method for assessing the potential of low-temperature heat sources for large-scale heat pumps. The five-step process was tested on the German city of Fellbach, ...