The heated refrigerant passes via a heat exchanger, transferring its heat for the h2o inside the system. This drinking water can then be useful for Room heating, scorching h2o, or each. Based on the US Office of Power, installation of the boiler feed h2o economizer can raise the thermal efficiency https://sergioeowdl.estate-blog.com/30700146/considerations-to-know-about-waste-heat-recovery