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- Supplying Passive Houses with sustainable energy
- being considered. Before we can make headway with these questions, we must first point out the systematic... ounts in various parts of the world. In addition, these energy sources must be kept reasonable in terms o
- Experience with drain water heat recovery @planning:building_services:heating_and_dhw:experience_with_drain_water_heat_recovery
- at recovery offers a number of advantages:\\ * These simple, passive systems can be planned and instal