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- Experience with drain water heat recovery @planning:building_services:heating_and_dhw:experience_with_drain_water_heat_recovery
- contribute to heating, it makes perfect sense to use this heat source in some way. \\ One standard approach is heat pumps that use wastewater flowing through large intercepting sew... Passive heat recovery or a heat pump can also be used to process gray water. Even the very first Passi
- Supplying Passive Houses with sustainable energy
- definition does not clarify which demand is being used or whether primary, final or useful energy is being considered. Before we can make headway with these... – every kilowatt-hour of renewable energy can be used only once. Once we have reached the limits of av... lding is desirable, especially since it increases users' identification of the building as part of the