Inside Your House, Part 3: Heat & Fresh Air

Inside Your House · Part 3 of 4: Heat & Fresh Air See how a heat pump moves energy, how ducts circulate indoor air and why fresh-air ventilation serves a different purpose. 00:00 How a heat pump moves heat 00:35 Why supply air needs a way back 01:26 Fresh air is a separate job Sources: Natural Resources Canada: Heating and Cooling with a Heat Pump https://publications.gc.ca/collection... PNNL: Properly Sized and Located Return Air Inlets https://basc.pnnl.gov/sites/default/f... Building Science Corporation: Transfer Ducts and Grilles https://buildingscience.com/documents... DOE Building Science Education: Whole-House Ventilation https://bsesc.energy.gov/energy-basic... Animated teaching illustrations of a representative house. Colors, dimensions, flow and elapsed time are schematic. Homes and equipment differ. This is a science walkthrough, not an installation guide or a diagnosis of a particular home.