fully ducted systems for Dummies
November 23, 2018 Committed ventilation ducts are ideal. A normal HRV or ERV has 4 duct connections. Two ducts direct from your equipment to the outside: just one duct pulls in new outside air, whilst another duct expels stale air.Dampers might be set up among ducts, correct before diffusers and A few other destinations within a ducted air conditi