RUMORED BUZZ ON FULLY DUCTED SYSTEMS

November 23, 2018 Dedicated ventilation ducts are best. A standard HRV or ERV has 4 duct connections. Two ducts guide in the appliance to the outdoors: a single duct pulls in new outside air, when another duct expels stale air.Excellent points, Martin. I come across it annoying that there are seemingly loads of limitations to finding H/ERVs into f