HVAC Zoning, Plaster Patch Ask This Old House : Season 15 Episode 6
TV-G PBS 30m
Aired: November 3rd, 2016 @ 8:30 PM EST on PBS
Richard learns about a way to heat and cool a house using a new room-by-room ventilation system. Tom explains the best ways to patch a small hole in the wall. And the guys ask, “What is it?â€
