Ask TOH | Room Zones, Wall Patch

Coming up on this episode of Ask TOH 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?"   New Electrician's Tool Scott shows Kevin a nonconductive electrical tool to make working with wires easier.   Where to find it? Scott showed Kevin a Voltclaw, a multi-use tool for electricians and homeowners.