Charlie: Here’s one from Reed in Northwest. Tom, he says, “I just listened to your show and I need some clarification. I have a five-inch thick media filter in the attic plenum for the AC. Do I still need that 1x20x30 filter in the air return in my hallway? Tom: No you do not. And […]
The post Do I still need a filter in the air return in my hallway if I have a five-inch thick media filter in the attic plenum of the AC? appeared first on HomeShow Radio Show | Tom Tynan.
