Been looking into getting my air ducts cleaned for reasons too numerous to mention. Up until yesterday I had no idea there were air ducts made of materials besides metal. It turns out if mine are made of fiberglass board they are not even cleanable and I’ll have to get them replaced. I would...

Problem: Our second floor is an "A" frame without an attic. We have one air return vent over our loft which connects to our large bedroom/bath and a large room over the garage. There are doors between the 3 large areas. Our bedroom in the middle gets no air flow and is hot in the summer and...

What is the technique for sanitizing air ducts? Is it done just at openings or throughout the entire duct. Any information appreciated.