Smoke pens offer HVAC technicians and remodelers a simple and affordable option for finding leaks in ductwork. The Lone Landlord on Youtube buys homes and renovates them for his tenets, often scooping ...

Sealing ducts is now recognized as being very important. In fact California, always a bell-weather state, is now requiring duct testing and sealing on most change-outs and new construction. Building ...