The National Air Duct Cleaners Association (NADCA); also known as the HVAC Inspection, Cleaning, and Restoration Association; today announces the publication of a white paper on methods of inspecting ...
As air moves from a supply plenum or main duct into a takeoff it changes direction. Airflow has a hard time making turns at high rates of speed, just as we would driving down the interstate. When we ...
In last week's blog post on transite heat, I explained that most sub-slab ductwork is not transite. It's not transite heat, it's not transite ductwork, and it should not be labeled as such unless the ...