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 ...

When the combustion air duct is connected directly to the return plenum for a furnace, the blower fan on the furnace pulls outdoor air in to the return plenum. To supply this air to the furnace room, ...

To fully understand how to install a high-velocity HVAC system, one must know what it is and what it does. Basically, it is a small duct, high-velocity airflow, heating and cooling system designed to ...

The WiFi signal at the top floor of my house poor, so I am exploring the possibility of routing a cable from the first floor modem up 2 floors to the top floor. The options for routing this cable are ...

All questions and answers are based on the 2017 NEC. Underlined text indicates a Code change. Q. What are the Code rules regarding wiring installed in ducts specifically fabricated for environmental ...

Is it a bad idea to run standard cat5e/RG6 cable through a homes heating/cooling air ducts? I have a long house with a central duct running down the length between the ground and upper floors. I'd ...

If you were just served an ad for an air duct cleaning product, you may now be wondering if your home’s air ducts should be cleaned—especially if you’ve never done it. Will it improve your indoor air ...