CHANTILLY, Va. — The Sheet Metal and Air Conditioning Contractors’ National Association (SMACNA) announced that the American National Standards Institute (ANSI) has approved its HVAC Air Duct Leakage ...

A common idea promoted across the industry is that any heat lost from an uninsulated duct system to a conditioned space isn’t truly lost and has no effect on energy consumption. Most contractors would ...

If you suspect mold, cleaning ducts won’t do much good. Mold always begins with moisture, and the ducts themselves are unlikely to be the source of the problem. The most likely culprits are the ...

As the weather heats up, our thoughts turn to chilling out. If your home doesn’t have central AC, window air conditioners remain one of the least expensive ways to cool things down while keeping ...

Q: I just discovered that the air ducts in my concrete slab have problems. An odor alerted me to standing water, debris and even a dead animal in the ducts below my floor. I have galvanized air ducts ...