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 ...

Airflow is one of the aspects of hvac that is critical — perhaps especially so in heat pump installations — but it is poorly understood, partially due to the cost of the required tools. This article ...

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 ...

While exposed ceilings in office interiors lend a spacious, open feel, this trendy architectural feature has created a new challenge: finding a viable return air path. Plenum ceilings use the area ...

Experts examined reduced pathogen transmission using a building’s original mechanical design, original installation, design intent, and proper maintenance in a new white paper. Return Ductwork ...