The Spra-Kleen humidifiers have a 1-1/2 gallon per hour capacity, which is controlled by a humidistat. According to the manufacturer, the humidifiers have a unique method of humidifying and cleaning ...

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 ...

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 ...

Plenum: designed to fit in a wall of a building and accommodate the plants. Removable plant trays: accommodate growth media, plants, lights, and a watering device. Back duct: combines multiple air ...

Though suspended ceilings (above, right) remain the most popular ceiling system option, facility managers report that 17% of their total building square footage still features an open plenum ...

Q: More than 40 years ago, I read an article about a man who heated his small home by centralizing the source of heat into the crawl space. Each room had a floor register placed under a window, and ...

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 ...