With energy costs going through the roof, HVAC system designers and specifiers are taking a much harder look at the many choices available in ductwork. One question that is being asked more and more is whether to choose rectangular or spiral duct.
Proper HVAC filtration is at the heart of indoor air quality. Filters will only do their job and perform as specified, however, when they are maintained correctly.
Motor efficiency remains one of the top issues in our industry, but when you talk about efficiency, often you're talking about trade-offs. The Motor Doctor explains all the factors involved.
Today's homeowners and building owners are more educated, highly sophisticated, and very demanding, which is why contractors need professional standards in place in their businesses to provide customer-driven solutions.
In this installment of the Btu Buddy series, Bob finds that a small retail store using a heat pump has had the outside unit stolen, most likely for the copper. He then moves on replacing the unit and preventing this from happening again.
Following a 4.9 percent gain in September, total housing starts fell 14.6 percent in October to a seasonally adjusted annual rate of 1.486 million units, according to figures released by the U.S. Department of Commerce. This was 27.4 percent below the pace from a year ago.
A contractor wants to grow his company fast and has a small war chest to make it happen. Consultant Al Levi says to get the most bang for the buck when it comes to growth, you need to get serious about acquisition.
A technician often has to sketch or design ductwork and other parts of an HVAC system. This means working with lines, angles, and other shapes. This article shows you how to draw and work with these different figures.
This article, written by an industry veteran, provides some general HVAC service techniques picked up over the years. It's designed to help technicians who are just starting out in the trade.
New Yorkers who want to keep energy costs down without sacrificing comfort this winter can take advantage of Home Performance with Energy Star®. Sponsored by the New York State Energy Research and Development Authority (NYSERDA), the program can help households save up to 40 percent on energy bills.
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