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Compliance with the EPA’s 608 is a mandatory part of HVAC contracting. Techs are required to gain certification by an EPA-approved organization and pass their tests or else they are unqualified to work in the field.

In last month’s article, “Inside Filter Driers,” which appeared on Page 18 of the Feb. 6 issue of The NEWS, we covered the internal construction, filtering, and drying materials within a refrigerant filter drier. This month, we’ll deal with troubleshooting, service, and replacement of the filter drier.

Not understanding how some electronic controls operate and control a system can lead to misdiagnosing a system problem and costly repairs. It is best never to assume, but rather take the time to do some research and find out exactly how they operate. Guessing is rarely good and generally will lead to a misdiagnosis and cause a tech to replace the wrong part or component.

Design & Construction Week® is the combination of tens of thousands of home builders with thousands of purveyors of everything it takes to build a home.

When it comes to the “megatrends” that are affecting the commercial HVAC sector, changes in refrigerants are near the top of the list.

The explosive growth of smartphones has led to hundreds of apps that can provide instant access to help anywhere and anytime it’s needed.

This year’s show floor spanned 500,159 square feet and welcomed 1,968 exhibitors. Of those, 80 percent displayed new or enhanced products, systems, and technologies.

As contractors become better versed on the benefits of ductless technology, they play a key role in educating homeowners as to why duct-free technology may be a better solution in terms of efficiency and design flexibility.

The ventilation market, much like the rest of the HVACR industry, is being driven by the need for more energy-efficient products.