Technical

A Guide to Understanding HVAC Filter Selection

Effective air filtration provides the primary defense for building occupants and HVAC equipment against pollutants generated within a building as well as pollutants from air drawn into a building from the HVAC system. That’s why selecting the right HVAC filter is so critical.
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Airflow Testing and Certification

Here are methods for performing differential pressure measurement between two rooms or areas; airflow measurement for spray booths, laboratory hoods, and unit ventilators; and other measurements.
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Basics of Airflow

If you work in the HVAC industry, you are concerned with the process of conditioning air and moving air from one area to another. It makes sense that you need to know how air flows in ducts and what factors affect the flow.
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Multimedia

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2015 ACCA Conference

Images from the 2015 ACCA Conference in Grapevine, Texas. Posted on April 8, 2015.

Podcasts

NEWSMakers: Mark Crockett
Mark Crockett vice president, Crockett Facilities Services, explains the importance of technician training, the value of being a top minority-owned company in the U.S., current projects the company is managing, and much more. Posted on April 24.
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ACHRNEWS

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2015 May 4

Check out the weekly edition of The NEWS today!

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Legislation and Regulation

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HVACR INDUSTRY STORE

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2015 National Plumbing & HVAC Estimator

Every plumbing and HVAC estimator can use the cost estimates in this practical manual!

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