Harry Parker

Harry Parker has been in the HVACR industry for more than 30 years and has been a trainer in the industry for some 27 years. Presently he is a freelance trainer. He may be reached at const_trainer@yahoo.com.

ARTICLES

Refrigeration Defrost Control

When a refrigeration system is designed to maintain a product temperature at or below the freezing temperature of water, there will always be a necessity for the system evaporator to be defrosted at some sort of interval (due to the fact that air may contain large quantities of moisture).
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Multimedia

Videos

Image Galleries

2015 ACCA Conference

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

Podcasts

NEWSMakers: Clint Schreck

Clint Schreck, general manager, Columbus Worthington Air, Columbus, Ohio, discusses winning Angie’s List Super Service Award, how to handle online reviews, and much more.

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ACHRNEWS

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2015 May 18

Check out the weekly edition of The NEWS today!

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Legislation and Regulation

What legislative/regulatory issue is most important to you as a HVAC business owner?
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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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