Articles by Kari Petyak

Preventing 'White Rust' on Galvanized Steel Cooling Towers

For over 50 years, evaporative cooling products have been manufactured from hot-dip galvanized steel. Life expectancy of these units, when properly installed and maintained, has been excellent. In recent years, however, there have been reports of “white rust.” The critical fact that needs to be recognized is that white rust is preventable.


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2015 HARDI Fly-In

Highlights from HARDI's Congressional Fly-In in Washington, D.C.

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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 June 1

Check out the weekly edition of The NEWS today!

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HYDROCARBON REFRIGERANTS

The EPA has approved several hydrocarbon (HC) refrigerants for HVACR applications. Do you support the use of HCs?
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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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