David Callender

David Callender is a NATE-certified technician with more than 30 years of service experience in commercial HVACR. He is a Certificate Member Specialist of RSES and is a technical support supervisor for ICOR International. For more information, go to www.icorinternational.com.

ARTICLES

The Way You Recover R-22: Does It Save Time or Is It a Shortcut to Failure?

July 2, 2012
Whether we like it or not, R-22 is going away, and technicians need to look at their best options and solutions to work with the phaseout. One option available to all competent service technicians is to recover and recycle refrigerant.


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TXV Retrofit Kits Save Energy

August 3, 2009
Independent testing on three different types of residential equipment has shown a 15-26 percent increase in efficiency just by replacing the fixed-orifice-metering device with a new TXV valve. No other work was done to this equipment to increase the EER.
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2014 MCAA Annual Convention

Scenes from the 2014 MCAA Annual Convention in Scottsdale, Ariz.

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Kyle Gargaro, editor-in-chief of The NEWS, hosted the 2014 ACCA CEO Forum. At the event, six well-known, highly respected company executives, Gary Michel, Ingersoll Rand/Trane; Chris Nelson, Carrier Corp.; Chris Peel, Rheem Mfg. Co.; Rod Rushing, Johnson Controls; Brent Schroeder, Emerson Climate Technologies; and Doug Young, Lennox; provided individual industry outlooks and fielded questions directly from attending contractors. Listen to the entire event on the NEWSMakers podcast. Posted on April 14.

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2014 April 14

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2014 National Plumbing & HVAC Estimator

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

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