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 ACI Home Performance Conference

The 2014 ACI National Home Performance Conference & Trade Show was held in Detroit.

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NEWSMakers: Michael Willburn

Michael Willburn, president, Infloor Heating Systems, joins the program to discuss his company, radiant heating, industry trends, and whether contractors are becoming more interested in radiant heating. Posted on July 11.

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NEWS 07-21-14 cover

2014 July 21

Check out the weekly edition of The NEWS today!

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R-22 PHASEOUT POLL

Some in the industry are calling for the EPA to halt production of R-22 as of 2015. What do you think?
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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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