Articles by John R. Hall

Staying in Touch With Suppliers

It’s hot and getting hotter. The last thing contractors need during heated times is lack of communication with their suppliers, or even worse, a lack of repair or replacement parts. That’s why it is vital for contractors and suppliers to remain in touch, even if it means a 24/7 relationship.


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Q&A: Condenser Technology

Condensing units were historically described as boxy and boring. But what was once a plain-looking metal box with louvers (and often made too much noise) has been replaced by sleek designs. Does this mean condensing units have come of age?


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MicroGroove Technology Makes Inroads

Bigger is not always better, and one recent example is the new MicroGroove technology, which was introduced in 2010. This technology is defined by smaller diameter copper tubing with enhanced inner surfaces for the purpose of reducing refrigerant charge, minimizing material content and improving heat transfer.


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Chiller Maintenance: Tips from the Pros

HVAC contractors — both residential and commercial — place a great deal of emphasis on system maintenance and how it directly relates to lower operating and service costs. Here some HVAC contractors weigh in with tips that will prevent a lot of unnecessary chiller service or replacement.


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2015 AHR Expo

Photos from the 2015 AHR Expo at McCormick Place in Chicago.

Posted: February 19, 2015

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NEWSMakers: Andy Patron
Andy Patron, partner with FMI Corp., discusses the impact a national labor shortage may have on the mechanical contracting industry. Posted on March 27.
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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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