Articles by Jim Bergmann

Making Service Profitable With the Right Tools, Part 2

Part 1 of this series discussed methods to significantly reduce recovery times and brazing techniques to significantly reduce the time required for evacuation. This article covers system commissioning, including tools and techniques that reduce the time required for pressure testing, evacuation, setting airflow, charging, and performance testing.
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The Case for Owning a Thermal Imager

“Dang it! Not again,” you are thinking, turning into the Water Berry Crest development for the sixth time this month. You cannot help but wonder what you are missing. You pull out your BlackBerry and dial up Steve, your buddy who is an electrician, and ask him about using his thermal imager.
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Measuring System Performance Digitally

The impact of HVAC is so significant, that it is leading utilities, building scientists, and others into the realm of HVAC system performance evaluation. Contractors that cannot measure system performance may find themselves at odds with these communities. Simply put: HVAC performance testing is quickly becoming a necessity.
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The Digital Dilemma

If we are going to fix the problems we have in this industry, we really shouldn’t use the same tools we used to create them. Analog gauges have brought us to this point, and will keep us here if we let them. Simply, analog gauges cannot do the job as evidenced by the success we have had using them.
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New Furnaces Need Love Too

There is still a lot of mechanical satisfaction to be had from maintaining and fine-tuning today’s gas appliances. As an example, in part one (Jan. 15), I described a service contract call for one particular customer, a retired English teacher named Mrs. Johnson.
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2014 World Energy Engineering Congress

Scenes from the 2014 World Energy Engineering Congress in Washington, D.C.

Podcasts

NEWSMakers: John Lanier

John Lanier of North American Technician Excellence (NATE) stops by the NEWS’ booth at the AHR Expo to discuss NATE’s presence at the show, what’s coming up in 2015, and much more. Posted on Feb. 20.

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ACHRNEWS

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2015 February 23

Check out the weekly edition of The NEWS today!

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Mobile Workforce

Mobile devices and field management software are spreading in the HVAC industry. Are you utilizing this technology?
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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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