Articles by Jim Wheeler

The Roots Of Air Conditioning

The first large-scale electrical air conditioning system was invented by Willis Carrier.
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The Refrigerant Recovery/Reclaim Dilemma

We may not have R22 for future servicing needs.
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The 2010 AHR Expo Part 2 - Other Interesting Products

I predict indoor micro-channel coils to be the inevitable future of our industry.
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The 2010 AHR Expo Part 1 -The Water Side?

This year’s AHR Expo was largely a hydronics show.
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Whole-House Corrugated Stainless Steel Gas Pipe

This product has consistently gained market share.
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Where is My Energy Savings?

Most new HVAC systems operate at about 40% lower efficiency than their rating.
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Piston Or Scroll Compressors

I could see that scroll compressors would provide both higher efficiencies and greater reliability.
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Why Furnace Heat Exchangers Fail

It’s best to find a clean source for furnace combustion air.
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Mapp Gas Or Oxygen-Acetylene Brazing?

Each has its own unique advantages.
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HVACR Distribution And The Internet

It’s time to get away from those boring home pages.
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BNP Media's Plumbing Group Visits Grundfos North American Headquarters

BNP Media’s Plumbing Group, comprised of the Plumbing & Mechanical, Supply House Times, PM Engineer (pme) and Reeves Journal brands, recently visited Grundfos’ new North American headquarters building in the western Chicago suburb of Downers Grove, Ill.

8/26/14 1:00 pm EST

Free Webinar: Low Temperature Heat Emitter Options in Hydronic Systems

With proper design, you can create systems that require supply water temperatures no higher than 120° F under design load conditions.

Supply House Times

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2014 December

The December issue of SHT featured Supply House Times on the Road: AD Chairman and CEO Bill Weisberg talks inspiration at annual meeting; Distributor roundtable: Smart bets; and much more!
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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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