Brian Michael

Brian Michael is the Coleman and Luxaire Brand Manager, Unitary Products Division, Johnson Controls, Inc., Norman, Okla. For information on Coleman products, visit www.colemanac.com. For information on Luxaire products, visit www.luxaire.com.

ARTICLES

Comparing Motor Technologies

Historically, the two predominant motor types have been permanent split capacitor (PSC) single-speed motors and 2.3 electronically commutated motors (ECMs) with variable-speed capability. This article looks at and compares the benefits of constant torque motor technology.
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Comparing Motor Technologies

Historically, the two predominant motor types in the HVAC industry have been permanent split capacitor (PSC) single-speed motors and 2.3 electronically commutated motors (ECMs) with variable-speed capability. A third motor type, constant torque motor technology, is quickly becoming popular.
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Multimedia

Videos

Image Galleries

2015 ACCA Conference

Images from the 2015 ACCA Conference in Grapevine, Texas. Posted on April 8, 2015.

Podcasts

NEWSMakers: Leslie McDowell

Leslie McDowell, director of communications at the Building Performance Institute Inc., discusses the nonprofit organization's new homeowner centric website. Posted on April 10.

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ACHRNEWS

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2015 April 13

Check out the weekly edition of The NEWS today!

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Global Warming

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HVACR INDUSTRY STORE

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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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