Ventilation

Duct Dynasty: Btu Formula Basics

The Mathematics Behind Measuring and Verifying Performance

There is a formula for calculating heating Btu and a formula for calculating cooling Btu. Both of these formulas have three components necessary to complete the calculations. Two of the Btu formula components are field measured while the third is a multiplier that is added at the end of the formula.


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Ductwork Products Advance Installation

Advancements in Ductwork, Sheet Metal Fabrication Benefit Installers

With model building codes mandating tighter and tighter ductwork, and with homeowners and building owners desiring increasingly higher efficiencies from their ducted systems, many new products have hit the market to help builders and installers efficiently and effectively meet those requirements. 


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DuctSox Honors Tom Barrow Co. as Rep of the Year

Company Was DuctSox's No. 1 Rep for Its SkeleCore Product Line

Tom Barrow Co. was DuctSox’s No. 1 rep for its SkeleCore product line, an in-duct tensioning system that eliminates sagging and wrinkling of fabric duct runs during idle air-handler periods.


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2015 ACCA Conference

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

Podcasts

NEWSMakers: Clint Schreck

Clint Schreck, general manager, Columbus Worthington Air, Columbus, Ohio, discusses winning Angie’s List Super Service Award, how to handle online reviews, and much more.

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ACHRNEWS

NEWS 05-18-15 cover

2015 May 18

Check out the weekly edition of The NEWS today!

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Legislation and Regulation

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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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