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<br /> In this issue: Leaders in HVACR Hydronics & Innovation<br /> HELPING HVACR MANAGERS RUN<br /> BETTER BUSINESSES SINCE 1944<br /> MAY 2021<br /> contractingbusiness.com <br /> Commercial IAQ:<br /> Best Practices & Precautions<br /> · Home Certification<br /> · Charlie Greer on KPIs<br /> · Matt Michel: Inflation &<br /> Your Business<br /> LIKE YOU, THE<br /> SuperEvac™ PLUS II<br /> IS ALWAYS READY.<br /> MADE IN<br /> THE USA<br /> The integral DC motor means power on demand…<br /> even in tough conditions. High efficiency equals less<br /> wear and tear over time. Lightweight puts less strain<br /> on you. The SuperEvac™ PLUS II gets the job done.<br /> · OPERATES IN LOW VOLTAGE CONDITIONS<br /> · HANDLES EXTREME TEMPERATURES<br /> · 20% LIGHTER WEIGHT THAN AC PUMPS<br /> · A2L SYSTEM COMPATIBLE<br /> To learn more, connect at yellowjacket.com<br /> New?<br /> Yes.<br /> Improved?<br /> Goodness<br /> yes.<br /> Introducing the new Ameristar. De<a title="May 2021 page 1" href="https://secure.viewer.zmags.com/publication/c159a5ab?page=1"> In this issue: Leaders in HVACR Hydronics & Innov</a> <a title="May 2021 page 2" href="https://secure.viewer.zmags.com/publication/c159a5ab?page=2"> LIKE YOU, THE SuperEvac™ PLUS II IS ALWAYS READY.</a> <a title="May 2021 page 3" href="https://secure.viewer.zmags.com/publication/c159a5ab?page=3"> New? Yes. Improved? Goodness yes. Introducing </a> <a title="May 2021 page 4" href="https://secure.viewer.zmags.com/publication/c159a5ab?page=4"> > CONTENTS In this issue: Leaders in HVACR Hydron</a> <a title="May 2021 page 5" href="https://secure.viewer.zmags.com/publication/c159a5ab?page=5"> </a> <a title="May 2021 page 6" href="https://secure.viewer.zmags.com/publication/c159a5ab?page=6"> contractingbusiness.com NEW DIGITAL CONTENT </a> <a title="May 2021 page 7" href="https://secure.viewer.zmags.com/publication/c159a5ab?page=7"> </a> <a title="May 2021 page 8" href="https://secure.viewer.zmags.com/publication/c159a5ab?page=8"> > FIRST WORD BY TERRY MCIVER, EDITOR-IN-CHIEF T</a> <a title="May 2021 page 9" href="https://secure.viewer.zmags.com/publication/c159a5ab?page=9"> Healthier Indoor Air is the Answer Greenheck prov</a> <a title="May 2021 page 10" href="https://secure.viewer.zmags.com/publication/c159a5ab?page=10"> > FROM THE FIELD Harris Acquires HVAC Controls &</a> <a title="May 2021 page 11" href="https://secure.viewer.zmags.com/publication/c159a5ab?page=11"> Dual Barrier, Dual Benefit Easier maintenance an</a> <a title="May 2021 page 12" href="https://secure.viewer.zmags.com/publication/c159a5ab?page=12"> > EDITOR'S NOTEBOOK: MANUFACTURER NEWS 11 in HVA</a> <a title="May 2021 page 13" href="https://secure.viewer.zmags.com/publication/c159a5ab?page=13"> </a> <a title="May 2021 page 14" href="https://secure.viewer.zmags.com/publication/c159a5ab?page=14"> > EDITOR'S NOTEBOOK: PRODUCTS Ventilation for L</a> <a title="May 2021 page 15" href="https://secure.viewer.zmags.com/publication/c159a5ab?page=15"> Now Live! 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