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In the September 20, 2021, issue of The ACHR NEWS we look at how proper humidification can affect home comfort. Rooftop retrofits can bring indoor air quality improvements, and hydronics manufacturers are offering a wide array of new products. HVAC contractors face challenges if they mandate vaccines (and if they don’t), and distributors are continuing to drive the e-commerce evolution. Also in this issue: the refrigerant transition, consolidation in the HVAC industry, and the past 50 years of HVAC.

For a full index of articles included, visit the September 20, 2021, issue page.

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