The Cure That May Have Made Things Worse

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DX Cooling Opportunity

HVAC systems that mix fresh air and building return air to varying quantities for cooling purposes often have control logic comparing the total heat content of the outdoor to the total heat content of the return air.

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HVAC mitigation measures implemented for both diseases may, in some cases, increase the risk of infection within occupied buildings. Based on the literature and data searches we have conducted, we have found insufficient scientific evidence to support certain mandated measures. This video examines the available evidence, discusses the potential unintended consequences of these strategies, and explores alternative approaches for improving indoor air quality and occupant health.