The Heating Myth That’s Been Costing You All Night

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How efficient are HVAC systems in filtering virus

The APS manual highlights concerns about the effectiveness of HVAC system upgrades in mitigating COVID-19 transmission. While authorities have recommended increasing ventilation and upgrading filters to MERV 13, APS questions the necessity and efficacy of these measures.

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This video challenges the long-standing myth that night setback consumes more energy during morning warm-up than it saves overnight. The featured case study demonstrated a 9% reduction in energy consumption, even though outdoor temperatures were lower during the setback period than during the comparison period without night setback. The results provide clear evidence that properly applied night setback can reduce heating energy while maintaining occupant comfort.