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This is how to determine the outdoor air cfm without an airflow monitor. In this HVAC test example, we calculate the Outdoor Air (OA) CFM by knowing the outdoor air temperature, the return air temperature, the supply air temperature, and the supply air CFM. #hvac #hvactechnician #hvaclife #hvactech | Tony Mormino
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This is how to determine the outdoor air cfm without an airflow …
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