![](/sites/default/files/HVAC%20ASHRAE%2062.1%20app.jpg)
$19.99
From the American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE) comes this compliance aid to help HVAC workers adhere to the ASHRAE standard for ventilation for acceptable indoor air quality. It performs minimum ventilation rate calculations based on the 2007 and 2010 versions of the standard.
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