ASHRAE’s guidance for operating buildings during the COVID era encourages building operators to adjust their outside airflow intake rate (OA %) as much as their cooling and heating systems can handle, up to 100% if possible.
We developed this quick analysis tool to help building operators across the U.S. understand the impact of modifying the OA % will have on their building’s heating, ventilation and air conditioning (HVAC) systems before making changes.
By following the simple steps within the tool, users can adjust their OA % and observe space conditioning (cooling and heating) limitations based on outdoor air temperatures. The video below provides step-by-step instructions.
Enter your email below to download the tool. You can also find additional COVID resources here.
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This calculator tool uses a few basic building inputs to determine the design cooling and heating conditions. These inputs include:
Increasing outside airflow into a building, especially when it is hot, cold, or humid outside, could make it uncomfortable if the HVAC systems can’t “keep up.” This can lead to conditions that allow viruses, like coronavirus, to live longer in the air. Read more about using this tool for effective building operations mitigating COVID.
The previous version of the Outside Air Ventilation Load tool has only California weather data which includes more granular climate zone data. Enter your email to download the CA version below.
We never sell or share your email and only send relevant content on occasion. You may unsubscribe at any time.