COVID Ventilation Plan
prepared on 4/19/21
updated on 9/20/21
Plan based on CDC and ASHRAE Recommendations
ASHRAE = American Society for Heating Refrigeration and Air-Conditioning Engineers
Public Health Guidance
- Follow Public Health Guidance. Wear masks, wash hands, and maintain social distancing
HVAC - Filtration
- Use MERV-13 (single filter or equivalent combination) or better filtration for recirculated air systems
- Ensure that filters are in good condition, have minimal gaps, and are installed in proper direction
HVAC - Additional Air Cleaning
- Provide portable HEPA filters in shared offices, shared spaces, and/or classrooms upon request
HVAC - System Operation
- Perform daily flush before occupied hours, minimum 2 hours
- Disable or limit demand controlled ventilation (DCV) at air handlers and possibly at the zone level if systems have adequate capacity
HVAC - Ventilation
- Provide code required outdoor air flow rates. Retain services of balancing/engineering firm to confirm ventilation rates, outside air damper operation, room airflow, etc. for targeted buildings and systems.