The HVAC and IAQ resources below from the Environmental Protection Agency, Center for Disease Control and the World Health Organization, among others, offer guidance, checklists, webinars and more related to efficient and healthy schools.
- EPA IAQ in Schools provides resources including guides, webinars, and checklists on a broad range of topics related to healthy schools. In particular, Indoor Air Quality Tools for Schools describes technical solutions, including HVAC requirements, diagnostics, operation and maintenance, for schools to achieve good indoor air quality. EPA has a series of webinars covering "Plans, Practices, and Principles for Maintaining Healthy Learning Environments" with a focus on reducing risks for airborne infectious disease spread.
- The National Council on School Facilities has informational videos on developing facilities’ plans.
- CDC Ventilation in Schools and Childcare Programs provides recommendations on how to use ventilation and filtration as a COVID-19 prevention strategy. In CDC K-12 Schools COVID-19 Mitigation Toolkit, a list of HVAC assessment questions that schools can use to ensure the safety and health of its students and staff are provided in Checklist #4: Cleaning, Ventilation, and Physical Spaces.
- ASHRAE continues to update its guidance, with the latest Building Readiness Guide released on February 1, 2021. Specific recommendations for Reopening of Schools and Universities were published on October 7, 2020 (note: some details provided in Building Readiness Guide, such as the concept of filter droplet nuclei efficiency, is yet to be included in Reopening of Schools and Universities at the time of writing).
- WHO Roadmap to improve and ensure good indoor ventilation in the context of COVID-19 recommends ways to assess ventilation and steps to reach the recommended levels in order to reduce transmission risk.