healthy ventilation
building operation during COVID-19
While COVID-19 continues to threaten public health, safe ventilation practices are key to reducing virus transmission in buildings.
Management and facility staff should be aware of ASHRAE's safe building operation guidelines for modifying HVAC operations to mitigate virus transmission and adapt them to their buildings.
We offer several free resources for developing healthy building operation procedures and consulting services for expert planning and verification of safe ventilation practices.

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recommendations for COVID-19 mitigation in buildings
Before implementing any recommendation, we advise you seek assistance from a qualified building professional or engineers such as ourselves to ensure occupant safety.
When facing limited funds to mitigate COVID-19 in your buildings, we recommend prioritizing efforts in the following order.
questions on healthy ventilation practices?
operations changes
manage COVID-19 mitigation impacts
COVID-19
building operation services
We can help you plan and implement safe ventilation practices and manage any operational impacts of mitigating COVID-19.

building
readiness & implementation
Ensure safe ventilation rates and filtration with HVAC systems evaluation, testing and implementation services. We can also help plan future building repairs/remodels to be pandemic ready.
Reopening readiness assessments include the following:
- Review mechanical design
- Test existing system performance against original design
- Deliver report and present findings of existing conditions and recommendations including:
- Adjustments to existing HVAC systems
- Added filtration
- Increased ventilation
- New/modified HVAC systems
- Additional mitigation efforts (UVGI, Ionization, etc.)
safe building
operations training
Train facility staff or educate management on safe COVID building operation practices and impacts. We provide remote training and presentations tailored to your facility type.

start verifying your HVAC systems
Ready to get started planning or verifying your safe ventilation operation? Have questions?
free tools
additional resources
These tools and resources can help inform your plan and efforts navigating the changing pandemic landscape.

related reading
guides & recommendations
How to Operate Your Building Safely and Efficiently Through the COVID Era Guide.
Download our free guide on how to safely operate HVAC systems to maximize occupant safety.
Whitepaper: The Wells-Riley Equation and Covid-19: Reducing Risk in Indoor Environments.
Read about how this equation can help building operators understand the effect of different strategies to reduce the spread of COVID-19 through building HVAC systems.
COVID-19 Building Operation Blog Posts.
Deep dive into relevant posts from our engineers.
calculators
free tools
Outside Air Ventilation Load Estimator. Learn more about the impacts on your building load when adjusting outside air percentages with our free ventilation load estimator.
Probability of Infection Calculator. Learn more about the estimated effectiveness of different strategies to reduce the spread of COVID-19 in buildings.


ASHRAE
COVID-19 response resources
- Epidemic Task Force Resources.
Review building operation recommendations and other resources which includes guidance around using UV light.
Based on our experience, we recommend careful consideration around its application and suggest reading more about UV-C light effectiveness here.
- Standard 62.1.
Review the Standard on ventilation for acceptable indoor air quality.
- HVAC and COVID-19.
Review ASHRAE’s position on factors impacting the spread of COVID-19 through HVAC.
get your free COVID-19 safe building operation guide
By submitting my email, I agree to receive occasional emails from kW Engineering.