ASHRAE 62.1 is the standard for Ventilation and Acceptable Indoor Air Quality
This standard provides the minimum requirements for acceptable indoor air quality.
ASHRAE states:
“The standard provides procedures and methods for meeting minimum ventilation and IAQ requirements to engineers, design professionals, owners, and jurisdictional authorities where model codes have been adopted.”
When designing a product like a Dedicated Outdoor Air System, it is important to follow standards such as ASHRAE 62.1 to achieve healthy clear air.
You may find this standard has been adopted in local building codes.
When looking at ASHRAE Standards when designing your system, do not let it be the final goal. Remember ASHRAE standards are about setting MINIMUM requirements. You should always look to exceed them.