Reducing the amount of outdoor air entering a space when an HVAC system is mechanically cooling or heating and an air-side economizer is inactive has distinct advantages. For some spaces, demand-controlled ventilation (DCV) based on changes in occupancy may be desirable. According to one method of DCV, ventilation rate is adjusted based on carbon-dioxide (CO2) level. Unfortunately, many designers do not have a clear understanding of the relationship between CO2 and ventilation and the ...
Register For Free or Sign In to Access
"Printer-friendly" is FREE to access as a registered user on HPAC.com. Why register for HPAC.com? It's simple and free, and provides:
- Access to exclusive articles and news coverage
- The full version of all monthly digital editions dating back to 2010
- Allows you to comment on articles and discuss news with HPAC's editors
- Gain valuable media content and more!