All too often outside air requirements are established as an unmeasured cfm value; this ultimately ends up being set as an outside air damper or economizer minimum position. During certain conditions this may be too much fresh air or not enough. By monitoring CO2, return air, or individual sensors, outside air amount can be determined by actual need.
Photos from the 2013 ACCA Conference & IE3 Expo in Orlando, Fla.
Podcasts
Cade Clark, assistant vice president of government affairs for the Air-Conditioning, Heating & Refrigeration Institute (AHRI), gives a brief overview of the new version of the Shaheen-Portman bill, what AHRI thinks of the energy-efficiency legislation, and how it might affect the HVACR industry if it becomes law.
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