UC Davis Western Cooling Efficiency Center:
Faults in Commercial Packaged AC Systems Survey
Thank you for participating in our survey about faults in SMALL COMMERCIAL building packaged AC systems. Please think about all the times you, your workers, or your customers encounter an RTU, whether it's routine maintenance or a service call. Answer the following question for each of the faults listed. Don't worry, we don't expect you to know exact numbers, just use your judgment and gut instincts.
WHAT PERCENT OF EXISTING COMMERCIAL RTUS HAVE THE FOLLOWING FAULTS?