these people:
http://mesamechanical.com/services.htm ... solve it this way:
"Mesa Service Division performs accurate commissioning, warranty work, and full service equipment maintenance and repair.
After the installation process is completed, Mesa Service performs system commissioning. This process includes start-up by factory-trained personnel, air and/or hydronic balancing, and owner training. For the owner, this means a healthy, efficient building from the beginning.
If the installation was completed by Mesa Construction, the owner can be assured of a product that provides years of quality performance.
Mesa can provide
total or partial maintenance for the user:
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Total maintenance can include everything from centrifugal down inspections, cooling tower treatment and rooftop refrigerant inspections, to computerized maintenance databases.
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Partial maintenance includes the cost-effective integration of your personnel into the building maintenance program."