"If at first we don't succeed, we'll definitely try again." This is something no customer wants to hear from a contractor, especially in the middle of July when the rooftop unit has fizzled out again. Your company is the third one out this month, and no one can seem to make the unit do anything it is supposed to do, cooling included. In spite of a good maintenance program, the unit just isn't operating efficiently. What could be the cause of all this inconvenience and expense? Improper installation.
Once the load is properly calculated and the units have been chosen, they must be placed on a firm foundation. Roof curbs and curb adapters need to be considered, along with electrical wiring and condensate drain hookup. The unit is then delivered, lifted into place, installed, and then the complete system should be tested and balanced. Maintenance contracts are signed and the customer is happy. What more could there be?