In fact, if not much thought was given to home design with climate conditioning in mind, you may never be able to keep your home comfortable inexpensively. No, but you should talk to us during the design phase. Minor changes in orientation, window sizes, ductwork routing can make huge differences in comfort levels. In the average 2000 sq. The brand of equipment doesn't matter, they will all last just as long.
Air conditioning is expensive to operate.
With a poorly designed system, cost of operation can be several times as much. If he doesn't appear to have an expertise in system design and comfort, search for another Contractor. Learn about the different brands of equipment. If the Contractor is not planning on using a good brand, search for another Contractor. Look for another Contractor if he seems ambivalent concerning building orientation, window sizing, building and system design.