Selecting the right contractor is critical to the performance of your new HVAC system. The contractor is responsible for determining the type and size of the system and explaining your options as well as installing the system. A good contractor also should provide a warranty and after-sale service. Here are some tips on identifying the right contractor for the job:
• Ask about the licensing and qualifications of prospective contractors. Is the contractor state-licensed? Is the contractor a member of state and national contractor associations, such as Air Conditioning Contractors of America (ACCA)? Is the contractor adequately insured?
• Make sure that the contractor inspects your home and your existing system, and explains your options.
• Ask the contractor for the estimated annual operating cost of HVAC systems with different efficiencies (SEERs and HSPFs). This information will help you determine the total cost of each system over the lifetime of the unit.
• Make sure the contractor has adequate staff to install the system and respond promptly to service calls. What guarantees, warranties and followup service are offered? Warranties vary, so it’s important to know what is included in the warranty and what is not. Ask about a maintenance service agreement—what does it cost and what does it cover?
• Are the technicians NATE (North American Technician Excellence) certified? Are they familiar with the brand of equipment that you want to buy? Will they perform load calculations, duct design and installation using industry-standard methods?
• Get three written estimates for the work: what is being done, what equipment is being provided and when installation will begin and be completed. Understand what is included in each price. Remember that the best value may not necessarily come from the contractor that offers the lowest price. Consider the cost of operating the system as well as the initial cost.
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