Perform an on-site inspection of the job you want done and provide a detailed bid in a timely manner.
Demonstrate to you that they are licensed and insured to repair or install heating and cooling equipment (many states require this).
Be able to provide their certification for refrigerant handling, required since 1992.
Have several years of experience as a business in your community.
Provide examples of quality installation of energy-efficient heating and/or cooling equipment work, with names of customers that you can contact.
Complete and submit the warranty information card on your behalf.
Get Quality and Value.
Have the contractor:
Show you a layout of where the equipment is going to be installed.
Determine the size of your new equipment using ACCA/ANSI
Manual J , or an equivalent sizing calculation tool.
Check refrigerant charge using pressure and temperature measurements.
Explain the financial benefit of installing ENERGY STAR qualified equipment.
Diagnose and repair your duct system, if needed.
Provide financing for the purchase, if necessary.
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