Pre-Service Checklist

Before Your Supreme Service Technician Arrives
Take a moment to make sure you're prepared for the appointment by following these steps.  

  1. Know where all of the units in your heating and cooling system are located.
  2. Perform basic troubleshooting tactics.
  3. Check your air filter. A dirty air filter is a common cause of problems.
  4. Write down model numbers of all your heating or cooling products.
  5. Be ready to explain clearly what symptoms or problems you have had.
  6. Know how long ago your problem began.
  7. Make sure the system is accessible for the service tech. If there is something blocking any of your products, please remove it.
  8. If your system is in an attic or crawl space, please make it easily accessible.
  9. Lock pets in a separate room so they don't get in the way or get hurt.
  10. Make sure there's an adult (18 or over) home to legally allow entry to your home.
  11. Be prepared to answer the phone. Many technicians will call to confirm the appointment on their way.
  12. If you rent your home, make sure you have your landlord's permission to have your system serviced.
  13. If your heat pump is frozen, shut it off before the technician arrives so it's thawed and ready for service.
  14. Make available a file containing information on all prior services on your system.

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