DIY Air Conditioner Repair

Our experts explain how to repair the most common causes of central air conditioner failures.

Required Tools for this Project

Have the necessary tools for this DIY project lined up before you start—you’ll save time and frustration.

  • Socket/ratchet set
  • Insulated screwdrivers (2)
  • Adjustable wrench
  • Drill/driver, cordless
  • Needle-nose pliers
  • Voltage tester
  • Nut driver

You'll also need a multimeter.

Required Materials for this Project

Avoid last-minute shopping trips by having all your materials ready ahead of time. Here's a list.

  • Compressed air
  • Fuses
  • Capacitor
  • Contactor
  • Condenser fan motor