Air Conditioner Not Turning On?

Need HVAC help? If your heater or AC won’t turn on, try these steps.

Step 1: Check your breaker or fuse box.

If your breaker is tripped, flip to off first and then to on.

If it immediately trips again, shut down and call a technician.

Step 2: If your thermostat has batteries, replace them.

Step 3: Check near your condenser to see if your AC has a disconnect switch. If so, make sure it’s turned on.

Step 4: Still no luck? Shut it down and call in the Sears experts at 888-831-7779.

Other possible reasons your AC won’t start:

  • The lever on the box attached to the outside of the house near the condenser is in the Off position (that’s the one you switch to Off in fall an On in spring—although if you have a heat pump system, you would not turn it off).
  • Newer central AC units have a safety switch shut off the condenser if the condensate drain tube is clogged.

Visit our blog for more tips to make your HVAC system work harder and live longer.

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