AC Repair Services › AC Contactor Replacement Service
AC Contactor Replacement Service in Arlington, TX
The AC contactor is a high-voltage switch inside your outdoor unit that clicks on every time the thermostat calls for cooling. Contactors fail in two ways — they burn open and the compressor won't start, or they weld shut and the compressor runs continuously even when it shouldn't. Either failure damages the compressor over time. It's a straightforward part to replace, but the voltages involved require proper handling and a correct-spec replacement part.
Arlington AC Repair Pros provides AC contactor replacement service for homeowners across Arlington, TX. Call for a free inspection and a written quote before any work begins.
When to Call
When You Need AC Contactor Replacement Service
- The outdoor unit hums but the fan and compressor never actually kick on
- Your AC runs continuously and won't shut off even when the thermostat is satisfied
- You can see visible burn marks or pitting on the contactor points during a visual check
- The outdoor unit clicks repeatedly but fails to start on hot afternoon power cycles
How It Works
Our Process for AC Contactor Replacement Service
- 1
Electrical Safety Lockout
We disconnect power at the disconnect box and verify with a meter that voltage is absent before opening the unit panel.
- 2
Contactor Inspection
We pull the contactor and inspect the contact points for pitting, welding, or burn marks that confirm it as the failure point.
- 3
Spec Match and Replacement
Replacement contactor is matched to the original's amperage and coil voltage rating, not just grabbed by physical size alone.
- 4
Operational Test
We restore power and cycle the thermostat to confirm the contactor pulls in cleanly, holds, and releases correctly on shutoff.
Arlington Context
Why this matters in Arlington
Arlington summers put outdoor units through hundreds of on-off cycles daily during peak heat. That cycling wears contactor points faster than manufacturers' estimates assume, making this one of the more common summer repairs here.
Straight Talk
About pricing & scope
Contactor replacement is generally a predictable repair, but if the compressor sustained damage from running on a welded contactor, additional diagnosis is needed. We'll tell you what we find before proceeding.
What This Fixes
Problems We See in Arlington
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