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Boost Air And Plumbing logo — HVAC company in Arlington, TXBoost Air And Plumbing
AC repair in progress on a residential condenser by Boost Air And Plumbing

AC Repair

AC Capacitor Replacement in Arlington & Grand Prairie, TX

When your outdoor unit starts humming but the fan wont spin, you likely have a blown capacitor. We provide fast, reliable AC capacitor replacement to get your home cooling again before the North Texas heat takes over your living room.

What neighbors say

What Our Customers Are Saying

The Most Common Cause of AC Not Cooling Repair

In the middle of a July heatwave across North Texas, your capacitor is the hardest-working part of your system. It acts like a temporary battery, providing the high-voltage jolt needed to kick-start the compressor and the fan motor. When the temperature on your concrete pad hits 110 degrees, these small metal canisters often reach their limit. They start to swell or leak oil, leaving you with an AC not cooling repair that needs immediate attention.

If you hear a loud humming sound coming from your outdoor unit, do not let it keep running. A failed capacitor prevents the motor from spinning, which causes the internal windings to overheat. This can lead to a permanent compressor failure if you do not catch it early. Most of our service calls involve Trane, Carrier, or Goodman units where the capacitor simply gave out under the Texas sun.

Boost Air technician diagnosing an AC condenser during a repair call

Professional Diagnosis for Reliable Air Conditioner Repair

We do not just guess and swap parts. Our NATE-certified technicians use calibrated multimeters to check the exact microfarad output of your run capacitor. If a 45/5 dual-run capacitor is only putting out 38 microfarads, it is out of the safe tolerance range. Replacing it now prevents a total system breakdown during the peak of the afternoon.

While we have the cabinet open, we also look at your contactor and electrical leads. Heat causes wires to become brittle and terminal ends to corrode or pit. We clean these connections to ensure your new part lasts as long as possible. This thorough approach is what sets our air conditioner repair service apart from contractors who just want to get to the next job.

Boost Air technician performing service in North Texas

Choosing High-Quality Parts for Texas Summers

Generic capacitors often fail within a single season because they cannot handle the high ambient temperatures found in DFW. We use high-voltage rated capacitors, typically 440V, even if your system originally came with a 370V part. The higher voltage rating means the component is more durable and runs cooler under heavy load. It is a small upgrade that makes a massive difference in reliability.

We carry a full inventory of parts for Lennox, Rheem, and A.O. Smith motors on every service truck. This means we can usually finish your air conditioning repair in a single visit without waiting for a supply house to open. We know that every hour without air conditioning in North Texas feels like an eternity. Our goal is to get the power back to your compressor immediately.

Boost Air And Plumbing fleet vehicle serving the DFW Metroplex

Transparent Pricing on Every Air Conditioning Repair

Nobody likes a surprise when the bill arrives. At Boost Air and Plumbing, we provide a clear price for the AC capacitor replacement before we ever turn a screwdriver. You will know exactly what the diagnostic fee and the part replacement cost will be. We have built our reputation over 10 years by being honest about what your system actually needs to run correctly.

Our EPA 608 certified technicians are trained to spot the difference between a simple capacitor failure and a failing motor. If your fan motor is pulling too many amps, we will tell you. We want your system to be safe and efficient. For dependable service from a local team with over 200 five-star reviews, give us a call today.

AC repair in progress on a residential condenser by Boost Air And Plumbing

What you get

  • Replacement with high-quality 440V run capacitors for better heat tolerance.
  • Full electrical inspection of the contactor and fan motor connections.
  • Voltage and amperage testing to verify the motor is drawing correctly.
  • Clear flat-rate pricing provided before any parts are swapped out.
  • Prompt arrival with fully stocked trucks to fix it immediately.

How it works

  1. 1We safely disconnect power to the condenser and discharge the stored electrical energy.
  2. 2Our technician uses a multimeter to measure the microfarads against the factory ratings.
  3. 3The failed component is swapped for a heavy-duty capacitor that matches the motor specs.
  4. 4We restart the system and measure the motor amp draw to ensure performance.

Related services

Why call us

  • • 10+ years in DFW
  • • TDLR / TSBPE licensed
  • • Flat-rate, written pricing
  • • Same-day weekday service
  • • Financing on qualifying jobs
Call (817) 839-4672

FAQs

Frequently asked questions

Need AC Capacitor Replacement in Arlington or Grand Prairie Today?

Call Boost Air and Plumbing at (817) 839-4672 for fast service today.

ServingArlington HVACandGrand Prairie HVACwith same-day dispatch.

Visit our shops

Two DFW locations serving the entire Metroplex

Boost Air And Plumbing dispatches trucks from our Arlington main office and our Grand Prairie shop, covering Tarrant and Dallas counties with same-day HVAC and plumbing service. Call (817) 839-4672 for either location.

Arlington (Main Office)

Boost Air And PlumbingArlington, TX

  • 2313 Michigan Ct
    Arlington, TX 76016
  • (817) 839-4672
  • Mon–Fri: 8:00 AM – 6:00 PM
    Saturday: 9:00 AM – 6:00 PM
    Sunday: Closed
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Grand Prairie

Boost Air And PlumbingGrand Prairie, TX

  • 2100 TX-360 Ste 907
    Grand Prairie, TX 75050
  • (817) 839-4672
  • Mon–Fri: 8:00 AM – 6:00 PM
    Saturday: 9:00 AM – 6:00 PM
    Sunday: Closed
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