HVAC

AC repair in Dallas-Fort Worth

Most residential AC failures come down to a handful of parts: a capacitor or contactor, a control board, the outdoor condenser fan motor, or the indoor blower motor.

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AC repair in Dallas Fort Worth

Most residential AC failures come down to a handful of parts: a capacitor or contactor, a control board, the outdoor condenser fan motor, or the indoor blower motor. Lantern posts a starting price for each of those that includes the part and the labor, and confirms the final number in writing before the work starts.

What this covers

  • Capacitor and contactor replacement, including a complete electrical components test of the outdoor condenser
  • Contactor and control board replacement, with one starting price for logic and defrost boards across all major residential brands
  • Condenser fan motor replacement, priced all-inclusive across both the motor and the exact labor time
  • Indoor ECM blower motor replacement, with no separate programming or calibration fee

Upfront pricing

What AC repair costs.

Each starting price below covers parts and labor for a standard job. No hourly rate, and we confirm the final number in writing before any work starts. The bar under each price shows the usual Dallas Fort Worth price range for the same work and where our starting price sits in it, so you can compare before you call anyone.

  • AC Capacitor or Contactor

    Includes a complete electrical components test of the outdoor condenser.

    Starting at $185
    Below the usual DFW range
    $220 $380
    DFW price range $220 to $380.

  • Contactor / Control Board

    One starting price for logic and defrost board replacements across all major residential brands.

    Starting at $345
    Lower end of the DFW range
    $300 $650
    DFW price range $300 to $650.

  • Condenser Fan Motor

    All-inclusive pricing covering both the motor and the exact labor time.

    Starting at $525
    Lower end of the DFW range
    $500 $950
    DFW price range $500 to $950.

  • Indoor Blower Motor (ECM)

    High-efficiency variable speed motor replacement with no hidden programming or calibration fees.

    Starting at $895
    Lower end of the DFW range
    $800 $1,600
    DFW price range $800 to $1,600.

Real work

Replacing a failed attic supply plenum

Fort Worth, TX, October 2026

Why they needed it

The supply plenum is the box on the air handler that feeds every supply duct. This one was fiberglass duct board, and its seam at the air handler collar had pulled completely apart, with the old foil tape and mastic split open. The lower seam had torn too, tight against the framing and the attic decking, so cooled air was blowing straight into the attic. A system in that state runs longer, cools the far rooms poorly, and pulls hot attic air into the house.

What we did

Disconnected the air handler from its power and control wiring, the overflow float switch and the condensate line, and shifted it on its platform to reach the whole collar. Tore out the failed duct board plenum and installed a new insulated 26-gauge sheet metal supply plenum with new start collars. Screwed it to the air handler flange every 4 inches, hung it and its take-offs on their own straps, and sealed every seam, collar and flange with fiberglass mesh and a continuous coat of duct mastic. Reconnected the system and checked static pressure.

About the price on this job: The starting prices on the AC repair page are for repair parts. This job was a different kind of work: the air handler was disconnected and shifted, and the duct board plenum was replaced with an insulated sheet metal one, then screwed, strapped and sealed. Plenum work is quoted in writing after a look in the attic, before any work starts.

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On site

Photos from this job.

Supply plenum seam pulled apart at the air handler collar, with the old foil tape and mastic split open
Before. The seam at the air handler collar had split open, tape and mastic torn apart.
Torn lower seam of a duct board supply plenum wedged tight against the attic framing
Before. The lower seam tore right against the framing, where no patch could reach.
Old fiberglass duct board plenum torn open during removal, with shredded board around the duct take-offs
During. The old duct board coming out, brittle and torn away from the take-offs.
New sheet metal supply plenum at the attic air handler, coated in gray duct mastic with the flex duct connection sealed
After. The new metal plenum, screwed to the air handler, strapped, and sealed in mastic.

FAQ

Common AC repair questions.

A system that runs without cooling usually points at the outdoor unit rather than the thermostat. A failed capacitor or contactor stops the compressor or condenser fan from starting, and a failed condenser fan motor lets the system run while shedding no heat. All three are separate repairs with their own starting price, so a diagnosis tells you which one applies.
No. The ECM blower motor price is all-inclusive and covers programming and calibration. There is no separate fee for it.

From the blog

Related reading.

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