Repairs · Richardson, TX

HVAC Repair in Richardson

Compare licensed HVAC repair pros in Richardson, TX. Typical repair tickets run $702–$7,150.

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Common HVAC repairs in Richardson

  • Heat pump not cooling on humid summer days — low refrigerant, frozen coil, or failing capacitor.
  • Furnace short-cycling in winter — dirty flame sensor, oversized equipment, or thermostat miscalibration.
  • AC blowing warm air — condenser-fan failure, tripped high-pressure switch, or refrigerant leak.
  • Uneven temperatures room-to-room — failing zone damper, duct leakage, or blower-motor issue.
  • Loud banging, squealing, or grinding from the air handler — bearings, belt, or blower-wheel imbalance.
  • Thermostat shows the right setpoint but the system won't start — control board, transformer, or wiring fault.
  • Water pooling at the air handler — clogged condensate drain or cracked pan.
  • Frozen evaporator coil that keeps icing over — airflow restriction or low charge.

Ranked shortlist

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  1. L&S Mechanical storefront photo
    4.9 (2,098 reviews)Serves Richardson, TX
    installationrepairinspectionemergency
    What customers say
    Christopher did an outstanding job. Not only did he troubleshoot and remedy my problems he went above and beyond to…
  2. CityLine Air Conditioning storefront photo
    5.0 (639 reviews)Serves Richardson, TX
    What customers say
    Travis was an exceptional technician! He took the time to thoroughly explain what was wrong with my heating system in a…
  3. AC Pros storefront photo
    AC ProsTop rated
    4.8 (1,088 reviews)Serves Richardson, TX
    What customers say
    Paul Hutton, the service representative was awesome. He was very professional, friendly and knowledgeable . He was…
  4. TemperaturePro storefront photo
    4.9 (421 reviews)Serves Richardson, TX
    What customers say
    10 November 2025 Where do I start? From day one of the initial install of our three HVAC systems, Moe has been…
  5. The Right Choice Heating and Air Inc. storefront photo
    4.9 (278 reviews)Serves Richardson, TX
    installationrepairemergency
    What customers say
    The tech was very smart and knew how to tell me what the cost would be, why, how the equipment would be installed,…
  6. Cool Experts Heating & Air storefront photo
    4.9 (378 reviews)Serves Richardson, TX
    What customers say
    ⭐️⭐️⭐️⭐️⭐️ Top-Notch Service from Cool Experts Heating & Air! I had an amazing experience with Cool Experts Heating &…
  7. Green Leaf Air storefront photo
    4.7 (172 reviews)Serves Richardson, TX
    What customers say
    I have been wanting to review a project like this for way to long, and I am excited and ashamed of myself it has taken…
  8. TEXAS 1st HEATING AND COOLING EXPERTS, LLC storefront photo
    4.9 (149 reviews)Serves Richardson, TX
    What customers say
    I recently hired them for HVAC services at my home, and I can confidently say they exceeded every expectation. From the…

Repair vs replace: quick decision tree

  • Age > 15 years — Expect diminishing returns on any single repair. Start pricing replacement in parallel, especially if a second failure in the last 24 months.
  • Repair cost > 50% of replacement — A $2,500 repair on an $8,000 system rarely pencils. Run the 5-year math: repair cost + likely follow-on failures vs new-system financing.
  • Uses obsolete refrigerant (R-22) — R-22 is phased out; refills are both expensive and short-lived. Replacement is almost always the right call.
  • Failed a major component (compressor, heat exchanger) — These are “the system”. A compressor on a 12-year-old condenser is a replacement signal, not a repair.

Typical repair cost range

Richardson repair range$702 – $7,150per repair visit

Derived from local HVAC benchmarks in Richardson. Most repair tickets fall well below full-system pricing — expect simple swaps (capacitor, ignitor, thermostat) at the low end and major component replacements (blower motor, control board, compressor) at the high end.

Estimate your Richardson repair

Pick the repair type and your system's age for a ballpark range. Real quotes vary by part availability and diagnosis — use this as a sanity check before approving work.

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Frequently Asked Questions

  • How long does a typical HVAC repair take in Richardson?

    Most diagnoses take 30–60 minutes on site. Small repairs (capacitor swap, thermostat, ignitor) finish the same visit. Parts-on-order repairs can push the job 1–5 business days depending on supplier stock.

  • Do repairs come with a warranty?

    Labor warranties of 30–90 days are common; parts usually carry the manufacturer's warranty (1–10 years). Always get the warranty terms in writing on the invoice before the tech leaves.

  • How do I avoid common repair scams?

    Red flags: no written estimate before work starts, refrigerant refill with no leak search, blanket recommendation to replace without an inspection, or very high "after-hours" pricing on a non-emergency call. Two written quotes for any repair over $600 is the fastest sanity check.

  • When should I replace instead of repair?

    When the repair estimate exceeds 50% of a new system, or the unit is past 15 years, or it uses obsolete refrigerant (R-22), replacement usually wins the 5-year math. Otherwise repair is almost always the better call.

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Licensing data: Texas Department of Licensing and Regulation (TDLR) · Company data: verified business records + Google Business profile

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