Repairs · Westminster, CO

HVAC Repair in Westminster

Compare licensed HVAC repair pros in Westminster, CO. Typical repair tickets run $911–$9,281.

8 pros rankedLicense-verifiedWritten estimates
On this page

Common HVAC repairs in Westminster

  • 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

Request quotes →
  1. Cooper Heating & Cooling storefront photo
    4.8 (4,679 reviews)Serves Westminster, CO
    installationrepairinspectionemergency
    What customers say
    ⭐️⭐️⭐️⭐️⭐️ Outstanding Service from Ian at Cooper Heating! Ian recently inspected our furnace, and we couldn’t be more…
  2. Service Experts Denver storefront photo
    4.7 (1,951 reviews)Serves Westminster, CO
    installationrepairinspectionemergency
    What customers say
    Mike, Luke and Daniel took care of installing a new Lennox Heater and thermostat at my house. They were knowledgeable,…
  3. One Hour Heating & Air Conditioning® of Denver storefront photo
    4.8 (1,754 reviews)Serves Westminster, CO
    What customers say
    The company is always responsive to needs. Quick scheduling and availability. They have a good automated system using…
  4. Kappler Mechanical Heating & Air Conditioning storefront photo
    4.9 (1,377 reviews)Serves Westminster, CO
    installationrepairinspection
    What customers say
    Ulises was extremely courteous and prompt for the appointment. He knew exactly what was wrong with the system, and not…
  5. Sanchez Mechanical storefront photo
    4.8 (292 reviews)Serves Westminster, CO
    What customers say
    My furnace stopped working on Friday, mid-January 2024: the main blower came on but that was it. I checked NextDoor and…
  6. Vectra Mechanical HVAC, Electrical and Plumbing storefront photo
    4.9 (321 reviews)Serves Westminster, CO
    installationrepairinspection
    What customers say
    Sam came to fix a sink that was not draining. He did a very thorough job diagnosing the problem and answered my…
  7. Tico HVAC LLC storefront photo
    Tico HVAC LLCTop rated
    5.0 (307 reviews)Serves Westminster, CO
    What customers say
    Oliver was so incredibly nice and helpful. We thought our heat had stopped working during a cold snap this weekend.…
  8. Blue Horse Heat and AC storefront photo
    5.0 (88 reviews)Serves Westminster, CO
    What customers say
    We used Blue Horse for my parents home and it was the best decision we’ve made for our AC install. They were the best…

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

Westminster repair range$911 – $9,281per repair visit

Derived from local HVAC benchmarks in Westminster. 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 Westminster 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.

What kind of repair is it?
How old is your system?

Frequently Asked Questions

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

    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.

Licensing verified weekly. Reviews refreshed within the last 30 days.

Licensing data: Colorado Department of Regulatory Agencies (DORA) — Division of Professions and Occupations (municipal HVAC licensing; statewide plumbing/electrical only) · Company data: verified business records + Google Business profile

Get Westminster repair quotes

Two or three written quotes is the fastest way to normalize a repair bill — we'll connect you with top-ranked local pros.

Compare HVAC Pros