5 AC Repair Contractors in Frederick, CO

5.0 avg rating
792 total reviews3 offer 24/7 service

Top-Rated AC Repair Contractors in Frederick

#1

Longview Heating & Air

5.0(344 reviews)
Highly Rated

Every reviewer awarded 5 stars, with Ivan mentioned by four clients and Adam Lobesh referenced by one. Three reviewers specifically noted weekend or same-day…

3540 State Hwy 52 Suite H28, Frederick, CO 80516
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#2

Aire Serv of the Front Range

4.9(279 reviews)
24/7 Highly Rated

Two verified reviews both award 5 stars and specifically name ben as the technician delivering the service. Each reviewer emphasizes transparency, thorough…

3630 State Hwy 52 Unit E, Frederick, CO 80516
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#3

Carbon Valley Heating, Air, Plumbing & Electrical

4.9(154 reviews)
24/7 Highly Rated

One hundred thirty-six client reviews produce a 4.9-star average rating, with each of the twelve visible reviews rating a perfect five stars. technicians named…

3771 Monarch St D, Frederick, CO 80516
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All AC Repair Contractors (5 total)

Black Label Mechanical

5.0(14)

Fourteen clients awarded perfect 5-star ratings, with Billy named as the technician across multiple detailed…

3231 Lump Gulch Way, Frederick, CO 80516
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E & E Quality Air Systems, LLC

5.0(1)
24/7

The single 5-star review praises Ernie and his son for handling a difficult furnace replacement in a cramped…

104 Walnut St, Frederick, CO 80530
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AC Repair Costs in Frederick

Typical repair costs for Frederick homeowners, by problem type.

ServiceLowAverageHigh
Diagnostic / service call
Usually credited toward repair
$83$132$220
Refrigerant recharge (R-410A)
$165$385$770
Capacitor replacement
$132$275$495
Fan motor replacement
$275$495$770
Compressor replacement
$880$1,980$3,080
Evaporator coil repair
$440$990$1,650
Labor (hourly rate)
Per hour during business hours
$83$121$165

Prices reflect continental metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.

AC Repair in Frederick, CO: What to Expect

Frederick sits along Colorado's northern Front Range at 5,000 feet elevation, where summer highs hover near 87 F and extended heat waves push systems hard. The thin mountain air causes AC units to derate roughly 10 to 15 percent below sea-level specifications, and sizing mistakes surface quickly in this climate. Five contractors serve the area, collectively earning a 5.0 average rating across nearly 800 reviews, with three offering around-the-clock availability for emergency breakdowns.

Service costs in Frederick reflect the specialized knowledge required for high-altitude systems. A diagnostic visit runs $83 to $220, while refrigerant recharges using R-410A range from $165 to $770. Capacitor replacement, a common repair in older units, costs $132 to $495. Colorado does not require a statewide HVAC license, so local licensing becomes the benchmark for verifying contractor competence.

Customer feedback points to distinct strengths among top-rated shops. Technicians Ivan and Ben receive multiple mentions for responsiveness and communication, with reviewers noting weekend availability and same-day service. Clients consistently highlight transparency and a reluctance to recommend unnecessary work, reflecting a service-first approach that resonates in a market where heating dominates load calculations but cooling failures demand fast, honest solutions.

Frequently Asked Questions

AC repair in Frederick typically costs $83-$3,080 depending on the problem. Diagnostic calls run around $75-$200, refrigerant recharges $150-$700, capacitor replacement $120-$450, and compressor replacement $800-$2,800. Most contractors apply the diagnostic fee toward the final repair cost if you proceed.