6 AC Repair Contractors in St Peters, MO

4.9 avg rating
9,585 total reviews5 offer 24/7 service
Need emergency service? 5 HVAC providers in St Peters offer 24/7 availability

Top-Rated AC Repair Contractors in St Peters

#1

Jerry Kelly Heating, Air Conditioning, Electrical & Plumbing

4.9(6,927 reviews)
24/7 Highly Rated

Six thousand seven hundred thirty-nine reviews yield a 4.9 average rating, with every sampled review awarding five stars. Technicians named individually appear…

4631 N St Peters Pkwy, St Peters, MO 63304
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#2

Air Comfort Service Inc.

5.0(1,181 reviews)
24/7 Highly Rated

Every one of the 1,181 reviews awards five stars, with zero sub-three-star ratings recorded. Emergency response appears repeatedly, including same-day arrival…

1286 Jungermann Rd suite e, St Peters, MO 63376
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#3

No Problem Heating and Cooling

4.8(1,164 reviews)
24/7 Highly Rated

4.8star average from 1164 reviews signals broad client satisfaction, though one recent review alleges misleading warranty and financing conduct that…

1565 Kisker Rd, St Peters, MO 63304
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All AC Repair Contractors (6 total)

Ozark Mechanical

5.0(170)
24/7 Highly Rated

All eight sampled reviewers award 5 stars, with three specifically mentioning same-day or emergency response…

2108 Parkway Dr, St Peters, MO 63376
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Cisco Inc

4.8(75)

All seven sampled reviewers award five stars, with four explicitly mentioning same-day or emergency response…

3727 N St Peters Pkwy, St Peters, MO 63376
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Stevenson

4.9(68)
24/7

All four featured reviewers awarded perfect 5-star ratings, with each praising specific team members by name.…

103 Main St, St Peters, MO 63376
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AC Repair Costs in St Peters

Typical repair costs for St Peters 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 St Peters, MO: What to Expect

St. Peters shares St. Louis's climate extremes, with summer heat often climbing above 90 F for weeks at a stretch. That kind of heat pushes residential AC systems hard, and when they fail, homeowners need help fast. The six HVAC contractors serving this area collectively maintain a 4.9 average rating across nearly ten thousand reviews, meaning residents have access to reliable AC repair in St Peters from businesses that understand how punishing these summers can be.

Pricing for common repairs reflects the work involved. A diagnostic visit runs $83 to $220, while replacing a failed capacitor typically costs $132 to $495. Refrigerant recharges, necessary when systems develop leaks, run $165 to $770 depending on the unit and scope. Missouri does not require a statewide HVAC license, so contractors operate under local permits that vary by municipality.

Customer feedback points to clear differences in service approach. Jerry Kelly Heating, Air Conditioning, Electrical & Plumbing earns consistent praise for technical knowledge, with reviewers noting individual technicians by name roughly one-third of the time. Air Comfort Service Inc. stands out for emergency response, with multiple customers describing same-day arrivals during bitter cold snaps. A single recent review for No Problem Heating and Cooling flags potential concerns around warranty communication that prospective clients should verify before committing.

Frequently Asked Questions

AC repair in St Peters 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.