5 HVAC Repair Contractors in St Peters, MO

4.9 avg rating
8,404 total reviews4 offer 24/7 service
Need emergency service? 5 HVAC providers in St Peters offer 24/7 availability

Top-Rated HVAC 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

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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#3

Ozark Mechanical

5.0(170 reviews)
24/7 Highly Rated

All eight sampled reviewers award 5 stars, with three specifically mentioning same-day or emergency response within one hour of their call. Technicians Mike…

2108 Parkway Dr, St Peters, MO 63376
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All HVAC Repair Contractors (5 total)

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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HVAC Repair Costs in St Peters

Typical heating and cooling repair costs in St Peters, by component.

ServiceLowAverageHigh
Diagnostic / service call
$83$132$220
Thermostat replacement
$165$303$550
Blower motor replacement
$440$715$1,210
Heat exchanger replacement
$1,650$2,420$3,850
Ignitor replacement (gas furnace)
$165$275$440
Control board replacement
$330$605$990
Full system repair (major)
Multi-component failure
$550$1,320$3,300

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

HVAC Repair in St Peters, MO: What to Expect

Living in St Peters means coping with temperature extremes that push home comfort systems to their limits. Summers deliver weeks of 90-degree heat with thick humidity, while winters drop into the 20s with regularity, forcing heating equipment to work just as hard as cooling systems. That continuous back-and-forth stress creates real demand for HVAC Repair in St Peters, where five dedicated contractors maintain an impressive 4.9 average rating across more than 8,000 consumer reviews. Homeowners in this St Louis suburb clearly expect technicians who understand year-round climate pressure and will arrive ready to diagnose whatever malfunction their system has developed.

Pricing transparency helps homeowners plan for typical repairs. A diagnostic or service call typically runs $83-$220, while component-level work like thermostat replacement costs $165-$550 and blower motor replacement ranges $440-$1210. Missouri does not require a statewide HVAC license, so local licensing requirements apply and homeowners should verify credentials with their city or county before hiring a contractor.

Customer feedback points to responsive service as a distinguishing factor. Ozark Mechanical earns consistent five-star mentions, with multiple reviewers noting Same-day or emergency response within one hour of their call. Technicians Mike Garrett, Brian, and Ryan receive specific recognition for showing up quickly and communicating clearly about needed repairs. This level of attention matters when a broken system arrives during a July heat wave or January cold snap.

Frequently Asked Questions

HVAC repairs in St Peters range from $83-$3,850 depending on the component. Thermostat replacement runs $150-$500, blower motor $400-$1,100, ignitor $150-$400, and heat exchanger replacement $1,500-$3,500. Diagnostic fees of $75-$200 are typically credited toward the repair if you proceed.