9 AC Repair Contractors in O'Fallon, MO
Top-Rated AC Repair Contractors in O'Fallon
Hoff Heating & AC
“Every reviewer awarded five stars, with 1,515 total ratings reflecting consistent satisfaction. Customers frequently cited technician professionalism, same-day…”
Stay Cool Climate Control
“1,096 reviews yield a perfect 5.0-star rating, with customers consistently highlighting same-day emergency response times, transparent pricing, and technicians…”
All AC Repair Contractors (9 total)
Swiss Air Heating & Cooling
“Three of four detailed reviews award five stars, praising same-day arrival, thorough diagnostics, and…”
Faszold Heating and Cooling
“870 reviews yield a 4.9-star average; positive feedback emphasizes sales transparency and clean installations…”
AAA Home Services
“Four of five named reviewers recount positive experiences citing individual technicians by name, while three…”
KirbnJays Heating & Cooling
“347 reviews yield a 4.9-star average, with every published rating awarding 5 stars. Multiple customers…”
Reliable Heating & Cooling Inc.
“Five of six sampled reviewers mention extended tenures with the company, ranging from 12 to over 30 years.…”
AC Repair Costs in O'Fallon
Typical repair costs for O'Fallon homeowners, by problem type.
| Service | Low | Average | High |
|---|---|---|---|
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.