5 AC Repair Contractors in Mt Vernon, MO

4.9 avg rating
904 total reviews2 offer 24/7 service

Top-Rated AC Repair Contractors in Mt Vernon

#1

Jon Wayne Heating & Air

4.8(432 reviews)
24/7 Highly Rated

All four published reviews award five stars, with customers specifically praising transparent pricing, on-time arrivals, and respectful treatment of homes…

726 W Breckenridge Rd, Mt Vernon, MO 65712
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#2

Dion's Heating & Air Services

4.9(250 reviews)
Highly Rated

Eight reviews yield a 4.9 average rating with all five-star ratings praising specific technicians. Three reviewers explicitly mention same-day or same-week…

422 S Hickory St, Mt Vernon, MO 65712
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#3

Jameson Heating And Air

5.0(171 reviews)
Highly Rated

All 166 reviews carry five stars, with recurring themes of honest assessments, transparent pricing, and knowledgeable technicians who explain repairs clearly.…

11257 Lawrence 1165, Mt Vernon, MO 65712
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All AC Repair Contractors (5 total)

Lawrence County HVAC LLC

5.0(47)
24/7

All 47 reviews award 5 stars, with emergency same-day response appearing in multiple accounts. Six reviewers…

708 E Mt Vernon Blvd, Mt Vernon, MO 65712
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Sifferman's Heating & Air

5.0(4)

All 4 reviewers award 5 stars, with 2 clients specifically naming Derrick as the technician who resolved…

909 S Hickory St, Mt Vernon, MO 65712
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AC Repair Costs in Mt Vernon

Typical repair costs for Mt Vernon 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 Mt Vernon, MO: What to Expect

Mt Vernon sits in the Ozark highlands where summer heat pushes temperatures above 90 F for weeks at a time, and winter ice storms test every heating system. The climate keeps local HVAC contractors busy year round. Five companies serve the AC Repair in Mt Vernon market, and together they maintain a 4.9 average rating across more than 900 customer reviews. Homeowners in this region need reliable cooling when July humidity settles over the valley, and dependable heating when January brings freezing rain and single-digit wind chills.

Pricing across common service calls reflects this year-round demand. A diagnostic visit runs $83 to $220, while refrigerant recharges for the popular R-410A systems cost between $165 and $770. Capacitor replacements, a frequent repair for older units, range from $132 to $495. Missouri does not require a statewide HVAC license, so local licensing requirements vary by municipality and contractors must meet the standards set by each city where they operate.

Homeowners consistently praise technicians who arrive on time, treat the property with respect, and provide clear explanations of needed repairs. Several reviews specifically mention Brian from Jameson Heating And Air for his honest assessments and transparent pricing. Response time matters in this climate, as one reviewer noted Dion's Heating & Air completed the job the same day they called. The pattern across feedback points to technicians who communicate clearly and show up when promised.

Frequently Asked Questions

AC repair in Mt Vernon 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.