HVAC Services in Mt Vernon, MO
5 HVAC contractors found
Jameson Heating And Air
“All 166 reviews carry five stars, with recurring themes of honest assessments, transparent pricing, and…”
Lawrence County HVAC LLC
“All 47 reviews award 5 stars, with emergency same-day response appearing in multiple accounts. Six reviewers…”
Sifferman's Heating & Air
“All 4 reviewers award 5 stars, with 2 clients specifically naming Derrick as the technician who resolved…”
Dion's Heating & Air Services
“Eight reviews yield a 4.9 average rating with all five-star ratings praising specific technicians. Three…”
HVAC Service Costs in Mt Vernon, MO
Pricing ranges across all HVAC services offered in Mt Vernon.
| Service | Typical Range | Price Points |
|---|---|---|
| AC Repair | $83–$3,080 | 7 items → |
| AC Installation | $168–$22,400 | — |
| AC Replacement | $2,352–$17,920 | — |
| HVAC Maintenance | $15–$824 | 7 items → |
| HVAC Repair | $83–$3,850 | 7 items → |
| HVAC Service | $76–$15,228 | 6 items → |
| Emergency HVAC | $165–$3,850 | — |
| Commercial HVAC | $2–$88,000 | — |
Prices reflect continental metro averages based on HomeAdvisor and Angi published cost data. Last updated: April 2026.
HVAC in Mt Vernon, MO: What Homeowners Should Know
Living in the Ozark highlands brings distinct challenges for homeowners in Mt Vernon. Summer temperatures climb to 89 F with roughly 45 days exceeding 90 F, while winter lows settle around 25 F with ice storms posing real threats during colder months. Heating demand slightly outpaces cooling needs in this climate, making reliable HVAC equipment essential year-round. The local market includes five HVAC companies Mt Vernon residents can turn to, collectively earning an impressive 4.9 average rating across more than 900 reviews.
Pricing for HVAC services in the area spans remarkably wide ground, ranging from as low as $2 for minor repairs up to $88,000 for complete system replacements. Missouri does not mandate statewide HVAC licensing, so contractors operate under local city and county requirements instead, which means homeowners should verify credentials through their specific municipality before hiring.
Customer feedback reveals consistent patterns across top-rated shops. Jameson Heating And Air holds a perfect 5.0 rating from 166 reviews, with clients repeatedly highlighting honest assessments and technicians who clearly explain repairs, several mention Brian by name for his knowledgeable approach. Dion's Heating & Air Services earns praise for same-day or same-week response times, while Jon Wayne Heating & Air draws appreciation for transparent pricing and on-time arrivals that treat homes with care.