HVAC Services in Festus, MO
2 HVAC contractors found
Crystal Heating & Cooling
4.9(3,065)
Highly Rated
“Every reviewer awarded a perfect 5-star rating, with multiple customers specifically naming technicians like…”
3 Cave Industrial Dr, Festus, MO 63028
HVAC Service Costs in Festus, MO
Pricing ranges across all HVAC services offered in Festus.
| Service | Typical Range | Price Points |
|---|---|---|
| AC Repair | $75–$2,800 | — |
| AC Installation | $150–$20,000 | — |
| AC Replacement | $2,100–$16,000 | — |
| HVAC Maintenance | $15–$800 | — |
| HVAC Repair | $75–$3,500 | — |
| HVAC Service | $70–$14,100 | — |
| Emergency HVAC | $150–$3,500 | — |
| Commercial HVAC | $2–$80,000 | — |
Prices reflect humid subtropical metro averages based on HomeAdvisor and Angi published cost data. Last updated: April 2026.
Frequently Asked Questions
Among 2 HVAC contractors serving Festus, the top-rated providers average 4.9★ across 3,670 reviews. The highest-ranked companies on this page are sorted by a combination of rating and review volume, so established contractors with consistent quality appear first. Check reviews, licensing, and response time to pick the right fit for your situation.
Other Cities in Missouri
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Other Cities in Missouri
Find HVAC contractors in 310 cities across Missouri — browse alphabetically