HVAC Services in Lake St Louis, MO
3 HVAC contractors found
Superior Service
5.0(2,435)
Highly Rated
“All five reviews award 5 stars, with four of five reviewers naming specific technicians by first or full…”
101 Stag Industrial Blvd, Lake St Louis, MO 63367
Goldkamp Heating and Cooling | Lake St. Louis
5.0(243)
Highly Rated
“All 243 reviews award 5 stars. Reviewers consistently mention same-day service arrival, fair pricing, and…”
8200 Orf Rd #101, Lake St Louis, MO 63367
HVAC Service Costs in Lake St Louis, MO
Pricing ranges across all HVAC services offered in Lake St Louis.
| Service | Typical Range | Price Points |
|---|---|---|
| AC Repair | $83–$3,080 | — |
| AC Installation | $168–$22,400 | — |
| AC Replacement | $2,352–$17,920 | — |
| HVAC Maintenance | $15–$824 | — |
| HVAC Repair | $83–$3,850 | — |
| HVAC Service | $76–$15,228 | — |
| 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.
Frequently Asked Questions
Among 3 HVAC contractors serving Lake St Louis, the top-rated providers average 4.9★ across 2,692 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.