HVAC Services in Monticello, IL
3 HVAC contractors found
Dubson Heating, Air Conditioning & Refrigeration, Inc.
5.0(543)
Highly Rated
“Every reviewer awarded 5 stars except one citing billing delays; technicians Bryce, Kevin, and Patrick earned…”
406 W Main St, Monticello, IL 61856
Xtreme Mechanical inc
5.0(1)
24/7
“One hundred percent of reviewers award Xtreme Mechanical a perfect five-star rating, with the sole published…”
763 County Farm Rd, Monticello, IL 61856
HVAC Service Costs in Monticello, IL
Pricing ranges across all HVAC services offered in Monticello.
| 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 3 HVAC contractors serving Monticello, the top-rated providers average 5.0★ across 739 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.