HVAC Services in Ottawa, IL
3 HVAC contractors found
Lanphierd Heating and Cooling
5.0(74)
24/7
“Across 74 five-star reviews, customers consistently emphasize three qualities: same-day emergency…”
2499 E 18th Rd, Ottawa, IL 61350
Hometown Heating & Cooling Co
4.8(34)
24/7
“Every reviewer awarded 5 stars, with Erik named as the responding technician in five of six featured…”
113 W Center St, Ottawa, IL 61350
HVAC Service Costs in Ottawa, IL
Pricing ranges across all HVAC services offered in Ottawa.
| 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 Ottawa, the top-rated providers average 4.8★ across 123 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.