6 AC Installation Contractors in Prospect Heights, IL
Top-Rated AC Installation Contractors in Prospect Heights
Duct Professor Heating & Cooling
“Three of the four detailed reviews award 5 stars, with customers praising specific technicians Mike/Michael and Alex by name for problem-solving and…”
Comfort Style HVAC Heating & Cooling
“Every one of the 131reviews awards 5 stars, with customers repeatedly highlighting same-day arrival during emergencies, transparent pricing that beats…”
All AC Installation Contractors (6 total)
GTC Comfort Air
“All 19 reviews award 5 stars, with 6 of them specifically naming Vladimir as the technician and praising his…”
WG Repair
“Seven of eight detailed reviewers award five stars, with recurring themes including same-day arrival during…”
AC Installation Costs in Prospect Heights
New central AC installation costs in Prospect Heights, by system type and brand.
| Service | Low | Average | High |
|---|---|---|---|
Window unit | $168 | $392 | $784 |
Ductless mini-split (single zone) | $2,240 | $5,040 | $8,960 |
Central AC replacement (existing ducts) | $3,920 | $7,280 | $13,440 |
Central AC new install (with ductwork) | $7,840 | $13,440 | $22,400 |
Carrier (residential) | $4,256 | $6,944 | $11,760 |
Trane (residential) | $5,600 | $9,856 | $15,232 |
Lennox (residential) | $3,920 | $7,280 | $13,440 |
Rheem (residential) | $3,584 | $6,160 | $10,080 |
Prices reflect continental metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
AC Installation in Prospect Heights, IL: What to Expect
Prospect Heights sits within the Chicago metropolitan area, enduring lake-effect winters that plunge to 18 F alongside humid summers peaking near 84 F. While heating dominates annual energy demand, the brief but sticky cooling season still makes reliable AC installation in Prospect Heights a practical consideration for homeowners. Six contractors serve this suburb, collectively holding a 4.9 average rating across 595 reviews, with four offering around-the-clock availability for urgent calls.
AC installation costs in Prospect Heights depend heavily on the system selected. A window unit runs $168-$784, while a ductless mini-split for single-zone cooling spans $2240-$8960. Replacing central air in a home with existing ductwork typically costs $3920-$13440. Since Illinois does not require a statewide HVAC license, local permitting rules govern contractor eligibility, so verifying municipal credentials before work begins remains the homeowner's responsibility.
Customer feedback points to notable strengths among top performers. Duct Professor Heating & Cooling draws praise specifically for technicians Mike and Alex, whom reviewers recognize for thorough problem-solving and efficient work. Comfort Style HVAC Heating & Cooling maintains a perfect 5.0 rating across 131 reviews, with clients repeatedly noting same-day arrivals during emergencies and transparent pricing that undercuts competitor estimates. HVAC Professors also holds a 5.0 rating from 27 reviews, where multiple customers describe no-pressure consultations and rapid response times. Each company receives consistent recognition for clear communication and honest dealing.