10 AC Installation Contractors in Lemont, IL
Top-Rated AC Installation Contractors in Lemont
AAA Heating and Cooling Inc
“8 recent reviews all award 5 stars except one 1-star caution about pricing, creating a strong average of 5.0. Emergency same-day service appears in 3 positive…”
Stack Comfort Solutions
“Seven reviewers specifically mention same-day or next-day service availability, with multiple customers highlighting emergency response during extreme weather…”
All AC Installation Contractors (10 total)
Ustarshah, Heating, Air Conditioning.
“Eight client testimonials form the complete review set, each awarding five stars. Two reviews explicitly…”
Falcon HVAC Services Inc.
“All 28 reviewers award 5 stars, with emergency response capability mentioned explicitly in 3 accounts.…”
BMC Services, Inc. Heating and Cooling
“All 26 reviewers award 5-star ratings, with technicians Mike and Michal named across multiple positive…”
Eco Temp HVAC
“Twelve of 22 reviewers specifically mention being treated with kindness and respect, while eight praise the…”
Salmark HVAC
“Eighteen reviewers collectively award Salmark HVAC a perfect 5.0-star average, with multiple customers…”
Update Heating and Cooling Services
“All six reviews award five stars, with multiple customers specifically praising same-day arrival during heat…”
AC Installation Costs in Lemont
New central AC installation costs in Lemont, 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 Lemont, IL: What to Expect
Lemont sits in the Chicago metropolitan area, where summer temperatures climb to 84 F with moderate humidity, creating genuine demand for reliable cooling systems. Despite winters that drop to 18 F with harsh lake-effect wind chill making heating the dominant concern, the ten HVAC contractors serving this suburb maintain an impressive average rating of 5.0 across nearly 400 customer reviews. Homeowners seeking AC Installation in Lemont have access to a competitive market where professionalism and service speed differentiate the options.
Pricing for cooling solutions varies substantially by system type. Window units range from $168 to $784, while a ductless mini-split single zone runs $2,240 to $8,960. For homes with existing ductwork, central AC replacement typically costs $3,920 to $13,440. These figures reflect equipment capacity, efficiency ratings, and installation complexity rather than arbitrary markups. Illinois does not require statewide HVAC licensing, so verifying a contractor's local credentials and insurance protection remains the homeowner's responsibility.
Customer feedback highlights consistent patterns across top-rated companies. AAA Heating and Cooling earns its perfect rating through same-day emergency service, with technicians like Jim responding promptly during breakdowns. Stack Comfort Solutions receives praise for next-day availability and technician Chris or Evan handling extreme weather calls. Air Team Corporation stands out when technician Wes explains pricing transparently and completes installations professionally. Each company demonstrates that response time and clear communication matter most to Lemont homeowners.