HVAC Cost in Lemont, IL in 2026
Most HVAC projects in Lemont, IL cost between $5,500 and $17,000. The typical price is $9,500.
Labour and materials in Lemont run about 10% above the national average. These figures are adjusted for that, so they are not the national average you will find elsewhere.
What drives the price
- System size in tons and efficiency rating
- Heat pump versus furnace plus AC
- Ductwork condition and whether it is replaced
- Electrical or gas line changes
Usually included
- Equipment and refrigerant lines
- Installation, startup and commissioning
- New thermostat
- Haul-away of the old unit
Usually extra
- Duct replacement
- Electrical panel upgrades
- Permits and inspections
HVAC contractors in Lemont, IL
Businesses listed on Google near Lemont, IL. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
ComforTemp Heating & Air Conditioning
4.9(314 reviews)
7320 S Madison St STE 600, Willowbrook, IL 60527
Windy City HVAC Repair
5.0(135 reviews)
400 N Schmidt Rd Ste 211, Bolingbrook, IL 60440
AAA Heating and Cooling Inc
5.0(105 reviews)
400 Main St Ste 300, Lemont, IL 60439
Stack Comfort Solutions
4.9(114 reviews)
12305 New Ave, Lemont, IL 60439
Pinnacle HVAC, LLC
5.0(71 reviews)
14007 S Bell Rd #126, Homer Glen, IL 60491
Air Team Corporation
5.0(48 reviews)
5 Overton Ct, Lemont, IL 60439