HVAC Cost in Montgomery, IL in 2026
Most HVAC projects in Montgomery, IL cost between $5,500 and $17,000. The typical price is $9,500.
Labour and materials in Montgomery run about 12% 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 Montgomery, IL
Businesses listed on Google near Montgomery, IL. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Andersen Plumbing, Heating and AC Repair
5.0(1,065 reviews)
1554 Crescent Lake Dr, Montgomery, IL 60538
Franzen Heating & Cooling
4.9(413 reviews)
219 Woodlawn Ave, Aurora, IL 60506
Hall of Fame HVAC
5.0(229 reviews)
10s187 Schoger Dr Unit 66, Naperville, IL 60564
Your HVAC Guy
5.0(175 reviews)
2207 Gallant Fox Cir, Montgomery, IL 60538
Black Widow Heating & Cooling LLC
5.0(110 reviews)
59 Burkhart Dr, Oswego, IL 60543
Air Infinity Heating and Air Conditioning
4.9(93 reviews)
2015 US-34, Oswego, IL 60543