Top 7 HVAC companies in Cook, Illinois

Cook County covers more than five million residents across dozens of municipalities. HVAC work therefore falls under varying local rules rather than a single state standard. Public listing data supplies the review counts, star ratings and addresses used for the ranking below. Installed costs, climate loads and incentive requirements are drawn from the same public sources.

Cost of HVAC work in Cook County

A typical full system install is listed at $10,450. The observed range runs from $9,400 to $11,500. Invoiced 2025 figures average $12,836 and reach an upper quartile of $17,601. Labor is recorded at $125 per hour. Permit fees fall between $150 and $550. The two cost sources disagree on the central value, which itself supplies useful information for budgeting.

The shortlist

Companies are ranked by a Bayesian-adjusted rating: a company's star rating is pulled toward the national mean until it has enough reviews to stand on its own, so a 5.0 from four customers does not outrank a 4.9 from two hundred. Small tie-breakers apply for a public website, for being listed as an HVAC specialist rather than a general contractor, and for published 24/7 availability. This is a shortlist built from public listing data, not a review of work performed.

Fix It HVAC | Heating & Cooling

Fix It HVAC | Heating & Cooling operates from W 105th St, Oak Lawn, IL 60453 and can be reached at (708) 888-0605. Its listing shows a general-contractor category without published 24/7 hours. The raw rating of 5.0 adjusted downward to 4.988 because the 105 reviews still leave room for regression to the mean. The 0.012-point gap reflects that sample size. These figures do not reveal whether the firm carries the insurance level required by a particular suburb.

Ultimate HVAC

Ultimate HVAC lists 175 reviews at a raw 4.9 that adjusted to 4.94. The address is 5250 Old Orchard Rd Ste 300, Skokie, IL 60077 and the phone is (773) 420-6060. General-contractor status plus published 24/7 availability supplied the tie-breakers. The 0.06-point adjustment occurred because even 175 reviews do not yet eliminate all mean reversion. The numbers say nothing about actual response times during peak winter calls.

Chicago Heating & Cooling

Chicago Heating & Cooling posted 158 reviews at raw 4.9, adjusted to 4.938. Its address is 350 N LaSalle St 9th floor, Chicago, IL 60654; the contact number is (312) 852-5152. General-contractor listing and 24/7 availability appear in the data. The 0.062-point drop stems from the review volume being large but not yet decisive. Nothing in the score describes workmanship on high-efficiency furnaces.

Eco Temp HVAC

Eco Temp HVAC shows 24 reviews at raw 5.0 that adjusted to 4.929. The address is 12766 Marian Dr, Lemont, IL 60439 and the phone is (224) 253-8131. General-contractor category and 24/7 hours are noted. The 0.071-point adjustment is larger because the small sample size exerts stronger pull toward the mean. The rating therefore supplies limited information on long-term reliability.

Mid-City Heating, Ventilation & Air Conditioning Inc.

Mid-City Heating, Ventilation & Air Conditioning Inc. recorded 111 reviews at raw 4.9, adjusted to 4.911. The address is 8156 S Western Ave, Chicago, IL 60620; the number is (773) 776-4200. Only the public website supplied a tie-breaker. The 0.039-point shift reflects the moderate review count. These numbers cannot indicate whether the firm meets insurance thresholds in every Cook County suburb.

Alpine Hvac

Alpine Hvac lists 60 reviews at raw 4.9, adjusted to 4.875. The address is 3108 W 39th Pl, Chicago, IL 60632 and the phone is (773) 724-8317. No website is shown, but 24/7 availability is published. The 0.025-point adjustment is modest because the sample size is moderate. The score does not address actual winter service capacity under Chicago design temperatures.

Besco Air Inc. Heating & Cooling Co.

Besco Air Inc. Heating & Cooling Co. shows 25 reviews at raw 4.8, adjusted to 4.84. The address is 105 Revere Dr Ste I, Northbrook, IL 60062 and the phone is (847) 397-1777. Website and 24/7 status both appear. The 0.04-point adjustment arises from the limited review count. The figures give no information on how the firm performs on dual-fuel heat-pump installs.

Licensing and permits

Illinois maintains no statewide HVAC contractor licensing board. Licensing occurs at the municipal level; Chicago routes permitted HVAC work through its General Contractor license issued by the Department of Buildings. That license requires general liability insurance between $1,000,000 and $5,000,000 per occurrence depending on class. No statewide insurance minimum exists because no statewide HVAC license exists. Permits are required on a jurisdiction-by-jurisdiction basis. Homeowners must confirm with the city or village where the property is located which license class covers the planned work.

Climate demands on equipment

Cook County sits in IECC zone 5A with 5,900 heating degree days and 1,100 cooling degree days. Winter design temperature is 0 °F and summer design is 91 °F. The load profile is heating-leaning mixed with humid summers and very dry winters. Natural gas remains the primary heating fuel and central-air saturation is already high. These conditions favor high-efficiency condensing furnaces paired with properly sized cooling equipment. Sharp summer peaks still require accurate Manual J loads to avoid short-cycling.

Available incentives

The Illinois Home Energy Rebates program remains in conditional pilot status with a planned $8,000 heat-pump rebate. No state tax credit applies to HVAC equipment. Utility programs administered by ComEd, Nicor Gas and others offer $300 to $1,500 but require participation in the program-ally network. Federal 25C and 25D credits expired at the end of 2025. Only commercial 48E credits remain. Homeowners must therefore select installers already inside the utility ally network to access the largest available rebates.

How to choose an installer

Verify the issuing municipality for any required General Contractor license. Confirm the contractor belongs to the relevant utility ally network before discussing rebates. Compare the listed review counts against the adjusted scores to gauge stability. Request written confirmation of the permit process for the specific city or village. These steps narrow the field to firms equipped for both technical and administrative requirements in Cook County.