Best Air Conditioning & Heating Companies in Illinois
Illinois

Best Air Conditioning & Heating Companies in Illinois

Find trusted air conditioning & heating professionals serving Illinois. All contractors are independently researched and certified.

Only companies with a Certified Best Pick® badge meet our strict satisfaction & licensing requirements and are eligible for the Best Pick Guarantee.

13
Recommended Pros
23k+
Verified Reviews
Locally FocusedResearch-VerifiedFree Service

13 Contractors

Only companies with a Certified Best Pick® badge meet our strict satisfaction & licensing requirements and are eligible for the Best Pick Guarantee.

McHenry Heating & Air, Inc.
Certified Best Pick

McHenry Heating & Air, Inc.

Certified Pro

"We're a family-operated business that strives to provide a helpful, friendly environment for our clients while giving back to the surrounding communities. We are honest, and we stand by the quality of our work 24 hours a day, 7 days a week."

16th year as a Best Pick Insured Workers' Comp
Ravinia Plumbing, Sewer, Heating & Electric
Certified Best Pick

Ravinia Plumbing, Sewer, Heating & Electric

Certified Pro

"Our customers have trusted us since 1928 to repair or replace almost any home system related to plumbing, gas piping, drains, sewers, heating, cooling, electric, or generators. They can call us 24/7/365 and know that a real person will answer the phone and background checked, drug tested technicians will arrive at their door."

16th year as a Best Pick Licensed Insured Workers' Comp
Besco Air, Inc.
Certified Best Pick

Besco Air, Inc.

Certified Pro

"I love helping our customers in any way I can. Whether it's just a small repair or a complete home installation, we're always there for you, 24 hours a day. Our motto is: 'Large enough to serve, small enough to care.'"

16th year as a Best Pick Insured Workers' Comp
ABC Plumbing, Sewer, Heating, Cooling & Electric
Certified Best Pick

ABC Plumbing, Sewer, Heating, Cooling & Electric

Certified Pro

"Being a family-owned business that started in plumbing over 75 years ago, ABC is the company thousands of homeowners have counted on to the get job done and done right. If you've got a leaky pipe, a bad water heater, or a kitchen faucet that you need help with, you can make one call to ABC and Consider It Done."

16th year as a Best Pick Licensed Insured Workers' Comp
Shavitz Heating & Air Conditioning
Certified Best Pick

Shavitz Heating & Air Conditioning

Certified Pro

"Since 1904, Shavitz HVAC has operated by the same motto: 'Do right by the customer.' We provide highly trained, uniformed, drug-tested, and background-checked technicians with the latest tools and detailed checklists to ensure quality. Our employees strive to keep your home or business comfortable and save you money."

10th year as a Best Pick Insured Workers' Comp
One Hour Heating & Air Conditioning
Certified Best Pick

One Hour Heating & Air Conditioning

Certified Pro

"At One Hour, our mission states: 'We serve people with the highest degree of honesty and business integrity.' Every day, our company lives up to this challenge. We strive to exceed each customer's needs by providing excellent HVAC service and only hiring the most competent, friendly, and trustworthy technicians in the business."

9th year as a Best Pick Insured Workers' Comp
Intelligent Service
Certified Best Pick

Intelligent Service

Certified Pro

"Intelligent Service has been providing unparalleled service to homeowners in the Chicago area since 1982. We pride ourselves on employing the best, most highly trained plumbing, heating, and cooling technicians in the country. We believe in serving at the highest level, and we look forward to the opportunity to serve you."

7th year as a Best Pick Licensed Insured Workers' Comp
Green Air Care
Certified Best Pick

Green Air Care

Certified Pro

"Think Green! Your local HVAC and air duct cleaning company for all your HVAC needs. Providing energy-efficient services to save the environment and lower your energy bills while delivering exceptional service!"

4th year as a Best Pick Insured Workers' Comp
OneStop Pro Plumbing, Heating, Cooling & Electric
Certified Best Pick

OneStop Pro Plumbing, Heating, Cooling & Electric

Certified Pro

"OneStop Pro was founded in 2007 with a mission to deliver the best service and workmanship in the plumbing, HVAC, and electric fields for homeowners and business owners in DuPage County. To accomplish this, we built OneStop Pro around the needs and desires of our clients and our skilled team members."

2nd year as a Best Pick Licensed Insured Workers' Comp
Four Seasons Heating, Air Conditioning, Plumbing, Electric
Certified Best Pick

Four Seasons Heating, Air Conditioning, Plumbing, Electric

Certified Pro

"Quality service, fair pricing, industry-leading guarantees, and a commitment to total customer satisfaction are just a few of the many reasons why Four Seasons has become one of Chicagoland's largest and most trusted provider of heating, air conditioning, plumbing, and electrical services. 'For all the Right Reasons, Call 866-4-Seasons!'"

2nd year as a Best Pick Licensed Insured Workers' Comp
Perfect Home Services
Certified Best Pick

Perfect Home Services

Certified Pro

"When you need a trusted HVAC contractor, plumber, or electrician in the Chicago suburbs, count on Perfect Home Services. Our licensed technicians offer expert installation, repair, and maintenance for plumbing, heating, cooling, and electrical needs. The Perfect Team delivers solutions to keep your home running smoothly."

1st year as a Best Pick Licensed Insured Workers' Comp
Summers Plumbing Heating & Cooling
Certified Best Pick

Summers Plumbing Heating & Cooling

Certified Pro

"Cooling and air conditioning systems require regular maintenance and repair, especially if you run them frequently. We have experienced HVAC technicians who are up to date on the latest in cooling repair methods so that you can be confident in our services. Our technicians are skilled in a variety of different heating systems, including gas furnaces, electric furnaces, and geothermal heat pumps. We ensure that all of our HVAC technicians have the appropriate certification and training so that you can be confident you are getting the best heating repair and maintenance possible, all at the least cost to you! Superior plumbing at affordable rates. From leaky pipes to the installation of water heaters, we can handle it all and often at a fraction of the cost of our competitors. In fact, we guarantee to match or beat the prices of our competitors! With 24-hour availability, we do everything we can to be reliable, fast, and friendly!"

1st year as a Best Pick Licensed Workers' Comp

Recent Project Requests in Illinois

Real homeowners looking for air conditioning & heating in your area

Lincolnwood

"The furnace has no heat but fan keep running. I will be at home 4pm. Thanks."

Nov 22, 2025
Prospect Heights

"the heating &. air need to be replaced"

Nov 13, 2025
Schaumburg

"I need my furnace inspected and check for any leaks of gas. I work during 8-6 so email will be the best way to get in co..."

Oct 30, 2025
Algonquin

"AC stopped worked."

Oct 5, 2025
Northbrook

"Maintenance for 3 residential AC and furnace units"

Jun 22, 2025
Chicago

"One of my units replaced with the suction line to the coil in my attic."

May 27, 2025
Buffalo Grove

"Hi, we previously received a quote for a standard water heater, but would also like a quote for a tankless water heater..."

May 3, 2025
Lake Forest

"Heat is on at 74 but house feels cold And cool air comes through vents"

Mar 24, 2025
Chicago

"I'd like to get an estimate to replace both my ac & furnace."

Mar 20, 2025
palatine

"furnace install"

Feb 11, 2025
Certification Standards

How Illinois Air Conditioning & Heating Companies Earn Best Pick Certification

Only air conditioning & heating companies that meet our strict standards earn Best Pick status.

Customer Satisfaction

Air Conditioning & Heating companies must maintain a 4.0+ rating and an 80% recommendation rate.

Licensing & Insurance

Current state contractor license verification and general liability insurance for air conditioning & heating work

Business Stability

Minimum 1 year in business with established local presence

Verified State Standing

Maintain active business registration and in good standing with the state

Operational Excellence

Consistent air conditioning & heating service quality across all projects

Annual Re-Certification

Must re-qualify every year through new research

Frequently Asked Questions

Common questions about Certified Best Pick® air conditioning & heating companies in Illinois

Best Pick Certified Air Conditioning and Heating companies in Illinois, IL have earned their status through independent consumer research—not paid placement. To qualify, a company must meet strict standards:

  • High customer satisfaction: 4.0+ Google rating (25+ reviews) OR 80%+ recommendation rate from surveyed customers
  • Verified credentials: Active state licenses, general liability insurance, and workers' comp (where required)
  • Financial stability: Clean credit history and active Secretary of State standing
  • Local track record: Minimum 1 year serving the Illinois, IL area

Certification is re-verified annually, ensuring continued performance.

No. Air Conditioning and Heating companies cannot buy Best Pick Certification, improved ratings, or better placement. Our research team independently evaluates companies based on customer satisfaction, licensing, insurance, and business stability—before any business relationship exists.

Companies that earn certification pay a participation fee after qualifying, which covers the cost of ongoing research and publication. This fee has no influence on whether a company qualifies or how they appear in our directory.

The Best Pick Guarantee provides financial protection—up to $2,500 in labor costs—if a Certified Best Pick Air Conditioning and Heating company fails to deliver on their commitments.

To be eligible:

  • Contact the company through Best Pick Reports or BestPickReports.com
  • Register for the guarantee (free)
  • Submit any claim within 45 days of the final date of service
  • Allow the company the opportunity to resolve the issue first

This guarantee applies only to Certified Best Pick companies, not Standard Pros. Full terms are available on our guarantee page.