Your Local HVAC Experts for Year-Round Comfort in Northern Illinois

Heating, cooling, and indoor air quality solutions backed by certified technicians and 24/7 emergency service.

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A New Cooling & Heating System Is Within Reach

Comfort Level, Inc. is committed to providing comfort for our customers through air conditioning and heating solutions. We have unlimited resources to complete your residential or commercial job in the Northern Illinois area. We offer old world service with modern technology, promising to supply our customers with personal service you can trust. Call us today to find out how we can serve you!

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$25 off any service call!

(excludes tune-ups)

*Please mention this internet coupon at time of scheduling appointment.

Contact Us Today: (847) 454-3800

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Efficient Systems

Bryant heating and cooling systems are some of the most efficient and longest-lasting on the market. Combine this excellent hardware with the skill and experience of Comfort Level, Inc., and you have a formula for year round comfort.

Get the Financing You Need

At Comfort Level, we understand that a new heating and air conditioning system can be quite expensive. Many homeowners do not have the extra money to install a new unit, despite their need for one. We want our customers to remain comfortable in their home, which is why our company provides financial solutions for our customers.

Maintenance Agreements

Home comfort systems are big investments, so make sure that you protect yours and ensure its long life with an annual maintenance agreement. With a maintenance agreement you won’t have to worry about anything.

Our Promise To You

We will provide our customers with the highest quality product possible at the most affordable price.

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We will provide our customers with the most professional installation available.

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We will provide our customers with the most comprehensive and courteous after-sale support in the industry.

Person thinking of a heart.

When you’re satisfied, we’re satisfied.

Local Associations

A+ Rating with the Better Business Bureau 

Committed To 100% Customer Satisfaction

Comfort Level, Inc. believes that success can only be obtained by satisfying our customers. Our goal is 100% customer satisfaction, 100% of the time. Comfort Level, Inc. is proud of its track record as illustrated by letters it has received from various customers.

★★★★★

On time, Fast and Fair!!!


Mary M.

Customer since 2018

★★★★★

Quick, on time, honest and a fair price. What more could you ask?


Paul L.

Customer since 2018

★★★★★

Great service, very professional and reliable.


Anonymous

Verified customer

★★★★★

Fast response to no heat call arrived in an hour, had parts to fix on the spot.


Would use for all my heating and air conditioning needs.


Edward D.

Customer since 2001

★★★★★

Joe did his usual good work.Thanks, Ken Schultz


K. S

Customer since 2001