Proudly Serving The Southwest Suburbs of Chicago Since 1988!
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Proudly Serving The Southwest Suburbs of Chicago Since 1988!
Air Conditioning
Heating
Air Quality
Air Conditioning
Heating
Air Quality
Up to $2,000 in Rebates On Qualifying Heat Pumps
Valid only during regular business hours (Monday – Friday) and for non-emergency services. Cannot be combined with other offers or coupons. Other restrictions may apply.
$89.00 Express Checkup
Valid only during regular business hours (Monday – Friday) and for non-emergency services. Cannot be combined with other offers or coupons. Other restrictions may apply.
$179.00 Precision Tune-Up & Cleaning
Valid only during regular business hours (Monday – Friday) and for non-emergency services. Cannot be combined with other offers or coupons. Other restrictions may apply.
SAVE $10 Military Discount
Valid only during regular business hours (Monday – Friday) and for non-emergency services. Cannot be combined with other offers or coupons. Other restrictions may apply.
Free Service Call With Any Repair
Valid only during regular business hours (Monday – Friday) and for non-emergency services. Cannot be combined with other offers or coupons. Other restrictions may apply.
SAVE $100 On a Garage Heater
Valid only during regular business hours (Monday – Friday) and for non-emergency services. Cannot be combined with other offers or coupons. Other restrictions may apply.
SAVE $50! On Bradford White Water Heaters
Valid only during regular business hours (Monday – Friday) and for non-emergency services. Cannot be combined with other offers or coupons. Other restrictions may apply.
SAVE $50 On the Aprilaire 700A Humidifier
Valid only during regular business hours (Monday – Friday) and for non-emergency services. Cannot be combined with other offers or coupons. Other restrictions may apply.
SAVE $25! On Smart Thermostats
Valid only during regular business hours (Monday – Friday) and for non-emergency services. Cannot be combined with other offers or coupons. Other restrictions may apply.
SAVE $50 On a Whole Home Air Purifier
Valid only during regular business hours (Monday – Friday) and for non-emergency services. Cannot be combined with other offers or coupons. Other restrictions may apply.
SAVE $10! Senior Citizen Discount *65 and Older*
Valid only during regular business hours (Monday – Friday) and for non-emergency services. Cannot be combined with other offers or coupons. Other restrictions may apply.
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What To Expect

Discover the Difference

1-Trip
Guarantee
Comfort Zone Service knows how valuable your time is, and we will arrive for the job when we tell you. Trust our expert technicians to be prompt, professional, and friendly.
Price Quote
Guarantee
Before we begin working, we will give you a quote and stick to it. You can trust us to be fair and upfront about what a job is going to cost. We will work with you to find a solution that fits your needs.
Clean Home
Guarantee
As the #1 Professional Heating & Air Conditioning Company in Orland Park & Mokena, you can trust our technicians to be kind and clean, leaving your home looking like no one was ever there.
Fixed Right
Guarantee
We take pride in our craftsmanship, double check all of our work, so you can be assured the job will be done right the first time.
1-Trip
Guarantee
Comfort Zone Service knows how valuable your time is, and we will arrive for the job when we tell you. Trust our expert technicians to be prompt, professional, and friendly.
Price Quote
Guarantee
Before we begin working, we will give you a quote and stick to it. You can trust us to be fair and upfront about what a job is going to cost. We will work with you to find a solution that fits your needs.
Clean Home
Guarantee
As the #1 Professional Heating & Air Conditioning Company in Orland Park & Mokena, you can trust our technicians to be kind and clean, leaving your home looking like no one was ever there.
Fixed Right
Guarantee
We take pride in our craftsmanship, double check all of our work, so you can be assured the job will be done right the first time.
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Don’t take our word for it

See What Your Neighbors Are Saying

See What Your Neighbors
Are Saying

Absolutely fantastic. They are very nice very fair priced and very helpful. Professional prompt courteous service. I am more than satisfied with everything. Would like to recommended

Marcie F.

I’ve been using Comfort Zone for years. They do great work at a fair price and have been extremely responsive for both routine maintenance and emergency service. I highly recommend them

Patrick O.

Comfort Zone installed a new furnace in my townhouse, This company provided me with options and was very professional. They explained things to me and never pressured me for additional services. I would highly recommend them! They were courteous, on time, and did an excellent job. They are a “favorite” in my p...

Susan K.

Very quick response time! I noticed the failure of my hot water heater at 7 pm one evening and had a new hot water heater installed and ready to go by 11 am the next morning. Great communication, clear recommendations, and took the time to explain details about the equipment that was ultimately installed.

Ryan H.

We have worked with Comfort Zone for about 4 years and are completely satisfied with the quality of service they provide. They recommended and installed a new AC unit, and provide us an annual furnace and AC cleaning and inspection service. We highly recommend this company for residential heating and cooling needs.

Linda A.
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Need to finance a new indoor comfort system or repair?

Need to finance a
new indoor comfort
system or repair?

No Sweat. Don’t spend another uncomfortable minute…

No Sweat.
Don’t spend another
uncomfortable minute…

Chicago’s #1 AC Repair & Service Company

Redefining Excellence in HVAC Care 

Customer-Centered Heating & Cooling Service in Chicago’s Southwest Suburbs 

As a leader in heating and air conditioning services in Chicago’s southwest suburbs since 1988, Comfort Zone Service takes a customer-first approach. We’re A+ rated by the Better Business Bureau – a recognition of our excellence in customer service. 

We hire trained and licensed HVAC technicians who share our commitment to being the best HVAC company in Orland Park and across our service area. From AC repair and furnace installation to heat pump replacement and boiler maintenance, your 100% satisfaction is what drives us.

Chicago’s #1 AC Repair & Service Company

Customer-Centered AC & Heating Service in Chicago’s Southwest Suburbs

As a leader in heating and air conditioning services in Chicago’s southwest suburbs since 1988, Comfort Zone Service takes a customer-first approach. We’re A+ rated by the Better Business Bureau – a recognition of our excellence in customer service.

We hire trained and licensed HVAC technicians who share our commitment to being the best HVAC company in Orland Park and across our service area. From AC repair and furnace installation to heat pump replacement and boiler maintenance, your 100% satisfaction is what drives us.

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Free estimate today!

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Comfort Club Customer Loyalty Program logo Comfort Club Customer Loyalty Program

Comfort Club Membership Has Its Perks

Join our Comfort Club and enjoy big savings, priority scheduling, plus other exclusive member benefits:

  • Front-of-the-line service
  • Save 10% on repairs
  • Discounts on new equipment
  • No commitment required
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Proudly Serving

The Southwest Suburbs of Chicago

Orland Park | Tinley Park | Mokena | Frankfort | Palos Heights | Palos Park | Palos Hills | Oak Forest | Alsip Crestwood | Oak Lawn | New Lenox | Homer Glen Lockport | Lemont Orland Park | Tinley Park | Mokena
Frankfort | Palos Heights | Palos Park
Palos Hills | Oak Forest | Alsip
Crestwood | Oak Lawn | New Lenox
Homer Glen View More
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