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312-818-2840

3916 N Central Park Ave

Chicago, IL 60618

900 Skokie Blvd, Suite 110

Northbrook, IL 60062

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312-818-2840

Promotions

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312-818-2840
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$250 Off Respicaire OXY 4

Not valid with any other offers or prior purchases. Coupon must be presented at time of service. See company representative for all details. Offer expires 6/30/26.

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$451 Off A/C Rejuvenation Kit

Not valid with any other offers or prior purchases. Coupon must be presented at time of service. See company representative for all details. Offer expires 6/30/26.

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$125 Off Surge Protector

Not valid with any other offers or prior purchases. Coupon must be presented at time of service. See company representative for all details. Offer expires 6/30/26.

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$35 Off Service Repair

Not valid with any other offers. With this coupon. Not valid on prior purchases. Not valid on Diagnostic without repair. Coupon Must be presented at time of service. Offer expires 5/15/2026.

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30% Off Any Repair*

*Only available with purchase of a maintenance agreement. Cannot be combined with any other offers. Must present coupon at time of service. Offer expires 5/15/2026

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$500 Off Furnace Installations

Not valid with any other offers. May not apply to equipment located in crawl spaces or attics. Must present coupon at time of service. Not valid on prior purchases. Expires 8-31-26.

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0% Financing Up To 72 Months

For up to 72 months with Approved Credit. With Approved Credit. On Qualifying Systems only. Cannot be combined with other offers. See company representative for all details that may apply.

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$149 Tune-Up and Cleaning

Not valid with any other offers. May not apply to equipment located in crawl spaces or attics. Scheduling restrictions may apply. Limited spaces available. Ground-level residential equipment only. Cannot be combined with any other offers.

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Industry Leading Service and Craftsmanship

For over 73 years, we have been dedicated to providing reliable service, expert craftsmanship, and unmatched customer care. Our loyal clients has allowed us to grow, evolve and continue serving our community with the highest standards. 

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(312) 818-2840

Service Area

Local HVAC Experts.
Here When You Need Us.

From the city to the North Shore and surrounding suburbs, Guardian Heating & Cooling is proud to deliver dependable service and exceptional comfort to thousands of local homes and businesses.

Read Our Blog

Explore our latest heating and cooling tips, guides, and expert insights to keep your home comfortable in every season. From energy-saving advice to maintenance reminders and system troubleshooting, our blog is here to help you make informed decisions about your HVAC system.