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312-818-2840

3916 N Central Park Ave

Chicago, IL 60618

900 Skokie Blvd, Suite 110

Northbrook, IL 60062

Guardian Heating & Cooling is a big believer in the value of word-of-mouth advertising. That’s where you come in:

When you refer a friend to Guardian Heating & Cooling, you will share $100. More importantly, your friend will start receiving the same benefits you do when doing business with Guardian:

All work will meet or exceed local & national requirements

The job will be done right the first time, every time

Technicians are background checked & drug tested

Help your friends and family members save time and money by using the best in our trade. Let them in on the secret of getting things done with one phone call to Guardian.

*Guardian will give you $50, and the person you referred will get a $50 discount.

Referral Program

Your Name(Required)
Your Address(Required)
Friend's Name(Required)
Friend's Address(Required)

*Referred person must be a first-time customer of Guardian Heating & Cooling. Lucky person who was referred: At the time of your first appointment, present the confirmation email or print a copy of it to your technician and you will receive a $50 discount off your first invoice. The awesome person referring new customers: You will receive a $50 credit on your account for your next service after the referred person presents their email at their first appointment. If you do not receive emails after filling out this form, let our office know immediately.

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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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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.