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312-818-2840
A Tradition of Excellence for over 72 years in Chicago and surrounding areas!

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Call today to schedule a service call or to request a free estimate on new equipment. Open Monday-Friday.

Save Over $10,000 $129 Tune-UP Maintenance Special Financing Available

2024 Carrier President's Award

Heating

Air Conditioning

Financing

Maintenance

Air Conditioner Repair Chicago, IL | AC Repair Northbrook, IL | HVAC Company Lincoln Park, IL

Family owned and operated, Guardian Heating & Cooling Service specializes in residential and commercial HVAC services in Chicago, IL and surrounding areas, providing customized solutions to everyday challenges. We are large enough to handle your needs, and small enough to care. Contact us at 312-818-2840, speak with a knowledgeable and friendly representative of our staff, and let us help you improve the comfort, health, and control over your indoor environment. Through industry-leading equipment and skilled workmanship, we deliver results you can trust.
We have now opened a new office in Northbrook so we can better serve our Northshore customers.

Expert Heating & Cooling Services & Repairs

Guardian Heating & Cooling Service offers a wide range of opportunities to enhance energy efficiency and maximize heating/cooling system reliability. Whether you’re considering new installation, retrofit, maintenance, or repair of anything from radiant floor heating to a furnace, boiler, heat pump, central cooling, snowmelt system, and much, much more, our factory trained and certified technicians are up to the task.

HVAC Installation, AC Repair, AC Service & Air Conditioning InstallationChicago, IL, Northbrook, IL, Lincoln Park, IL, Skokie, IL, Glenview, IL & Highland Park, IL

Trust in our team for all your HVAC repairs, maintenance & installations in Chicago, IL and surrounding areas!

We show up right on time, take pride in a job well done, and have developed the best maintenance plan on the market. For exceptional residential and commercial HVAC services, Guardian Heating & Cooling Service is the right choice for unmatched value throughout Chicago, Northbrook, Lincoln Park, Skokie, Glenview, Highland Park, Wilmette, Niles, Morton Grove, Glencoe, and Winnetka, IL. Contact us today for your local HVAC experts today!

Air Conditioner Repair ∴ Heating Service ∴ HVAC Company ∴ Northbrook, IL ∴ Morton Grove, IL ∴ Chicago, IL

Save today with our special offers

You love getting good deals, so here are some coupons to show our appreciation for considering us for your next heating or cooling installation or repair.

Special Offers
  • Limited Time Air Conditioner System Savings – Up to $1,700 off complete system

    *Restrictions apply. Cannot be combined with any other offers. Must present coupon at time of service. Not valid on prior purchase. See dealer for details and complete system requirements.

    Expires: 06/27/2025

  • 30% Off Any Repair with the Purchase of a Maintenance Agreement

    *Restrictions apply. Cannot be combined with any other offers. Must present coupon at time of service.

    Expires: 06/15/2025

  • $500 OFF Air Conditioner

    *Restrictions apply. Cannot be combined with any other offers. Must present coupon at time of service.

    Expires: 06/15/2025

  • No-Interest Financing

    For up to 72 months with Approved Credit.
    With Approved Credit. On Qualifying Systems only. Call Amber for details.

    Expires: 12/31/2025

What our clients are saying

Installing the best and servicing the rest!

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