Air Conditioner Repair, A/C Repair & Air Conditioning RepairWilmette, IL, Skokie, IL, Park Ridge, IL, Morton Grove, IL, Niles, IL, Chicago, IL, Evanston, IL, Lincoln Park, IL

Whatever your complaint with your air conditioner, Guardian Heating & Cooling Service is here to help. We specialize in prompt, affordable, and expert repair of all makes and models of cooling systems across Chicago, IL and surrounding areas. As a family owned and operated HVAC business since 1953, we know how to do the job right. We remain committed to your satisfaction and earn your long-term business through convenient scheduling, on-time arrival, tidy job sites, quick turnaround, and lasting solutions. Guardian Heating & Cooling Service is large enough to handle your needs and small enough to care.

Reliable Air Conditioner Repairs

Our factory trained and NATE-certified technicians are outfitted with smart technology to accurately diagnose the cooling system. We tell it to you straight and offer cost-effective recommendations. Recognizing the importance and value of the equipment, we target sustainable solutions and strive to restore efficient, reliable, and peak performance.

Rely on our team for your air conditioning repair services!

Whether you’re faced with minor maintenance issues or complete system failure, Guardian Heating & Cooling Service prepares for the job and is here to serve your best interests. Give our team of fully licensed, bonded, and insured professionals a call at (708) 628-5443. We restore comfort across Lincoln Park, Skokie, Chicago, Niles, Evanston, Wilmette, Park Ridge, and Morton Grove, IL.

Serving Chicago, IL and surrounding areas

Air Conditioner RepairA/C RepairAir Conditioning Repair

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

$89.00 Preventative Maintenance Cleaning on a Residential Furnace, A/C, or Boiler

Regularly $109.00

(708) 628-5443


No ladder setup. Cannot be combined with any other offers or discounts.

Expires: 07/31/2019

$100 Off a Carrier Furnace, A/C, or Boiler

(708) 628-5443


Cannot be combined with any other offers or discounts.

Expires: 07/31/2019

What our clients are saying

Mo W.

Guardian is a top notch company and John is one of the most outstanding technicians I’ve ever worked with. He’s a trustworthy contractor who explains potential issues as he finds them, and breaks down the process of replacement so that anyone can understand it. I own 12 HVAC systems and I’ve seen more than my share of maintenance. I’ve used Guardian for years and these guys are simply the best.

Keith B.

Have used Guardian for years. Recently had a new furnace and central air installed and I couldn’t be happier. I really trust them because the workers are always extremely knowledgeable, good problem solvers, and they explain everything in terms I can understand. The guys are always very nice, and respectful, also. Highly recommend Guardian Heating & Cooling.

Laurie E.

Just had another great maintenance visit to prepare my old A/C units (2) for the summer. John was thorough and informative. Great job.

I have used Guardian Heating for over 15 years. And my original Rheem furnaces(zoned heat) are still running! I use their maintenance contracts to get reminders, advance scheduling and discounts on annual furnace and A/C checkups/cleaning. They are always quick to respond to a service request. I highly recommend them.

We service all makes and models