Providing Air Conditioning Repair, Installation and Replacement Services to Buffalo Grove, Northbrook, Morton Grove, IL and Surrounding Areas
Staying consistently cool throughout the summer requires an air conditioning contractor who thoroughly understands cooling technology and has the skills needed to provide professional quality air conditioning repair and installation services. In Cook & Lake County, Illinois, and the surrounding areas, that means Assurance Heating & Air Conditioning.

When you need air conditioning service of any kind, call Assurance. Don’t wait until the summer heat sets in. Get a jump on the cooling season by scheduling your service ahead of the heat. Our NATE-certified, factory-trained technical crews are standing by to serve you.
Our Air Conditioning Service Lineup
At Assurance Heating & Air Conditioning, we offer the following AC services:
- Cooling system consultations
- Correct air conditioning system sizing
- Manual-J cooling load calculations
- Air conditioning system layout and design
- Air conditioning installation
- Air conditioner maintenance
- Preventative air conditioning maintenance plans
- Air conditioning repair service
- 24/7 emergency air conditioning repairs
New or Replacement Air Conditioning Installation Services
Whether you’re planning a new construction project or you simply need to replace your current air conditioning system, our comfort consultants will work with you to select the equipment that will best meet your needs. Our experienced installers will handle every aspect of your air conditioning installation with promptness and precision. Residential or commercial, your equipment will be competently installed and operating properly before our installers leave the premises.
Air Conditioning Maintenance & Maintenance Plans
Though it can often be easy to ignore, regular air conditioning maintenance is crucial to the long-term efficiency of your cooling system. We offer regular tune-ups and system checks that’ll not only help keep your system running smoothly but also catch small issues before they require major repairs. Regular tune-ups can also greatly increase your system’s life. Our preventative maintenance plans make it easy to stay on schedule with your HVAC system’s upkeep.
Air Conditioner Repair & 24/7 Emergency Repair Service
Your air conditioner works hard during the summer months to provide the cooling that helps keep you stay comfortable in even the hottest weather. So, periodically, you may find that it malfunctions and needs repair. To avoid further problems, call us as soon as you notice that something is amiss with your system. Our knowledgeable experts will see to it that your air conditioner is repaired promptly – before the problem gets worse. Remember: Anytime you experience an air conditioning emergency, you can count on our help 24/7.
Call Assurance for Dependable Local Air Conditioning Service
At Assurance Heating & Air Conditioning, we serve Cook and Lake Counties. If you live or own a business within our service area, contact us today to schedule your service. We look forward to helping you solve all your air conditioning challenges.
Special Savings
Check out our HVAC Install and Repairs Specials!
Browse Our Website for More Information About Our Services
If you're seeking a reliable HVAC contractor in Cook or Lake County, why not browse our website pages and get in touch? Our team is always standing by to answer your HVAC questions and help you determine which of our services would benefit you the most.

Why Choose Us
24/7 Emergency Service
Same-Day Service Available
Speedy Response Times
100% Satisfaction Guaranteed