Offering 24 Hour Furnace Repair & HVAC Service

to Wilmette, Northbrook, Morton Grove, IL and Surrounding Areas

Ever since we opened our doors in 1981, the knowledgeable staff at Assurance Heating & Air Conditioning has dedicated itself to providing the whole spectrum of indoor comfort services to the homes and businesses of Cook & Lake County, Illinois. Our technicians are highly competent in their field, each performing their individual specialties with deftness and precision. That’s why you can be sure you’ll receive top-quality service when you call the HVAC provider whose name says it all.

Because assurance is something we know you not only appreciate but also expect from your furnace repair contractor, we’re happy to inspire the confidence you need to enjoy ongoing peace of mind. No matter what kind of HVAC or other residential or commercial service you need – from heating system installation or maintenance to furnace or air conditioning repair – you can depend on Assurance Heating & Air Conditioning for quality work every time.

Our Lineup of HVAC Services

When you work with the knowledgeable heating and cooling specialists at Assurance, a single HVAC contractor is all you’ll need to handle your most challenging jobs. Because we offer a complete lineup of indoor comfort services, we’re able to handle your project from beginning to end, addressing all your HVAC wants and needs.

We’re proud to offer the following comprehensive lineup of HVAC services to the homes and businesses in Cook and Lake Counties:

Air conditioning, heating, and furnace repair
24/7 emergency air conditioning and heating repairs
HVAC consultation services
HVAC system sizing and Manual-J load calculations
System layout and design services
New construction and replacement HVAC installations

Air conditioner, heat pump, and furnace maintenance
Heating, ventilation and air conditioning maintenance agreements
Indoor air quality products and services
Water heater installation, maintenance and repair
Home insulation services for attics and other areas
Snow-melt system installation, maintenance and repair

Backed by over 30 years of experience and service, we now provide residential and commercial air duct cleaning services for our customers in the northern Chicagoland area. Whether it’s to enhance your HVAC system’s efficiency or improve your indoor air quality, you can depend on our experienced team of service technicians to clean your ducts carefully.

Why You Can Trust Us With Your HVAC Needs

What to expect from us…

At Assurance, we believe in providing the quality products and competent, professional service that inspire our customers to return to us every time they face an HVAC need. Because we always strive to provide the most competent and responsive service, we’re proud to say that we have a growing list of satisfied customers. Were you to speak with any of these customers, you would learn the many valid reasons you have for choosing us as your Buffalo Grove, Illinois, HVAC contractor. Here’s a list of the reasons our customers give:

100% Guarantee

With fast, friendly service

Speedy Response Time

With technical excellence

Free Service Quotes

With budget-stretching online specials

24/7 Emergency Service

For air conditioning and heating repairs

Great Local Reputation

Over 35 years of excellence in Cook & Lake County, IL

Quality HVAC Solutions

We offer a complete lineup of indoor comfort services

What Our Customers Are Saying

Donna Kaplan

5
5/5
4 weeks ago

Bart was amazing! He took care of everything that needed to be done. However, he went way beyond and educated us on so much that we did not know. Now we can take better care of our furnace and humidif... Read More

Bart was amazing! He took care of everything that needed to be done. However, he went way beyond and educated us on so much that we did not know. Now we can take better care of our furnace and humidifier. We will certainly request him for our future check-ups! Thank you Bart! Read Less
David Wolf

5
5/5
3 weeks ago

Great service. The tech Bart was professional and easy to talk too. I have been a long time customer of Ken F. and always had great service.
Jordan Fox

5
5/5
2 months ago

I had an issue with my AC and Ben from Assurance came out and diagnosed it. He was professional and very helpful. I will definitely be using assurance and Ben for my future needs.

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Assurance Heating & Air Conditioning, Inc.

24/7 Emergency Services
Contact Us Today

(847) 388-0316