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Offering 24 Hour Heating & Air Conditioning 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 heating and air conditioning 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
homeowner checking air vent
Breath EZ Home solutions, LLC

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

  • Assurance was incredible. They sourced products that were high quality and substantially warranted, their prices were better than competitive, and the speed at which they serviced my HVAC was immediat... Read More
  • We've had Heating and Air Conditioning tuneups several times from Harvey's staff: Dave, Carlos, Dennis and Syed. All were honest, knowledgeable and reliable. We highly recommend Assurance.
  • My fiancé and I recently had a wonderful experience with Assurance and wanted to share. We had a minor issue with our AC and somebody was out within a couple of hours. Ben was a pleasure to work with... Read More

Assurance Heating & Air Conditioning, Inc.

24/7 Emergency Services
Contact Us Today

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