Northern Air Systems, Inc.
Northern Air Systems, Inc. is a HVAC provider serving Gurnee, IL. Rated 4.9★ with 151 Google reviews. See services, review signals, and request a quote.
HVACGurnee, IL
On this page
Company overview
- TradeHVAC
- Service areaGurnee, IL
- Google rating4.9★ (151 reviews)
- Phone(847) 223-8877
- Address683 Center St, Grayslake, IL 60030, USA
Photos
Photos from Northern Air Systems, Inc.
What customers say
“Today, February 23, on Waukegan Rd I had a very unpleasant experience with one of this company’s trucks. The driver was behaving aggressively — cutting me off, honking, and repeatedly braking in front…”
“The answering service was very polite and helpful. Scott called back within 5 minutes and arrived within a half hour of my initial call. He got the unit running and will be back to complete the repa…”
“I highly recommend Northern Air Systems! I phoned them at 10 am on the morning of July 4th. Scott was at my home by 10:30 am and had my AC up and running again by 11 am. I very much appreciated Scott’…”
“Our furnace stopped working completely. Scott the technician was awesome. He diagnosed the problem in our furnace and made the necessary repairs in less the. 30 minutes. I am always impressed with Nor…”
“I’ve been a customer of Northern for almost 20 years. They take care of my furnace and central AC which are now 26 years old. Northern comes twice a year to service my heat and air. They are always on…”
Key highlights
Strengths
- Highly rated (4.9★ average)
- Large review volume (151 reviews)
Things to ask
- Confirm availability for your area and timeline
- Ask about warranty terms on parts and labor
- Request a written estimate before work begins
- Ask about payment plans or financing
Explore nearby research
Frequently Asked Questions
What services does Northern Air Systems, Inc. offer?
Northern Air Systems, Inc. provides: HVAC diagnosis, repairs, and full system installs. They serve residential and commercial customers in Gurnee, IL.
What is Northern Air Systems, Inc.'s rating?
Northern Air Systems, Inc. has a 4.9 out of 5 star rating based on 151 Google reviews.
Is this company licensed in Illinois?
All listed providers have a verified Illinois contractor license at time of publication. You can verify on the Illinois Department of Financial and Professional Regulation (state business registration) plus municipal HVAC licensing (e.g. City of Chicago Department of Buildings) lookup at https://online-dfpr.micropact.com/Lookup/LicenseLookup.aspx.
Does Northern Air Systems, Inc. offer emergency service?
Contact them directly to ask about emergency availability and after-hours service.
How do I request a quote?
Use the CTA below to submit your ZIP. You can message this company alongside two or three other local pros for easy comparison.
Licensing verified 2026-04-22. Reviews refreshed 2026-04-22.
Licensing data: Illinois Department of Financial and Professional Regulation (state business registration) plus municipal HVAC licensing (e.g. City of Chicago Department of Buildings) · Company data: verified business records + Google Business profile
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