Reviews for Northern Air Systems, Inc.

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  • July 2024

    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 repairs. I highly recommend this company.

  • June 2024

    The firm has a great crew of technicians and they are all pretty good at their trade. I've used them for my furnace an air conditioning needs for many years. However, I recently found that they are quite expensive so I have found another firm to help me.

  • December 2023

    Great customer service, extremely knowledgeable HVAC professionals, on-time and thorough, and great communication skills explaining the service they are providing. Shout out and thanks go to Joe!

  • Northern Air Systems, Inc.

    683 Center St, Grayslake

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