Reviews for GMS Heating & Cooling

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  • June 2026

    Ed and his team have serviced an old furnace and A/C I had in my home for the last few years. Each visit, they were open and honest and always repaired any minor issues (over 30 year old HVAC system). This year, my furnace finally started giving out after powering me through the winter.

    Ed took care of me again and gave me a fair estimate for a total replacement of my HVAC system. The guys who came out to install were very professional, detailed, and personable. Picked up the mess and were efficient through it all. (Alex and Josh) 10/10 service and work all around!

  • April 2026

    GMS/Blue Line replaced the entire HVAC system of my mother's condo. They are super polite and helpful. Prices are very reasonable, fair and honest. The installation crew was so lovely and helpful. They went out of their way to do an amazing job and kept everything clean along the way. They did not cut corners in any way and their pride in their work showed. I recommend them without hesitation and commend them for such service.

  • August 2025

    These guys are the best! Really impressed with this HVAC company. The techs were super honest and upfront. No pressure or upselling, just straight answers. I walked away feeling like I actually understood my system better, which was awesome. Definitely recommend, genuine customer care! Great referral!

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    GMS Heating & Cooling

    6022 Dempster St, Morton Grove

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