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Northstar HVAC/R

Commercial HVAC in Chicago, IL

HVACR Service & Repair

Decades of Trust, Craftsmanship and Local Expertise.

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HVAC Services In Chicago, IL

When it comes to commercial HVAC in Chicago, IL, downtime isn’t an option. At Northstar HVAC/R, we’ve built our reputation on keeping Chicagoland businesses comfortable and efficient. 

From office buildings in the Loop to manufacturing facilities in the suburbs, our commercial HVAC expertise covers all your heating and cooling needs. We understand the unique challenges of Chicago’s climate and provide tailored solutions that keep your systems running at peak performance.

Benefits Of Commercial HVAC Services

Need Help? Give Us A Ring At +1 (224) 398-9199

Reviews

Real-Time Feedback from Our Customers

Joshua Fredrick
    Joshua Fredrick

    Running a restaurant means I can't afford HVAC problems, especially during rush hours. Northstar has been handling our kitchen ventilation and AC systems for two years now, and they've been incredible. Their maintenance program has practically eliminated emergency calls, and when we did have an issue...

    Anthony M.
      Anthony M.

      After dealing with three different HVAC companies for our office building, we finally found Northstar. Their team actually took the time to understand our setup and suggested improvements that cut our energy bills by 30%. They're always available when we need them, and their technicians...

      Need Help? Give Us A Ring At +1 (224) 398-9199

      Commercial HVAC/R Services

      Commercial HVAC Systems

      Regular Maintenance

      Energy Efficiency Upgrades

      Industrial HVAC Solutions

      Commercial Refrigeration

      Building Automation

      About Us

      Meet NorthStar: Illioni's HVAC Experts


      Think of us as your building’s comfort specialists. We’re not just another HVAC company – we’re your long-term partner in maintaining optimal indoor conditions. Whether you need routine maintenance, emergency repairs, or system upgrades, our team has the tools and knowledge to get the job done right the first time. We pride ourselves on being straightforward, reliable, and always putting our customers first.

      No fancy sales pitches here. Just honest advice, fair prices, and solutions that actually work for your space and budget. From frozen pipes in January to AC emergencies in July, we’ve handled it all. And we stand behind every job we do, because that’s what good neighbors do.

      Need Help? Give Us A Ring At +1 (224) 398-9199

      Why We Stand Out

      Our Core Values

      Attention to Detail

      We treat every job like we’re working on our own home – checking, double-checking, and making sure every little thing is just right.

      Customer Satisfaction

      Your comfort isn’t just our goal, it’s our promise – we’re not done until you’re completely happy with the job.

      Local Expertise

      Your comfort isn’t just our goal, it’s our promise – we’re not done until you’re completely happy with the job.

      Commitment to Excellence

      We don’t just aim to fix your HVAC issues – we want to be the team you trust and recommend to your friends and family for years to come.

      Reliable Service

      When you need us, we’re there – no long wait times, no run-around, just quick, dependable service you can count on.

      Location

      We're Serving Chicago, IL

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