When your HVAC system fails, you need someone who shows up fast and fixes it right. We’ve been keeping Chicago comfortable for years – no excuses, just results.
Don’t just take our word for it – our customers tell the real story about what it’s like working with Northstar HVAC/R. From emergency repairs to full system installations, here’s what Chicago businesses and homeowners are saying about the experience.
Matt KTrustindex verifies that the original source of the review is Google. I would give Northstar 6 stars if I could they were absolutely amazing! I had 3 other companies out before them and none could find the problem except for northstar, they had my unit up and running in no time. Will be my go to from now on highly recommend Jim O'HaraTrustindex verifies that the original source of the review is Google. Northstar came out and fixed my heat very quickly. The price was fair and Kareem was very straight forward and easy to deal with. I highly recommend ZainTrustindex verifies that the original source of the review is Google. This HVAC company did it all for me. On top of the service I was able to have a good conversation with the technicians. The staff is full of nice people and they got the job done really quickly! I hope not to have an emergency again but if I do, I’ll have some quality techs on speed dial with Northstar HVAC. Thank you! Aaron RoldanTrustindex verifies that the original source of the review is Google. Northstar Hvac did a great job. Easy to work with and would hire again! Neveen HabeebTrustindex verifies that the original source of the review is Google. Great and reliable company! Showed up on time as expected, explained everything to me thoroughly and price was very reasonable. They came out after I had a carbon monoxide leak in my house to replace the furnace same day. Left at 8pm to make sure we had heat! Thanks! Paul EdwardsTrustindex verifies that the original source of the review is Google. Came to look at my furnace. Had it diagnosed in minutes. Very knowledgeable, very professional. Will definitely call him again.Verified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more
We approach every project with the same care and attention we’d want for our own families’ comfort and safety.
As a Chicago-based company, we understand the unique challenges of our climate and are invested in serving this community for the long term.
We’re committed to supporting local businesses and homeowners because we believe in building stronger neighborhoods together.
You’ll work directly with experienced professionals who give you straight answers and practical solutions, not sales pitches.
Northstar HVAC/R was founded on a simple principle: Chicago deserves reliable heating and cooling service from people who actually understand this market. We’ve seen too many property owners struggle with contractors who overpromise and underdeliver, leaving them frustrated and uncomfortable.
Our team brings decades of combined experience to every project, whether it’s an emergency repair for a downtown office building or a complete system replacement for a family home.
We’ve built our reputation by consistently showing up on time, diagnosing problems accurately, and providing solutions that make sense for your budget and timeline. Every technician on our team is fully licensed, insured, and committed to delivering work that meets the highest industry standards.
We take pride in developing long-term relationships with our clients, because we know that trust is earned through consistent performance over time.
Our goal isn’t just to fix your immediate problem – it’s to become the HVAC partner you can count on for years to come.
When you work with Northstar, you’re working with professionals who stake their reputation on every job we complete.
Whether you need emergency repairs, routine maintenance, or complete system installations, Northstar HVAC/R delivers professional service that keeps your property comfortable year-round. Our experienced technicians handle everything from small residential fixes to large commercial projects with the same attention to detail and commitment to quality.
From furnace tune-ups to complete air conditioning installations, we keep Chicago homes comfortable through every season.
We understand that downtime costs money, so we work efficiently to keep your business operations running smoothly with minimal disruption.
Regular maintenance prevents costly breakdowns and extends your system’s life – we’ll create a schedule that fits your needs and budget.
We keep your commercial refrigeration systems running reliably, protecting your inventory and maintaining the temperatures your business depends on.
Our smart building solutions give you complete control over your HVAC systems, optimizing energy efficiency and reducing operational costs.
We know you have choices when it comes to HVAC service, but there’s a reason Chicago property owners keep choosing Northstar HVAC/R. Here’s what sets us apart from everyone else in the market.
See the quality of our work firsthand through real projects we’ve completed for Chicago area businesses and homeowners. Every installation, repair, and maintenance job reflects our commitment to professional craftsmanship and customer satisfaction.





























































































































We offer 24/7 emergency service and aim to respond within 2 hours for urgent situations.
Yes, we provide free, no-obligation estimates for all installations and major repairs.
All our technicians are fully licensed, bonded, and insured for your protection and peace of mind.
We service all major HVAC brands and can recommend the best options for your specific needs and budget.
Yes, we offer flexible maintenance plans that help prevent breakdowns and extend your system’s lifespan.
Most residential installations take 1-2 days, while commercial projects vary depending on system complexity.
We accept cash, check, credit cards, and offer financing options for qualified customers.
Yes, we stand behind all our work with comprehensive warranties on both labor and parts.
Northstar HVAC/R brings reliable heating, cooling, and refrigeration services throughout the greater Chicago metropolitan area. From downtown high-rises to suburban homes, we’re your local HVAC experts ready to keep you comfortable no matter where you’re located.