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Rated 4.9 Stars on Google!

Northwest Chicagoland's Most Trusted HVAC Repair & Replacement Service

Keeping Lake Barrington, Barrington, Algonquin, Cary, Crystal Lake, Palatine, Wauconda and surrounding areas cozy all winter long, since 2009!

Over 16 Years of Heating & A/C Experience

Thomas Gilhooly started Northern Comfort in 2009 to offer commercial and residential duct repair and cleaning services. Since then, the company has grown to offer a comprehensive menu of heating and cooling repair services, as well as installations of Carrier brand equipment.

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We Can Repair & Service Any Make & Any Model of Heating & Cooling System

At Northern Comfort, we don’t just offer services – we offer expertise. Every technician on our team is highly trained and certified to handle even the most complex HVAC challenges. From routine maintenance to emergency repairs, we bring precision and knowledge to every job. Whether you’re a homeowner in Lake Barrington or a business owner throughout Barrington, you can count on us for solutions that last.

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A Legacy of Trust and Reliability

At Northern Comfort, we believe your comfort is non-negotiable. That’s why we use only the highest-quality products and cutting-edge technology in every service we provide. We are proud to partner with industry-leading brands to ensure you receive energy-efficient, durable, and cost-effective solutions that stand the test of time.

Welcome to Northern Comfort: Your Reliable Partner for HVAC Solutions

Since day one, we’ve been committed to building trust with our clients. As a small, family-owned business, we understand the importance of personalized service. When you choose Northern Comfort, you’re not just a customer – you’re part of our extended family. Our dedication to quality and customer satisfaction has earned us a reputation as Lake Barrington's most dependable HVAC provider in Northwest Chicagoland.

At Northern Comfort, our goal has always been to exceed expectations. Whether you need duct cleaning, HVAC repairs, or new system installations, we’re here to help. Serving Lake Barrington, Barrington, Algonquin, Cary, Crystal Lake, Palatine, Wauconda and surrounding areas, we bring our expertise to homes and businesses across in Northwest Chicagoland.

From The Blog

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January 20, 2025

Preparing Your Chicago Home for Winter

HVAC Tips from Northwest Chicagoland's Expert Technicians As temperatures drop in Chicago, ensuring your home’s heating system is ready for the season is essential. At Northern Comfort, we specialize in helping homeowners across Northwest Chicagoland stay warm and comfortable, no matter how harsh the winter gets. Follow these tips to prepare your HVAC system for Chicago’s colder Continued…

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carrier hvac huddle up

January 18, 2025

Winning the Energy Game with Efficient Heating and Cooling

5 Tips for Maximizing the Efficiency of Your HVAC System Your HVAC system is one of the most important investments in your home’s comfort and energy efficiency. At Northern Comfort, we understand the value of keeping your system running at peak performance. Whether you’ve recently installed a Carrier system or are maintaining an older unit, Continued…

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