Serving the Chicago NW Suburbs

About Us

When reliability is key, call someone you know will deliver.

The Most Reliable HVAC Company

Leith Heating and Cooling is a veteran and family owned and operated business. Contact us at 847.851.8698 to speak to a friendly member of our team who will dedicate our full resources to the quick resolution of your problem. We pride ourselves in our work and in our ethical business practices. We always strive to keep long lasting relationships with our customers and build that trust through honesty, quality and craftsmanship.


Illinois Commerce Commission Certified

Leith Heating & Cooling, Inc. is certified with the Illinois Commerce Commission as an energy efficient installer. Because of this, we can be an energySMART trade ally with Nicor Gas and a trade ally with Com Ed for rebates.
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Award Winning

Angie’s List rated Leith Heating & Cooling, Inc. one of the top companies in the country from 2007-2017 as the proud winners of the Angie’s List Super Service Award for 10 years. Leith has also won the Kane County Chronicles Readers’ Choice Awards Representing Kane County as the Best of the Fox for 2018.
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Proud Sponsors of..

  • West Dundee’s Annual Dickens‘ in Dundee
  • Dundee Township Park District Annual Father’s Day 5K Run
  • Dundee Middle School Golf outing
  • West Dundee Heritage Festival
  • Dundee Highlanders Wrestling
  • … and numerous other organizations in our area

We Support Our Community

We believe in supporting our community’s greatest resource – our children – by supporting youth education and recreation.

Proud Sponsors of…

  • West Dundee’s Annual Dickens’ in Dundee
  • Dundee Township Park District Annual Father’s Day 5k Run
  • Dundee Middle School Golf Outing
  • West Dundee Heritage Festival
  • Dundee Highlanders Wrestling
  • … and numerous other organizations in our area

Our Team

As an American Standard Factory Authorized Dealer, Leith has a trained staff of professionals to serve your needs for the extreme temps in the Fox Valley Area. We continue to train and update their knowledge through continuing education and training of the latest changes in HVAC technologies. They are trained to work on every type of system and as an American Standard Dealer, we can offer top HVAC products with factory rebates at affordable prices.

Brian Leith


Brian Leith, owner and founder of Leith Heating & Cooling Inc., is a dedicated service professional. He has over 20 years of experience, installing and servicing HVAC equipment including boilers, furnaces, air conditioners, and refrigeration equipment. Brian graduated first in his class in 1996 from Environmental Technical Institute. This is an accredited vocational school that specializes in the training of HVAC technicians.


Service Technician

Rocco Cervone is our service technician. Rocco has been in the industry for 10 years. He graduated from Environmental Technical Institute 10 years ago, where Brian had the pleasure of being one of his instructors. Rocco’s primary responsibility is to lead our service department where we can help you with all of your comfort needs.

Matt Bertone

Service Technician

Matt is the newest member of our team. Having graduated from Jacobs High School, he is excited to learn to service, repair, and replace light commercial and residential HVAC equipment. Since Matt has been with us, he has been nothing but exceptional with his work ethic and his mechanical ability.

Proud Partnerships And Affiliations

Why our Customers trust us with their HVAC needs