About Us

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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.

After years of experience in his field, Brian joined the Environmental Technical Institute faculty as both an instructor and Assistant Director of Education.  In 2006, he left the school to start Leith Heating and Cooling Inc.

Leith Heating and Cooling, Inc. is a member of the Northern Kane County Chamber of Commerce and the Better Business Bureau

Leith Heating & Cooling Inc. services the Fox River Valley and surrounding suburbs (West Dundee, East Dundee, Carpentersville, Sleepy Hollow, Gilberts, Huntley, Lake in the Hills, Hoffman Estates, Schaumburg, Elgin, Barrington , Algonquin ) with knowledge, experience and total customer dedication.

From 2007 to 2016, Leith Heating and Cooling Inc. was rated one of the top companies in the country by Angie’s List. We are proud winners of the Angie’s List Super Service Award for 9 years. 

Leith Heating & Cooling Inc. is also in the Participating Energy Efficiency Contractor (PEEC) Network.  The PEEC Network will serve as a resource for utilities and homeowners with a web-based listing of contractors trained by utilities to properly install and maintain high-efficiency equipment offered through their energy efficiency programs.

Leith Donations / Community Action

At Leith Heating and Cooling Inc., we believe in supporting our community’s greatest resource – our children – by supporting youth education and recreation.

We have donated to:  the Baird & Warner “Back to School Drive”, Tri-Cities Little League, Highlands Elementary School annual PTA silent auction, Dundee-Crown Athletic Dept., Dundee Crown Girl UP, Dundee Middle School and the Northern Kane County Chamber of Commerce.

Leith has been a proud sponsor for: 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.