The Most Reliable HVAC Company

About Leith Heating & Cooling

When reliability is key, call someone you know will deliver

Leith Heating & Cooling is a veteran and family-owned and operated business. Contact us 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 is certified by 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.


Angie’s List rated Leith Heating & Cooling 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 Heating & Cooling has also won the Kane County Chronicles Readers’ Choice Awards Representing Kane County as the Best of the Fox for 2018.

We Support Our Community

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

Proud Sponsors of…