FOR HEATING AND AC SERVICES

CALL (618) 759-2324

Who We Are

The Best HVAC Company in Williamson County

About Lakeside Heating & AC

Welcome to Lakeside Heating & AC! Founded by Joe Doyle, and Carmen D'onofrio in 1988, Lakeside Heating & AC started as a family business and continues to honor those roots with every job we do.

Joe’s HVAC journey began in the 1980's when he took a chance working for his wife’s uncle at his Chicago HVAC company. That hands-on experience sparked a passion for problem-solving and the industry in general. After returning to Marion, he joined up with another HVAC company. A few years later, he started Lakeside Heating & AC. At the time, he only had one goal: provide honest service or find another line of work. Thankfully, honesty turned out to be the best business model.

Proudly Serving Williamson County

As a trusted HVAC company, we’re proud to be part of this community. Whether it’s furnace repair in Marion or a system installation, our focus is always on quality work and friendly service. We’re also known for tackling tough problems that other companies couldn’t resolve, earning us a reputation for excellence. You'll often see our trucks cruising around Marion, Creal Springs.

Our Mission

At Lakeside Heating & AC, our goal is simple: keep our customers comfortable without compromising their trust. In doing so, we aim to become the best HVAC company in Williamson County. We don’t push unnecessary sales or suggest services you don’t need. If a Marion furnace repair will keep your system going for another year or two, that’s what we’ll recommend. Loyalty is important to us, and we’re here to earn it by doing what’s right.

Our Values

  • Honesty and Integrity: Trust is everything. We always put your best interests first.

  • Craftsmanship: With over 30 years of combined experience, we take pride in delivering professional HVAC work.

  • Continuous Learning: Our technicians stay up-to-date with industry changes through ongoing factory training.

Why Lakeside heating & ac?

Our attention to detail makes all the difference. We deliver high-quality work and have a reputation for fixing problems others can’t. From tricky furnace repairs to flawless heater installations, we go the extra mile to ensure everything is done right.