Great Lakes Plumbing and Heating Company

Building connections from the inside out.

Business and living spaces are heated and cooled efficiently. Air quality is healthy. People and property are well-protected. And systems are serviced to maintain peak performance.

Simply put, Great Lakes works behind the scenes to make buildings run.


We design and install commercial plumbing systems in and around the city we call homeChicago.

Since 1946, our family has been the plumbing contractor of choice because we have the talent and technology to deliver commerical plumbing solutions as designedon time, on budget.

Plumbing. It’s what we’re known for.


As experts in mechanical contracting, Great Lakes designs and installs innovative heating and cooling solutions to create healthy environments.

With a relentless focus on quality and safety, we excel in mechanical trade piping systems.

Mechanical contracting. It’s what we do every day.

Fire Protection.

Fire protection has to be done right. Period. That’s why Great Lakes has professional engineers on staff with an uncompromising focus on safety and quality.

We install and service fire protection systems to protect people and property.

Fire protection. It’s what we’re experts in.


Sometimes, building the right connections requires a special, customized approach.

That’s where Great Lakes come in. Our  team designs and builds fire and plumbing systems that solve complicated challenges.

Design/Build. It’s what we’re skilled to do.


Plumbing, mechanical and fire safety systems need to be serviced, and we’re the team that gets the call. Great Lakes is the go-to for servicing systems we’ve installed and those we haven’t.

Whether it’s an emergency or on a routine basis, we’re here to help where and when you need it.

Service. It’s what we’re here for.

Special Projects.

Every job is an opportunity to go above and beyond. We manage and deliver work on time and on budget, including those special, out-of-the-ordinary projects.

Our team of experts creates practical yet innovative solutions to solve challenges — large and small.

Special projects. It’s what makes us, us.