WJO Chicago

WJO Chicago WJO Chicago is a mechanical contracting & services company. WJO Chicago is an MZI Group company specializing in mechanical work.

At our core we believe in connecting to the communities we are a part of while delivering world-class service and providing the exemplary support.

Here at WJO Chicago, we are experts at retrofitting boilers into tight spaces. Our combination of rigging, piping, and s...
01/31/2023

Here at WJO Chicago, we are experts at retrofitting boilers into tight spaces. Our combination of rigging, piping, and service skills allow us to complete complex jobs safely and efficiently. We are especially proud of this job in which we installed four boilers and two domestic water heat exchangers. Consider WJO Chicago for your next job!

At WJO Chicago, our welding abilities are top notch. For large projects, we will even pre-fabricate pipe in our shop! ...
01/24/2023

At WJO Chicago, our welding abilities are top notch. For large projects, we will even pre-fabricate pipe in our shop!

In preparation for this winter, WJO Chicago rebuilt a commercial heat exchanger for Park Tower Condos. Our technicians l...
01/11/2023

In preparation for this winter, WJO Chicago rebuilt a commercial heat exchanger for Park Tower Condos. Our technicians lowered the over two-ton heat exchanger down 10ft ,opened it up, removed the bundle, and delivered it to Petro-Chem Industries. There they built a custom bundle to the exact specifications needed. We then delivered it to the jobsite, and after carefully inserting the tubes into the shell, our technicians rigged this behemoth back up to its spot and piped it back into the system. Consider WJO Chicago for your next Commercial HVAC Retrofit Project. We have a flexible team with big capabilities that provide the right solution!

Welcome to WJO Chicago! We are so excited for the launch of our new social media channels to help you stay connected and...
01/06/2023

Welcome to WJO Chicago! We are so excited for the launch of our new social media channels to help you stay connected and informed. We love being a part of the MZI Group Inc. family and encourage everyone to follow along with us on all of our new socials!

Address

1928 W. Fulton Street
Chicago, IL
60612

Opening Hours

Monday 8am - 4pm
Tuesday 8am - 4pm
Wednesday 8am - 4pm
Thursday 8am - 4pm
Friday 8am - 4pm

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