Greater Chicago’s Leader in commercial HVAC & REFRIGERATION systems

Exceptional Customer Satisfaction Since 1998

TCJ Mechanical

Founded in

Commercial HVAC Chicago, IL

Commercial Refrigeration, Heating, AC Service & Installation

First-Time Performance Exceeding 99.5%

An industry leader in the greater Chicago area, TCJ Mechanical has provided exceptional customer satisfaction since 1998.

We are intensely focused on customer deliverables, we stand behind our work, and our greatest strength is proving a solution the first time around in a transparent manner.

With more than 100 years of collaborative experience in the design, installation and service of commercial HVAC & refrigeration systems, TCJ partners represent a diverse set of commercial and industrial customers, from restaurants, to high-rise office buildings and industrial plant locations.

As a specialist that excels at corporate refrigeration service and preventative maintenance, TCJ has raised the bar well above industry standards with a first-time performance that exceeds 99.5%!

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Service Areas

Preventative Maintenance

Commercial Refrigeration

HVAC&R Design

& Support

Customer Testimonials

More Responsive. Better Quality People.

SINCE 1998

commercial hvac

Over 90% of Customers Who Partnered With Us Made TCJ Mechanical Their Final Choice


About Us

Why TCJ Mechanical?

With TCJ, you will always receive the highest quality work, professional expertise and competitive pricing.

Our business is based on building trusting relationships with every customer, and as a result, our customers stay with us for the long term.

Over 90% of our customers who have decided to partner with us have made TCJ Mechanical their final choice. We will work with you as a partner in business, and guarantee that we will find the most economical and lasting solutions to your climate control needs.

What businesses do you serve?

Our customer base is very diverse, covering the corner restaurant to multi-level office buildings, and our expertise is sure to encompass whatever you may need for your unique business.

What is your service area?

We service businesses throughout the Chicago and surrounding areas.

What services do you offer?

For 22 years, TCJ Mechanical’s licensed and professional technicians have applied their experience and training to handle any installation or service needs relating to corporate climate control.

We are confident in our ability to handle any HVAC&R project you may have now as well as the dedication to help you with all your future environmental control needs.

We at TCJ believe that no installation, maintenance project or service call is too small or too large.

We offer complete service as well as several HVAC&R preventive maintenance contract options to insure your facility will always stay operational. Our clients can always count on our service team to provide you with a quick response, accurate problem diagnoses and repair always at a reasonable cost.

We especially excel in corporate refrigeration where our company has defined the industry standard for service and preventative maintenance as well as providing complete solutions to meet the needs of this diverse market.

What manufacturers do you service?

We service the leading manufacturers including Coldzone, Cooltec, Trenton, Trane, Carrier, York, Lennox, McQuay and more!

Schedule a service request today!