Commercial HVAC Installation & Replacement Services

Signs You Should Replace Your Commercial HVAC Unit

At 1 Source Mechanical, we're ready to tackle any issue—from inconsistent temperatures to strange noises and rising energy bills—so you can breathe easy and stay comfortable all year round. If you notice any of these symptoms, it’s time to give us a call for an evaluation of your HVAC system:


  • Inconsistent cooling and heating in different parts of the building.
  • Sounds such a rattling, banging or squealing.
  • Unexplained increase in energy bills.
  • Excessive indoor humidity.
  • Unpleasant smells such as burning or musty odors, or air that feels dirty.
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Upgrade Your

HVAC Today!

Experience top-notch rooftop HVAC services with 1 Source Mechanical. Keep your commercial property comfortable and efficient.

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Business Types We Do HVAC Installation For


With years of dedicated service in the Chicagoland area, 1 Source Mechanical is your trusted partner for HVAC solutions. 1 Source provides HVAC installations for all kinds of buildings, including schools, libraries, hospitals, hotels, restaurants, grocery stores, convenience stores, municipal buildings, manufacturing facilities, high rises, meat packers, and R&D facilities.

Commercial HVAC Installations in the Chicagoland Area

We service the greater Chicago area, west to Dixon, north to Rockford and south to I-80. Our offices are located in DeKalb and Oak Brook. We work with HVAC, refrigeration, backflow testing, testing and balancing, and building controls. Our technicians average 20 years of experience.

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Get in Touch!


24/7 emergency services are always available.

To learn more about what we can do for the HVAC system in your commercial building, submit our online form or give us a call at 815-517-0501 (DeKalb) or 630-320-9393 (Oak Brook).

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HVAC Systems We Install


Rooftop Units


With rooftop units, cool air naturally moves down through the building so there’s no need to force air. The HVAC components are all conveniently located outdoors.

Split Systems


With split HVAC systems, the condenser and compressor are outdoors, but the blower component that circulates the air is in an indoor cabinet.

Boilers


Replacing a worn-out boiler will save energy costs as well as improve the building’s comfort and convenience.

Chillers and Refrigeration

 

We work with refrigerators, reach-in and walk-in coolers and freezers, display cases, ice machines, medical chillers, and more.

Sheet Metal


We provide custom sheet metal fabrication to ensure proper fit and optimum performance for your HVAC system.

How Our Installation Process Works


After you contact us, our professional HVAC technicians evaluate your building to determine which system is right for you. We analyze the heating and cooling requirements to choose the ideal size and capacity. Then our experienced workers perform the actual commercial HVAC installation correctly and safely and thoroughly test it before handing it over to you.

Request Your Estimate


If you’ve noticed signs that you may need a new HVAC, contact us to request an estimate and learn about our exceptional service. Call 815-517-0501 (DeKalb) or 630-320-9393 (Oak Brook) or contact us online.

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Let's talk about your HVAC needs:

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