Your Hydronics Partner

Maddock hydronics experts help you identify, source, install, and maintain pumps, boilers, valves, and other equipment you need with recommendations for how to maximize space, harness new technology and increase profitability

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Who We Serve

Structural Engineers


Tap into 50 years of hydronics experience to identify the right equipment for your commercial construction projects.



Let us supply your hydronics equipment and the expertise to prevent problems, quickly resolve issues, and increase your profitability.

Building Owners

Building Owners

Partner with us to increase your building’s heating and cooling efficiency, reduce maintenance costs, and improve air quality.

Not Sure What You Need?

Speak with a Hydronics Expert

Our product experts will answer your questions and identify solutions.

Get a Quote & Place Your Order

Call us at (773) 486-1000 or place your order in our online store.

Receive Your Order

Place your order and get exactly what you need, when you need it.


Count on us to be your hydronics partner and problem solver.

Commercial Building Types

High Rises


Higher Ed



Food Processing

Our Brands


I have been working with Maddock Industries for over a decade and can honestly say they are one of the best Rep firms in the area. We work with them on as many of our projects as possible. We trust them to provide superior products and services on our jobs.

Chief of Operations
Monaco Mechanical

Maddock Industries has always been a professional, reliable and honest company to work with. They have backed up their products by ensuring they perform properly at my jobs. They do not consider the job complete until everything is working as specified.

MOER Technologies, Inc.

Maddock Industries is heavily involved in our business, and we rely on their support for a significant number of the hydronic products they represent. We often package their pumps, boilers, and heat pumps on projects we are awarded.

Heatmasters Mechanical, Inc.

We have a very good relationship with Maddock Industries and regularly recommend the products they represent.

Associate Principal

We have a really good relationship with Maddock Industries. They represent a strong product line and we really like our main contact. They are very responsive with updates, leadtimes and pricing, and are always there to get us the information we need.

VP of Sales & Engineering
Premier Mechanical, Inc. (PMI)

Maddock Industries is a stellar group to work with.

Executive VP
Edwards Engineering, Inc.

Hydronics News

Maddock Expands Portfolio with Sussman Electric Boilers & DHT

Maddock Industries has become the authorized manufacturer’s rep for the full lines of Sussman Electric Boilers and Diversified Heat Transfer, Inc. (DHT) for Chicago and...
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Product Update: RBI Expands Torus Watertube Boiler & Water Heater Line

RBI recently added new, smaller footprint watertube boilers and water heaters – ranging from 300 to 1,000 MBH – to its ultra-high efficiency and user-friendly...
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Case Study: Right-Sizing Boiler Capacity & System Load to Prevent Heat Exchanger Failure

In the heart of Chicago, where architectural grandeur meets modern luxury, two buildings stand as epitomes of urban sophistication. Designed by a prominent architect and...
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