Total solutions in steam and condensate, heat transfer, hot water and humidification.

Condensate Pumps

Affiliated Steam & Hot Water offers high-performance condensate return units designed for reliable, efficient options. Available in multiple series, each tailored to different application needs, material and capacities.

Heat Exchangers

Affiliated Steam & Hot Waters heat exchangers are custom engineered, modular systems designed to transfer heat from steam to water while meeting specific design, safety and efficiency requirements.

Bringing Net Zero Within Reach

Armstrong makes it easier for you with a Roadmap to Decarbonization, tailored for your facilities and industry.

As the call to combat climate change gains momentum and the world moves towards decarbonization, net zero has become our shared destination. Many companies are unsure of how to move forward and want a pragmatic, ready-to-implement solution. Although there is a systematic methodology to decarbonization, what’s right for one facility may be wrong for another. Armstrong is here to do what’s right for you.

Learn more about decarbonization

Click below for more information:

Roadmap to Decarbonization

Thermal Studies & Mapping

Decarbonization Products & Services

Renewable Energy Sources

Whatever your industry, we have the utility system solutions you need.

Affiliated Steam and Hot Water serves customers in a wide and varied range of industries, including: food processing, pharmaceuticals, concrete, laundry, healthcare, education, manufacturing, hospitality, and many more.

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We're the largest stocking distributor in the U.S. for many of our represented product lines.

Maintaining an extensive inventory in multiple locations enables us to respond swiftly with the best solution for your needs.

5 Reasons why you purchase Coils from Affiliated Steam & Hot Water!

You Obtain Immediate Pricing and Quotations
You Save Expensive Labor – To – Install Dollars
You Save Money on Our Fast Shipment
You Like Our “Re-Design” Capabilities
You Have a Feeling of Confidence Dealing with Affiliated Steam & Hot Water

Control Valves

The Armstrong Python 1500 Series Control Valve, pneumatic & electric actuated, provides precision control for repeatability and safety in your processes. Increasing fuel costs require the most efficient pressure and temperature control and the Armstrong Python valve offers numerous options and accessories to meet your individual application requirements.

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Throughout the Midwest, industrial, commercial and institutional customers alike turn to us for the most dependable utility system solutions.

More than 60 years of in-depth knowledge and experience enables Affiliated Steam and Hot Water to provide customers with more effective solutions than anyone else in the region.

Emergency Heat Exchanger Replacement

Heat exchanger tube bundle replacement from the original equipment manufacturer can be costly and have an unfortunately long lead time.

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Featured Seminar

November 5-6, 2026

Seminar / Northern Wisconsin

Join us in our “Live Steam Training Facility” in Alsip, Illinois. Our program features a live steam board where you will actually see how steam works! Discussion and live demonstration includes steam energy costs, water hammer, PRV’s, steam coils & water heaters, line sizing, trap testing, humidifiers, and condensate pumps. For more information and to register by phone please contact us at (708) 371-0600.

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