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

The Marlo Stratomizer® offers un-paralleled protection for your system from freezing temperatures. Make up air problems can be a thing of the past by adding a Stratomizer® to your system. The Stratomizer® comes in both steam and hot water versions. Both are selected in accordance with AHRI standards for performance you can rely on.

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.

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

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

Unit & Door Heaters

The cold weather is here and we’re ready with steam, hydronic, horizontal, vertical, lightweight and heavy duty unit heaters and door heaters.  Many units are in stock and can ship the same day.

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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 50 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.

Featured Video

Is your steam temperature too hot or too cold?

FPX by QMax is specifically designed to slow down the heat transfer from the steam tube and prevent overheating. Take a look at this video!!
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Featured Seminar

November 15-16, 2018

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. Bus departs at 8:00 am from Holiday Inn in Appleton, WI at intersection of HWY 41 & college Avenue (south parking lot) and arrives back at approximately 3:45 pm the following day. For more information and to register by phone please contact us at (708) 371-0600.

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