Specifying Engineers
We have the products, services & support tools you need to meet your customers’ hot water demands.
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Need personalized support?
Specifying Design Tools & Resources
Giving our partners the tools they need to specify our complete product line.
Commercial Pro-Size Tool
Use our tool to size an A. O. Smith commercial water heater to meet your specs.
Media Library: Documents, Videos & Images
Water Heater Cross Reference
iCOMM™ Connectivity App
Download A. O. Smith's iCOMM™ Connectivity App for access to our tools while you’re on the job.
AHRI Directory Certification Search
Search the AHRI Directory of Certified Product Performance for A.O. Smith certified product performance ratings.
Revit Files
Potable Water / Hydronic Expansion Tank Sizing
Use this sizing tool to calculate the proper expansion tank to meet your requirements.
Get ASPE CEU Credits & More from A. O. Smith University
Stay up to speed on our product technology and gain continued
education credits with A. O. Smith University’s live, on-demand &
on-campus training.
Shop by Water Heater Category
Introducing the NEW Cyclone® FLEX™
Delivering superior, high-efficiency performance Cyclone® is known for while remaining on the cutting edge of technology.
Tankless Rack Systems:
More BTU’s, More Space Saved.
Heat Pump:
Savings are in the Air.
Learn how you can save your customers money with A. O. Smith’s commercial heat pump water heaters.
Committed to Innovation On & Off the Field
As the presenting sponsor of the Johnny Unitas Golden Arm Award(R), A. O. Smith and the Golden Arm Foundation are committed to driving innovation and education through scholarships for young leaders on and off the field.
