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Commercial Water Heater Sizing
Need commercial sizing help? A. O. Smith's Pro-Size Tool can recommend the right product for your commercial water heating needs.
Commercial Sizing Diagrams
Commercial Sizing - Food Service
| Description | Series | Sizing Diagram |
| Sizing Date/Two Temperature Copper Heat Exchanger Systems | HW-160M-670 | AOSSG88010 |
| Booster Heater | Commercial Gas & Oil | AOSSG88021 |
| Booster Heater Selection by dishwasher brand | Commercial Gas & Oil | AOSSG88021 |
| Food Service Usage Data | AOSSG88040 | |
| Food Service Sizing Data Booster Heaters | AOSSG88050 | |
| Chemical Final Rinse Machines | Commercial Oil, Gas, Electric | AOSSG88060 |
Commercial Sizing - Multiple Dwelling Sizing
| Description | Series | Sizing Diagram |
| Introduction & Scope for sizing Multiple Dwellings (Apartments, Dormitories, Hotels, Motels) | AOSSG88070 | |
| Hot Water Requirements | Apartments | AOSSG88080 |
| Hot Water Requirements | Motels and Hotels | AOSSG88090 |
| Hot Water Requirements | Dormitories | AOSSG88100 |
| One Hour - Availability Table | AOSSG88130 | |
| Two Hours - Availability Table | AOSSG88125 | |
| Three Hours - Availability Table | AOSSG88120 | |
| One, Two, & Three Hours - Availability Tables | DW-720 - DW-1810 | AOSSG88140 |
Residential Sizing Diagrams
| Description | Sizing Diagram | ||
| Residential Water Heater Sizing | AOSSG88150 | ||
Commercial Miscellaneous Sizing
| Description | Sizing Diagram |
| Introduction | AOSSG88160 |
| Stand Pipes/Sprinkler Tanks (Table A & B) | AOSSG88170 |
| Stand Pipes/Sprinkler Tanks (Table C & D) | AOSSG88180 |
| Stand Pipes/Sprinkler Tanks (HW-300 - HW-670) | AOSSG88190 |
| Ready Mix Concrete | AOSSG88200 |
| Schools, Office Buildings, Country Clubs, Lunch Counters | AOSSG88210 |
| Laundries, Power Laundries, Laundry Stores & Car Washes | AOSSG88220 |
| Churches | AOSSG88230 |
| Beauty and Barber Shops, Photo Processing Labs, Meat Processing Plants | AOSSG88250 |
| Miscellaneous Water Usage Data | AOSSG88260 |
Commercial Pro-Size Tool
Enter your facility water heating needs and we'll recommend a specific product to meet your requirements.
Potable Water / Hydronic Expansion Tank Sizing Calculator
Use this sizing tool to calculate the proper expansion tank to meet your requirements.
Need a custom commercial solution?
Why A. O. Smith?
A. O. Smith is a leading manufacturer of both residential and commercial water heating technologies, including the #1 most specified commercial water heater.
For more than 145 years, we’ve developed state-of-the art products that push new boundaries and improve the lives of our customers.
We combine cutting-edge technology with committed people who take pride in providing the very best support for our customers.
Our products are put through rigorous quality and endurance testing so no matter where hot water is needed, A. O. Smith can provide a solution you can count on.