Ideal for large commercial applications, the Cyclone XL commercial gas water heater operates at 1-million Btu/h, with an additional 750,000 Btu/h model available. Its ability to adjust the firing rate to meet demand further increases efficiency and cost savings, A. O. Smith notes. Cyclone XL features a unique dual stainless steel heat exchange system, providing a two-step heat transfer process that delivers thermal efficiency of 97%. www.hotwater.com
A. O. Smith commercial gas water heater
![A. O. Smith commercial gas water heater](http://www.pmengineer.com/ext/resources/Issues/2021/04-April/Products/PME0421-products-AOSmith-slide1.jpg?1618567290)