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- ENERGY STAR® certified
- Adaptive Gas Control System
- 3-year limited warranty
- ENERGY STAR® certified
- Adaptive Gas Control System
- 3-year limited warranty
- ENERGY STAR® certified
- Adaptive Gas Control System
- 3-year limited warranty
- ENERGY STAR® certified
- AIQ™ Adaptive Gas Technology
- 5-year limited warranty
- ENERGY STAR® Certified
- Delivers 882 GPH at 100°F Rise
- 5-Year Warranty
- ENERGY STAR® Certified
- 100,000 BTU input
- 3-Year Warranty
- 76,000 BTU input
- 94% thermal efficiency
- 3-Year Warranty
- 199,000 BTU input
- 96% thermal efficiency
- 3-Year Warranty
- 75,100 BTU input
- 73 GPH at 100°F Rise
- 3-Year Warranty
- ENERGY STAR® Certified
- Operates at 96% thermal efficiency
- ENERGY STAR® certified
- 76,000 BTU input
- Delivers 74 GPH at 100°F Rise
- 3-Year Warranty
- Self-Cleaning Hydro Cannon™
- Automatic Flue Damper (120 - 390 Models)
- Three Water Connection Options
- 180,000 BTU input
- Delivers 173 GPH at 100°F Rise
- 3-Year Warranty
- ENERGY STAR® certified
- Adaptive Gas Control System
- 3-year limited warranty
- ENERGY STAR® Certified
- Delivers 349 GPH at 100°F Rise
- 3-Year Warranty
Showing 1-15 of 697
Commercial Gas Water Heaters Built for Your Business
A. O. Smith commercial gas heaters are built to handle the constant hot water demands of restaurants, hotels, office buildings, and laundry facilities. When your business depends on reliable hot water, you need equipment that won't let you down.
Our Cyclone® series has been the go-to choice for over 30 years because it just works. You get 95% or higher thermal efficiency, leading to lower operating costs month after month. Models range from 60-gallon units to massive Cyclone® XL systems with 1 million BTU capacity, so there's a size that fits your needs. AIQ® adaptive gas technology automatically adjusts to your gas quality throughout the heater's life. You get consistent performance without constant adjustments, which means fewer service calls and less downtime for your business.
Need help choosing the right size? Start by using our A.O Smith Pro-Size tool, or connect with a local, certified installer who specializes in commercial systems and can help you find the perfect water heater for your specific needs.
