If your current water heater keeps leaving someone with the cold shower, a tankless upgrade is worth a serious look. For Southern California homeowners, Bradford White’s Infiniti GS and GR models offer continuous hot water, ENERGY STAR efficiency, compact wall-mounted design, and California-friendly Ultra Low NOx performance.
This overview is written for Western Rooter customers and assumes a California installation because Western Rooter primarily serves Southern California communities across Los Angeles, Orange, and San Bernardino Counties. The goal here is simple: explain how Infiniti tankless works, what the real benefits are, what installation usually involves, and which rebates may still be on the table in 2026.
Why the Infiniti Line Deserves the Attention:
The Bradford White Infiniti GS and GR are whole-home gas tankless water heaters built to heat water on demand instead of storing it in a tank. Both are ENERGY STAR certified, both use a durable stainless steel heat exchanger, and both are designed for indoor or outdoor installation with the proper kit. The GR adds a built-in recirculation pump and dedicated recirculation connection, while the GS is essentially the same platform without the pump.
That difference matters in real life. If your main complaint is “we run out of hot water,” either model can solve that when properly sized. If your second complaint is “we wait forever for hot water at the far bathroom or kitchen,” the GR is the one to look at. Bradford White says the GR’s recirculation setup can be used with a dedicated loop, a bypass valve through the cold line, or inside the product for faster hot water delivery.
For California homes, the Infiniti GS and GR also check two practical boxes: they are Ultra Low NOx models that comply with SCAQMD Rule 1146.2, and Ferguson lists both lines as compliant for sale in California.
How a Bradford White Tankless System Actually Works:
A whole-home gas tankless water heater has no storage tank. When you open a hot-water tap, cold water enters the unit, a flow sensor tells the burner to fire, and the heat exchanger raises the water to the set temperature before it heads to your shower, sink, or washer. Because the unit only heats water when you call for it, it avoids the standby heat loss that comes with keeping a big tank hot all day.
That is the big reason tankless feels different in everyday use. A correctly sized unit can keep delivering hot water without the “empty tank” problem. Bradford White’s current GS and GR spec sheets list both natural-gas models at 199,000 BTU input and 0.96 UEF, and the domestic hot water table shows output up to 9.7 GPM at a 40°F rise, with actual delivered flow changing as incoming water temperature and temperature rise change.
In other words, tankless is not magic. It is a flow-and-temperature-rise equation. The better the sizing, the better the experience. The U.S. Department of Energy recommends sizing a tankless unit by adding up the fixtures you may run at the same time and then matching the required flow rate to the temperature rise you need.
The Benefits:
A tankless upgrade sounds technical, but the practical wins are easy to understand:
- Endless hot water when the unit is sized correctly. DOE says tankless water heaters provide hot water as needed, and ENERGY STAR notes certified gas tankless systems provide an endless flow of hot water.
- Better efficiency than a tank system. DOE says tankless units can be 24%–34% more efficient in lower-use homes and 8%–14% more efficient in higher-use homes because they avoid tank standby losses.
- More space in the garage, closet, or utility area. ENERGY STAR and Bradford White both emphasize the wall-mounted, compact form factor.
- Longer service life. DOE says tankless units typically last more than 20 years, versus roughly 10–15 years for storage tanks.
- Faster hot water delivery with the GR model. The GR includes built-in recirculation for homes where “waiting on hot water” is part of the daily annoyance.
For a family of four, ENERGY STAR says an ENERGY STAR certified gas tankless water heater can save about $95 per year on gas bills versus a standard gas storage model, or about $1,800 over its lifetime. Savings vary by usage and local utility rates, but the direction is clear: tankless is usually solving both comfort and efficiency at the same time.
What Installation Usually Involves…
This is where a lot of tankless decisions are won or lost. The appliance itself is only part of the project. Western Rooter notes that tankless installation requires proper gas-line sizing, venting, electrical connections, and water-line integration, and Bradford White’s GS/GR specs call out venting options, gas supply requirements, condensate handling, and service clearances.
If you are replacing a tank water heater with tankless, the final cost depends on how much retrofit work your home needs. In some homes, the installer may need to modify venting, upgrade part of the gas setup, add isolation valves for future service, or build in recirculation options. Bradford White also notes that some retrofits may require upgrades to gas or electrical systems, and DOE recommends using a qualified contractor for proper installation and code compliance.
What Rebates and Incentives Are Available in California?
If you’re considering a tankless water heater upgrade, rebates may still be available to help offset the cost.
For most Southern California homeowners, the best opportunities come from local utility programs rather than federal tax credits. In fact, federal incentives that previously applied to certain gas tankless water heaters generally expired for new installations after 2025.
Currently, SoCalGas offers some of the most significant rebates for qualifying high-efficiency natural gas tankless water heaters, with savings that can exceed $1,000 depending on the model and eligibility requirements. Some homeowners in wildfire-affected areas may also qualify for enhanced rebate amounts.
Because rebate programs and eligibility requirements change frequently, we recommend checking with your utility provider or speaking with the Western Rooter team before purchasing equipment to verify current incentives.
Maintenance and Professional Service
Like any water heater, a tankless system performs best with routine maintenance. Periodic inspections, filter cleaning, and descaling can help keep the unit running efficiently… especially in Southern California areas with hard water.
The good news is that maintaining a tankless water heater is relatively straightforward when it’s serviced regularly. A professional technician can help identify mineral buildup, ensure proper performance, and extend the life of the system.
Western Rooter has been serving Southern California homeowners since 1981 and provides tankless water heater installation, repair, and maintenance throughout the region. If you’re considering a Bradford White Infiniti tankless water heater, our team can help you choose the right model, review available rebates, and provide a free estimate for your home.
FAQ
Will a tankless water heater really stop us from running out of hot water?
Yes, if it is sized for your home’s simultaneous fixture use and required temperature rise. DOE recommends sizing by total fixture flow and temperature rise, and Bradford White’s GS/GR units are designed for whole-home use when matched correctly to demand.
What is the real difference between Infiniti GS and GR?
The GR includes a built-in recirculation pump and dedicated recirculation connection for faster hot-water delivery. The GS has the same core tankless concept without the built-in recirculation pump.
Can Western Rooter help me figure out rebates?
Yes. Western Rooter offers free estimates, serves Southern California, and already handles tankless installation and replacement work. That makes it a practical partner for sizing the system and checking which current utility rebates may apply to your address and equipment choice.










