the Rheem XR90 is able to heat water faster than any standard 50-gallon gas water heater. Plus, the XR90 costs less annually to operate than any standard 30-, 40- or 50- gallon gas model.

These heaters have been engineered to offer 50% higher recovery than standard 50-gallon gas water heaters ... expected shift to high-efficiency condensing boilers from low-efficiency products.

Typically, homeowners replace their old water heater with one of the same type that runs on the same fuel—natural gas ... to 50 percent, depending on the technology used—heat pump or condensing.

Among the actions President Joe Biden took was to ban certain natural gas ... condensing natural gas water heater goes for ...

Its tankless, non-condensing natural gas water heater sells for about $1,000 at Home Depot, compared to $1,800 for a condensing 75-gallon tank. The new rules were published by the Department of ...