The Bradford White eF Series offers thermal efficiency ratings as high as 99.1%.

Good stratification improves the quality of thermal energy.

Bell & Gossett’s BPX 2” double-wall brazed-plate heat exchanger has a patented design and provides the highest level of leak protection.

Proper equipment maintenance is critical to avoid disaster.

Designed to be installed with a separate storage tank, this design protects against the harmful effects of lime-scale buildup. Since ARMOR heats the water and then deposits it in an unfired storage tank, lime-scale buildup does not impair the heat transfer efficiency.

The Bradford White eF Series offers remarkable thermal efficiency ratings as high as 99.1%.

Noritz America’s NCC1991 condensing tankless water heater delivers a thermal efficiency of 94% with an input range of 16,000 to 199,900 Btu.