According to the plumbing company I had to pay for, they are pulling out most A.O. Smith tankless water heaters because of constant component failures. I will never buy one again. Garbage company.

Contractors will have the opportunity to receive a tool credit when they purchase an A. O. Smith standard gas or electric ...

The A.O. Smith Signature 900 HPS10-50H45DV is part of the Water Heaters test program at Consumer Reports. In our lab tests, Heat Pump Water Heaters models like the Signature 900 HPS10-50H45DV are ...