How Does a Heat Pump Water Heater Work?

January 28, 2014

Leading water heater manufacturer A. O. Smith ( has released an infographic showing how heat pump water heaters achieve such high-energy efficiency.

The A. O. Smith graphic demystifies the inner workings of heat pumps using its new hybrid- electric Voltex® 50-Gallon Heat Pump. Launched in November, the Voltex scores an incredible 2.75 Energy Factor, the most energy-efficient heat pump water heater on the market.

Compared to standard electric models, the A. O. Smith Voltex can save homeowners more than $350 a year in operating costs.

Hybrid Infographic

About A. O. Smith:

A. O. Smith Corporation, celebrating its 140th year, is a leading global manufacturer and marketer of residential and commercial water heaters and boilers. A. O. Smith offers its customers an additional competitive advantage in that the company designs, builds, distributes and field supports the world’s broadest and deepest line of residential and commercial water heaters, as well as commercial boilers. This single-source concept simplifies ordering, installation and service and is backed by more than 70 years of research and innovation. For more information, visit For the most up-to-date industry news, like us on Facebook and follow us on Twitter.

How Does a Heat Pump Water Heater Work? (PDF)