Effex^®

It's a simple fact: our Effex® product line is the most efficient and advanced line of conventional vent gas water heaters on the market. This makes it an ideal choice for the homeowner who wants to replace an older, inefficient water heater without the hassle.

Vertex^™

Through an inspired blend of innovation, efficiency and years of industry expertise, A. O. Smith has created a state-of-the-art family of Vertex™ products that provide a long-lasting supply of hot water. They are easy to install, with dimensions and installation requirements comparable to standard power-vent and power direct-vent units.

Tankless

When it comes to high efficiency tankless water heaters, no one comes close to matching the expertise and innovation of A. O. Smith. With higher efficiency ratings and groundbreaking designs, our tankless water heaters feature non-condensing and condensing technology and are part of a new era in water heating.

• All condensing models are ENERGY STAR® qualified
• Ultra-Low NOx options are available

Voltex^® Hybrid Electric Heat Pump

The Voltex® hybrid electric heat pump water heater more than lives up to its impressive reputation. The 50, 66 and 80-gallon models use heat pump technology, which means more energy stored, resulting in increased savings. And the consumer-friendly display is simple to operate and provides easy-to-understand feedback on operational status.

• ENERGY STAR® qualified
• Four operating modes: Efficiency, Hybrid, Electric, Vacation
• Conserves energy with up to 3.24 Energy Factor (EF) rating