AO Smith High Efficiency Residential Water Heaters

With higher efficiency ratings and groundbreaking designs, these AO Smith water heaters are part of an exciting new era in water heating. Here you will find Effex water heaters, the Next Hybrid water heater, electric indirect solar booster water heaters, and the Voltex electric water heater.

2 products shown

Sort By:

View By:

  • 40 Gallon - 40,000 BTU Effex High Efficiency Residential Gas Water Heater View Specs
    • SKU: GAHH-40
    • Brand: AO Smith

    $803.99 / each

    $1,579.90 / box
    2 x $789.95

    In Stock! (2 Available) Ships in 24-48 Hrs
  • 50 Gallon - 40,000 BTU Effex High Efficiency Residential Gas Water Heater View Specs
    • SKU: GAHH-50
    • Brand: AO Smith

    $787.99 / each

    $1,547.90 / box
    2 x $773.95

    Out of Stock Allow 2 Weeks to Ship Out