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Insulate Your Electric Water Heater Tank

Is your water heater is located in a garage, basement or other space that isn’t air conditioned? Insulating your water heater tank with an insulation blanket is an easy way to save energy and lower your bill each month.

Energy.gov estimates that you can save up to 7%-16% annually.

If you have an older hot water tank, check to see if it has insulation with an R-value of at least 24. If you don’t know your water heater tank’s R-value, touch it carefully. A tank that is warm to the touch needs additional insulation.

Materials:

  • Water Heater Blanket
  • Scissors
  • Duct Tape

Steps:

  1. Turn off the electric water heater at the
    breaker panel.
  2. Measure the height of the water heater and
    cut the blanket to fit if necessary.
  3. Leave the top of the water heater open.
  4. Wrap the blanket around the water heater
    and temporarily tape it in place. Position
    the blanket so that the ends do not come
    together over the access panels on the side
    of the tank.
  5. Mark the areas, then cut holes where
    controls are located. For electric water
    heaters, there will be two panels on the
    side of the tank. Mark the area where the
    pressure relief valve and pipe are located.
    This will be a pipe that protrudes from the
    side of the water heater.
  6. Adhere the blanket. Be careful to line
    up the cut out areas and then tape it
    permanently in place.
  7. Turn the water heater back on

Safety Note: Don’t set the thermostat above 130ºF on the electric water heater with an insulating jacket or blanket – the wiring may overheat.

Rob Ford

Rob Ford

Rob Ford is Tipmont and Wintek's communication director, a role he's held since 2015. Rob has a bachelor's and a master's in Communication from Purdue University. He lives in West Lafayette with his wife and three children and has a life-sized Yoda statue in his office. Away from the office, you’ll find Rob working on his golf swing, jump shot, or hope for a Purdue basketball national title – all futile endeavors.

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April 2, 2024
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