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Water heaters

Buying a water heater

A high-tech water heater is more efficient. Choose the right size for your home or office. Also consider the recovery rate — how much of its water capacity the unit can reheat in one hour. The minimum recommended recovery rate is 75 percent, which would be 30 gallons of a 40-gallon tank. Find out what rebates we offer for replacing your water heater.

Buying a water heater

A high-tech water heater is more efficient. Choose the right size for your home or office. Also consider the recovery rate — how much of its water capacity the unit can reheat in one hour. The minimum recommended recovery rate is 75 percent, which would be 30 gallons of a 40-gallon tank. Find out what rebates we offer for replacing your water heater.

Buying a water heater

A high-tech water heater is more efficient. Choose the right size for your home or office. Also consider the recovery rate — how much of its water capacity the unit can reheat in one hour. The minimum recommended recovery rate is 75 percent, which would be 30 gallons of a 40-gallon tank. Find out what rebates we offer for replacing your water heater.

Save more with these tips

  • Approximate kWh per month: 405 kWh
  • Take a shower instead of a bath: Typically, a shower uses 10-20 gallons of water, while a bath uses 30. But don't shower for more than five minutes.
  • Fix that leaky faucet: One drop of water per second equals 60 gallons of water a week. A leak that would fill a coffee cup in 10 minutes would waste 3,280 gallons of water in a year.
  • Use cold water when you can: Modern detergents allow you to use cold water more than ever before. Eighty to 85 percent of the energy used in washing clothes is from heating the water.
  • Install flow restrictors and aerators: By installing water flow restrictors in shower heads and faucets, you could save up to 50 percent on hot water use. There are different types of flow restrictors for shower heads and aerators for other faucets. They all reduce water usage without being noticeable.
  • Lower your water heater setting: Lowering your temperature setting a few degrees can save energy. Lowering your temperature to under 120 degrees can save you up to 10 percent on your water heater costs.
  • Water heater maintenance: To remove sediment, it may be a good idea to drain a bucketful of water from your water heater every month. However, you should do this only if your water heater is less than a year old or if it has been drained regularly. If it hasn't been drained regularly, the drain valve could become clogged, and you might not be able to shut it again. Also, just replace old or inefficient water heaters
  • Insulate your water heater: Don't install a water heater in an unheated storage room or garage. If your unit is in a location that's exposed to cold temperatures, insulating the unit and the pipes will help to reduce costs associated with it. Use a water heater blanket to wrap around the pipes coming out of your water heater and the heater itself. But be careful not to insulate the top or bottom of a gas-operated or oil-operated water heater because it may interfere with venting. 
  • On-demand water heaters: For on-demand water heaters, ensure there isn't hardwater build up on the heating elements
  • While you're away: Remember to turn down the water heater when you leave on vacation