- Set your water heater thermostat to the lowest temperature that provides you with sufficient hot water. For most households, 120°F water is comfortable (usually about midway between "medium" and "low" settings). If you have a dishwasher, check to see if you can use 120°F water. Follow the manufacturer's directions.
- Most water heaters last 10-15 years. Doing research before your heater fails will enable you to select one that most appropriately meets your needs. Consider replacing it with a new gas water heater that has an Energy Factor (EF) rating of 0.62 or better.
- Use less hot water. This will not only save on your natural gas bill but also on your water bill. Only run your automatic dishwasher when full, and wash and rinse full loads of laundry in cold water. Install low-flow showerheads and faucets, and regularly check for and repair plumbing leaks.
- Insulate your water heater. Wrapping an insulating jacket can save energy that is lost through excess heat, making your water heater more efficient.
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