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Is a Tankless Water Heater More Energy Efficient Than a Traditional Hot Water Heater?

If you’re looking into more energy-efficient home appliances and found tankless water heaters, you may be wondering what makes them more efficient than traditional water heaters. Let’s talk about tankless water heaters and energy efficiency.

What is a tankless water heater?

A traditional water heater holds a set amount of water in a tank, keeping it hot until use and refilling to heat more water when it’s empty. True to their name, tankless water heaters heat water quickly as needed, without keeping it in a holding tank. Water runs through gas or electric heating elements and straight to the tap when hot water is turned on.

Traditional vs. Tankless: Which is more efficient?

While critics point out that tankless water heater installation is much more expensive, they pay for themselves with energy efficiency. Depending on your home’s hot water usage, you may need more than one tankless water heater (this is common for traditional water heaters, as well), but each tankless heater will spend much less energy because they don’t have to keep water hot and ready for use. Tankless heaters only expend energy when they’re needed.

For maximum elimination of standby energy waste, an electric tankless heater is usually best. While the flow rate is better with gas tankless water heaters, they do expend energy to keep the pilot light lit when not in use. Even so, both gas and electric tankless water heaters save you money with their superior energy efficiency, and you won’t have to replace them nearly as often as traditional water heaters, which typically last eight to twelve years. Tankless water heaters last over 20 years in many cases.

More Efficient Plumbing Practices

If you’re looking for ways to conserve water and energy that don’t include major plumbing investments, here are some tips:

  • Use volume-restrictive water fixtures
  • Avoid using hot water unless necessary
  • Always run full dishwasher and laundry loads
  • Insulate pipes to reduce hot water delays
  • Find and repair any minor water leaks

For more information and energy-saving tips, contact Lee’s Air Conditioning, Heating and Plumbing today. For expert services from Fresno plumbers, begin a service request.

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