A Guide to Energy Efficient Water Heaters

Choosing a new water heater can seem complicated. It’s an important decision that will affect you, your family and your utility costs. There are a few things you’ll want to consider, including efficiency. Below, we’ve compiled the facts from ENERGY STAR and US Department of Energy:

Fuel type

A Guide to Energy Efficient Water Heaters

Every water heater relies on fuel to make your water hot. Cost depends on both type and availability in your area, advises the US Department of Energy. For instance, an electric heat pump water heater may cost you less to run than a gas-fired water heater because it’s more efficient — even though the cost of natural gas may be lower than electricity.


You’ll also want to think about size. Is this water heater big enough to meet your family’s demand? If not, your water heater will not run as efficiently as possible. For more information on choosing the right size, read this article from HGTV.


Water heater energy efficiency is rated by energy factor, or EF. Comparing each model’s EF is a smart way to ensure you’re buying the most energy-efficient one. The number takes the following factors into consideration:

  • Recovery efficiency: How efficiently heat is transferred to your home’s water
  • Standby losses: How much heat is lost from stored water in comparison to its heat
  • Cycling losses: How much heat is lost as water flows through a tank and/or pipes

The experts of Service Plus Heating, Cooling & Plumbing can help you decide what type and size water heater is ideal for your home and needs. The key is to find a system that will not only provide enough hot water for you and your family, but also one that will be as energy efficient as possible. Here’s a peek at the types we offer:

  • Conventional Storage Water Heaters
  • Demand (Tankless or Instantaneous) Water Heaters
  • Heat Pump Water Heaters
  • Solar Water Heaters
  • Tankless Coil and Indirect Water Heaters

Indianapolis Water Heating Experts

Need help? If you’re in the Indianapolis metro area, call us at 317-434-2627 for more information on our water heater services. Connect with Service Plus Heating, Cooling & Plumbing on Facebook for more tips!

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