Residential Water Heating

Publication Type:
Fact Sheet

Published / Updated:

The most common type of water heaters are storage tank water heaters which are fueled by natural gas, propane, oil, or electricity and typically range in size from 20-80 gallons, in which water is kept hot at all times. Unfortunately, substantial energy can be lost due to standby heat losses.

If you're in the market for a new water heating system, or just want to improve the efficiency of your existing system, download this fact sheet to learn how the following water heating options compare in cost, performance, and energy efficiency:

  • Storage/Tank-Type Water Heaters
  • Heat Pump Water Heaters
  • Tankless Water Heaters
  • Combination Space and Water Heating System
  • Solar Water Heating

Also included is a discussion of simple steps to take to reduce consumption which is the first step in optimizing any water heating system.

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