Water Heater Basics: Gas or Electric?

Photo by Paul Dyer Photography

Most households in the U.S. use natural gas to heat water. Other fuel types include electricity, propane, and heating oil. A typical gas storage water heater has an Energy Factor (efficiency rating) of about 0.6, while a typical electric storage water heater will be rated about 0.9. Based on these Energy Factors it would seem an electric water heater uses less energy. ¬†Actually the opposite is true, here’s why: (more…)