Gexa Energy Learning Center

Water Heating Systems That May Help Your Home’s Energy Efficiency This Fall

Hot water is an essential part of everyday life across the nation. In homes, it’s used for cooking, washing clothes, bathing, and other functions. According to the EPA, water heating accounted for nearly 18% of the total energy use in U.S. residences in 2009.

In Texas, warm and cool weather can be experienced all in the same week—even in the Fall. It may be cost-effective that we use systems that heat water in a more efficient way, and according to the climate we live in. Meaning, if we have mostly warm weather for the year, we may not need a water heater that would normally be used in areas where it freezes.

Water heating options that may be energy efficient

Tankless Water Heaters— These types of water heaters provide hot water only as it is needed. They don’t produce the standby energy losses associated with storage water heaters, which may save you money. (

Heat Pump Water Heaters (HPWH)— these heaters produce heat using the same technology that refrigerators employ to stay cold, they release no emissions and get the job done as little as one-half to a third of the energy of a conventional electric resistance or gas heater. (

Solar Water Heaters— Otherwise known as “solar domestic hot water systems”, these may be a cost-effective way to generate hot water for your home. They include storage tanks and solar collectors, and there are actually two types of solar water heating systems: active, which consists of circulating pumps and controls, and passive which don’t have them. By “active,” we also mean, direct circulation systems, these have circulating pumps that send the water through collectors into the home. These work well in climates where it rarely freezes. (Source:

When selecting a new water heater for your home, it may be a good idea to choose a water heating system that will not only provide enough hot water but that will do it efficiently.

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