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Find the Ideal Thermostat Setting for a Comfortable and Cost-Effective Texas Summer

The U.S. Department of Energy recommends setting thermostats to 78 degrees to balance comfort and energy savings during hot Texas summers.

Published June 10, 2026 at 10:00am by Marley Malenfant


As Texans prepare for another potentially hotter-than-normal summer in 2023, many are wondering about the ideal thermostat setting to balance comfort and energy costs. The U.S. Department of Energy recommends 78 degrees as the ideal temperature during summer, offering a balance between comfort and energy savings.

However, the ideal setting may vary based on personal comfort, health conditions, insulation, and the use of fans and curtains. The article offers tips for reducing energy bills, such as using a programmable thermostat, sealing air leaks, and unplugging electronics when not in use.

Texans should also consider the needs of vulnerable family members during extreme heat, as older adults and those with certain medical conditions are at higher risk of heat-related illness. Experts suggest using fans, changing air filters regularly, closing curtains and blinds, and scheduling routine AC maintenance to reduce costs while running the AC.