Some power companies in Texas are remotely adjusting the smart thermostats of users enrolled in their energy saving programs to reduce strain on power grids (Matt Dougherty/KHOU-TV)

Matt Dougherty / KHOU-TV:
Some power companies in Texas are remotely adjusting the smart thermostats of users enrolled in their energy saving programs to reduce strain on power grids  —  Some said they didn't know their thermostats were being accessed from afar until it was almost 80 degrees inside their homes.