Hot Spring Spas is one of only a few hot tub manufacturers that design and build their hot tubs with energy-efficiency as a top priority. Hot Spring Spas will actually test their spas to prove this efficiency, very few manufacturers will do this. California has the most strict energy consumption laws than any other state. California prides itself on staying ahead of the EPA when it comes to environmental protection laws and has set the standard for energy-efficient hot tubs. Since Hot Spring Spas manufacturing facility is in California, it certifies all models with the California Energy Commission (CEC) in accordance with California law. You can have peace of mind knowing that your Hot Spring Spas hot tub is designed to keep operating costs low no matter where you live. You just can’t find a more energy-efficient hot tub that has the proof to back it up.