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If you’re not using the hot tub, you should keep the temperature around 100 degrees. If you lower it too much, or shut it off completely, you’ll waste much more energy—and time—to heat up all that water to your ideal temperature. In the summer, you may want to lower it a couple of degrees more to prevent overheating.

You should change hot tub water every three to four months to maintain optimal cleanliness and performance. More frequent changes may be necessary with heavy usage or if you notice water quality issues like cloudiness, unusual odors, or excessive foaming. When draining your hot tub, take the opportunity to clean all surfaces and components that are normally submerged to prevent biofilm accumulation and ensure proper operation.

The average lifespan of a hot tub can range from five to 20 years. If you have a lower-quality hot tub and neglect routine maintenance, the hot tub will be on the lower end of that range. However, if you invest in a higher-quality material, perform maintenance, and take care of hot tub repairs quickly, you can enjoy your hot tub for closer to 20 years.