A hot tub or spa allows for a significant tax deduction with the United States Federal Government if used for medical purposes.

Balneotherapy, the treatment of disease through bathing, is commonly confused with hydrotherapy, the treatment of disease through hot water.

The Association of Pool & Spa Professionals (APSP) promotes best practices in the hot tub and spa industry.

A hot tub costs on average between $9 and $35 a month to operate, depending on size, maintenance issues and location.

The term Jacuzzi, which has become synonymous with the term hot tub, is actually a hot tub built by the Jacuzzi Company.

The term whirlpool, an in-home bathtub with jets that offer water massage capabilities, comes from the Whirlpool Company.

A hot tub is considered portable, while a spa is built into the ground, typically outside next to a swimming pool.

A hot tub is considered portable, while a spa is built into the ground, typically outside next to a swimming pool.

The Japanese ofuru (bath) inspired the look of the first wooden hot tubs found in western America in the early 1960’s.

The term spa originates from the Belgium city of Spa, which historically offered therapeutic hot springs for healing purposes.