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srShort answer: in everyday British English, a jacuzzi and a hot tub are the same thing – a heated tub with massage jets that stays filled with water and is ready to use at any time. Jacuzzi® is actually a brand name that became a generic word. The real difference people usually want to understand is between a hot tub (or spa) and a whirlpool bath, the bathtub with jets that you fill and empty every time you use it.
In this guide we explain the difference clearly, compare both options side by side and help you decide which one suits your home. If you already know you want a hot tub, our hot tub shopping assistant will help you find the right model in a few steps.
Jacuzzi vs hot tub: is there any difference?
Not really. Jacuzzi® is the name of the company that popularised hydromassage tubs, and the word is now used for any hot tub, in the same way people say "Hoover" for a vacuum cleaner. When someone in the UK talks about "getting a jacuzzi" for the garden, they almost always mean a hot tub: a freestanding or built-in spa with heated, filtered water, ergonomic seats and powerful massage jets.
So the useful comparison is not jacuzzi vs hot tub, but hot tub vs whirlpool bath.
Hot tub vs whirlpool bath: the main differences
- Water and heating:
A hot tub keeps the same water for weeks, filtered, treated and permanently heated, so it is ready whenever you want it. A whirlpool bath is filled with hot water from your boiler before each use and emptied afterwards. - Size and number of users:
Hot tubs are designed for sharing, with models for 2 to 8 or more people, including lounger seats. Whirlpool baths are the size of a standard bathtub and are meant for one person, or two at most. - Jets and massage:
Hot tubs have more jets, more powerful pumps and seats shaped to target the neck, back, legs and feet, making them ideal for therapeutic massages. A whirlpool bath has fewer, gentler jets. - Installation:
A hot tub needs a solid, level base and a dedicated electrical supply, and can be installed outdoors or indoors. A whirlpool bath replaces a standard bathtub and connects to your existing plumbing. - Maintenance:
A hot tub needs simple, regular water care (filter cleaning and water balance) and a thermal cover to keep heat in and running costs low. A whirlpool bath only needs the jets and pipes cleaned from time to time. - Investment:
A hot tub is a bigger investment, but it is a complete wellness area for the whole family that can be used all year round. A whirlpool bath is cheaper but offers a much more limited experience.
Comparison chart: hot tub (jacuzzi) vs whirlpool bath
Here are the key differences at a glance, so you can quickly see which option fits your space, your routine and your budget.
| Feature | Hot tub (jacuzzi) | Whirlpool bath |
|---|---|---|
| Water | Stays filled, filtered and heated. Ready at any time. | Filled before each use and emptied afterwards. |
| Size | 2 to 8+ people, seats and loungers. | 1 or 2 people, bathtub size. |
| Installation | Outdoors or indoors, on a solid base with its own electrical supply. | Indoors, in place of a standard bathtub. |
| Jets and massage | More jets, more powerful, ergonomic seats. | Fewer, gentler jets. |
| Maintenance | Regular water care and filter cleaning. | Occasional cleaning of jets and pipes. |
| Investment | Higher. | Lower. |
| Ideal use | Family, social and therapeutic use, all year round. | Personal relaxation in the bathroom. |
Which one is right for you?
Choosing between a hot tub and a whirlpool bath depends on your lifestyle, your space and your budget.
If you want a personal treat that fits into a standard bathroom, a whirlpool bath is a simple upgrade.
If you want a place to relax every day, share time with family and friends and enjoy a powerful massage whatever the weather, a hot tub is the right choice. You can install it indoors or outdoors. Take a look at our full range of hot tubs, designed in Barcelona and made in Europe.
Frequently asked questions
Is a jacuzzi the same as a hot tub?
In practice, yes. Jacuzzi® is a brand name that is now commonly used for any hot tub. Both words describe a heated tub with massage jets that stays filled with water. What is different is a whirlpool bath, which is filled and emptied every time.
Can a hot tub be installed indoors?
Yes. A hot tub can be installed indoors as long as the floor can support its weight when full, the room is well ventilated to control humidity, and there is a drain nearby. Many homeowners install one in a garage, basement or dedicated wellness room.
Can you use a hot tub all year round?
Yes. Our hot tubs are designed for year-round use, with thermal insulation and an insulated cover that keep the water hot even in winter. Using a hot tub outdoors on a cold day is one of the best experiences it offers.
Do you have to empty a hot tub after every use?
No. Unlike a whirlpool bath, a hot tub keeps its water, which is filtered and treated continuously. You only need to change it every few months, depending on how often it is used.
