Can You Put a Swim Spa in a Basement?

For those looking to install an indoor swim spa, they will quite often ask, “Can you put a swim spa in a basement?” The fact is that a modified basement can be an ideal spot for a swim spa. Because it has a stable, concrete floor it’s a great starting point for swim spa installation. That said, there are some things to keep in mind when planning for a basement swim spa. In this article we’ll go over the things you should know about the process.

Basement Swim Spa Benefits

There are many advantages to installing a swim spa in your basement. You can benefit from reduced costs due by eliminating the need for excavation, landscaping and cold weather heating. An indoor spa is safer than an outdoor spa because you can simply lock the door, whereas an outdoor swim spa can be more easily accessed by children, animals and passersby. An indoor location will also increase the likelihood that you’ll make use of it throughout the year regardless of the weather.


One of the side effects of having a permanent tub of warm water inside your house is that it will increase your humidity levels. This can be detrimental for a number of reasons. High humidity can promote the growth of harmful molds and mildews. It will also cause condensation to occur which can be damaging to wood and paint and cause rotting. Dehumidifiers are one way to keep your humidity levels in check.


Having proper ventilation in the room that houses your swim spa will also help to bring down humidity levels. It’s important to have a good ventilation system to counter the effects of a warm and humid environment. Installing an exhaust fan will suck the humid air out of the room and allow drier air to take its place. A ceiling fan will also help with air circulation and reducing humidity levels.


You’ll also need to ensure you have a good drainage system to take away any water that ends up on the floor. No matter how careful a bather is, it’s inevitable that a certain amount of water will end up being splashed onto the floor. Ensuring you have waterproof flooring material as well a properly installed drainage system will play a large role in the planning and installation of a basement swim spa.

Proper Installation

Getting all the various components of an indoor swim spa installation job done correctly requires several different professional disciplines. You’ll very likely need an electrician, a plumber, an HVAC specialist and a swim spa installation team. You might even need a carpenter and a tile installer or other flooring specialist. Whether you can find one person to do all these jobs or you have to hire several different contractors, it will pay off in the end to have the job done correctly. Failure to do so could end up causing many different types of damage to your house.

More Information

If you’d like to find out more about installing a swim spa in your basement, download a buyer’s guide below to get more information including the various types of models available to you, or visit us at our London swim spa store.

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