Keeping a Hot Tub Outdoor vs. Indoor – Pros and Cons

Your experiences with hot tubs were likely similar, regardless of whether you had an enjoyable evening at a friend’s spa or spent time in your hotel room. You felt comfort and relief as the hot water warmed your skin and massaged your muscles. Indoor and outdoor hot tubs both offer enjoyment and hydrotherapy. No matter where you are located, you can enjoy a relaxing soak.

The only real difference between outdoor and indoor hot tubs is their location. However, the place you choose to put your spa can make a huge difference in how it will be used, installed, maintained, and how it is used. Below are the pros and cons for each.


Privacy is more appreciated than anywhere else, including in your own home. You can easily go from your indoor hot spa to your shower to your bed without worrying about anyone seeing it. Installing an indoor spa can make it more difficult to remodel your home and increase your spending. Here are the pros and cons of owning an indoor spa.

The pros of owning an indoor hot tub

  • Privacy. No matter where you live, a hot tub placed inside your home will protect you from inquisitive neighbors and passers-by.
  • The Ultimate Convenience. While both indoor and outdoor 4 seater hot tubs can be rather convenient, having a spa at your home is more than taking a few extra steps. It can be used at any time, even without sandals. Outdoor hot tubs

Weather doesn’t matter if your spa is indoors. Your hot tub will not need to be covered with sunscreen. You won’t have to worry about your cabinet or cover getting damaged by the elements.

  • Maximize Unused Space. A hot tub can transform an area that could be used as a private oasis.

The cons of owning an indoor hot tub

It is not easy to install and maintain an indoor tub. It may take a lot of planning, and alterations to your house, to make a successful installation. A general contractor might be a good option to manage the project. It all depends on how you use your indoor spa. The extra effort and cost involved might be worthwhile. These are some cons of owning an indoor hot tub.

  • Installation route. Hot bathtubs come in all sizes. Because they are larger than doors, it is difficult to maneuver them along corridors or around corners. Review the specifications and pre-delivery instructions before you purchase a hot tub. Also, measure all entrances and corridors that will be used along the delivery route. To fit your hot tub, you might have to make some minor or major changes to your home.
  • Installation of a Base. A solid foundation is required for a portable hot tub. Your spa can weigh more than 5,000 pounds when it is filled with water. Your home’s floor will need to be reinforced unless you plan on placing the hot tub on a basement slab.
  • Plumbing. Some rooms in the house may not have running water. You will need to install a faucet and a sink in your spa location. This will allow you to drain the tub and refill it once per year, depending on how your spa water treatment system. Although you could run the hose from outside, this might not be possible in multi-family units.
  • Drains. Intentional water displacement is a common occurrence when hot tub users enter, exit, or move around, especially when the jets turn on. If you don’t install the drain, any water that is spilled onto the floor will stay on the floor, which could lead to costly damage. You will need to drain your spa by running a hose from the spa to the drain or indoor sink.
  • Electrical Installation. You can plug your hot tub into a wall outlet or wire it to a 220v or 230v connection through the central circuit breaker box in your home. You will need to purchase a wall outlet if you don’t already have one. You will also need to install an earth fault circuit interrupter (GFCI) between your hot tub’s power source and hot tub. This will prevent moisture-related shortcircuits. This work should be done by a licensed electrician.
  • Ventilation. The heat from the spa water evaporates, increasing the humidity in the air. Heat and humidity can cause damage to wallcoverings, paint, plaster, and drywall. It also creates an ideal environment for unwanted bacteria and fungi to grow. You will need to install a ventilation system to reduce the dampness and odor.
  • Water-Resistant Materials. You will want to protect the floors, walls, ceiling, and floor of the space where you are installing your spa. To protect against humidity, condensation, and possible spa water overflows, accessories such as furniture and electronics should also be water-resistant.


It is easier to install outdoor hot tubs than indoor spas and more simple to maintain. High-quality spas can withstand all kinds of weather conditions. Weather-resistant cabinets are strong and can withstand the elements. Vinyl covers will protect the hot tub’s interior. What are the downsides? They are few. These are some of the benefits of installing a hot tub outdoors.

The benefits of owning an outdoor hot tub

  • Easy delivery and installation. Although you’ll still need to lay a foundation and connect the necessary outdoor electrical outlets, the overall cost should be lower. It is important to ensure that the spa fits down the route and that there are no obstructions on the route. It’s still better than moving a whole wall, even if it means you need to move a section.
  • Outdoor ventilation. The wind will blow away any excess humidity that your hot tub produces, and it will not have any negative impact on your patio or deck.
  • Natural Drainage. You won’t have to worry about drainage when you change the water in your outdoor hot tub. If your outdoor spa is placed within a few feet of a natural drainage site, you can eliminate the need for a drain.
  • A beautiful setting. You can enjoy your backyard swim spa, take in the views, listen to the birds chirp, and smell all the different scents of the seasons. You will become one with your surroundings.

The cons of owning an outdoor hot tub

An outdoor hot tub has a few downsides, so it’s easy to overlook the positives. There are some things to consider before purchasing an outdoor hot tub.

  • Less private. Your neighbors can see you in your backyard spa. If privacy is what you desire, then you will need to put up a fence or be creative with your landscaping. You can add beauty to your landscape with trees and shrubs. A cover lifter can also serve as a screen.

You will need to get outside to use your hot tub, whether it is sunny or rainy. Also, you’ll need to go outside to test your spa water and adjust it, as well as clean and maintain the filters. The good news? Very few spa owners think like that.


Indoor and outdoor hot tubs are excellent in certain areas like entertainment. You might want to be able to enjoy the big game in your spa. An LED display is a perfect solution.

Your plans for how you will use your spa will determine whether your hot tub should be placed indoors or outdoors. You will be able to decide which location is best for you. Also, learn about the different hot tub models and the features available.

Andrew Ellis is the 'hands-on' webmaster, content curator and Captain of the good ship Poshh Living Father of one and master of none. Fitness, health and of course home improvement are Andrew's key areas of expertise. Andrew has worked in many roles, from product designer to purchaser, for spa products, garden furniture and tech. Andrew is a really well-respected voice within these business circles.

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