Everything you need to know and consider before installing an indoor hot tub in your home. 

Firstly, can you install a hot tub in your home? Yes, you absolutely can, and they’re a popular choice for those not wanting to spend extra time outside – particular in colder climates.

What are the benefits of an indoor hot tub?

Indoor hot tubs come with a variety of benefits. For one, you don’t have any issues around privacy and making sure that all eventualities are covered. An indoor hot tub affords you the luxury of not having to worry about onlookers or neighbours, as well as making sure that you are sheltered from the elements at all times. 

Hot tubs can end up being fair weather fads if you don’t have the proper covers and enclosures, so an indoor hot tub means you will use it all year around without concern for the weather or outside temperature. 

Indoor hot tubs are also great additions to the home, offering a space to relax and unwind as well as entertain, right in the centre of your home. 

Planning for an indoor hot tub 

We mentioned that indoor hot tubs take a little more planning, so here are the things you need to consider before you order your indoor hot tub.

Space and size

You need to make sure that you have the space for a hot tub, and that the size you’re looking at will comfortably fit within it. Think about the height of the hot tub as well as the ground space, to make sure you won’t be banging heads as you get in and out of it. 

Another thing to take into consideration is the flooring or platform that the hot tub will sit on, as it needs to be able to hold the weight of the tub when full of water – and people!

We all know that the size of your hot tub can make or break the experience, and it is important to have 30cm around it for draining, and around 40cm in front of the tub for entry. Think about this during your planning process, and also consider how you’re going to take delivery of the hot tub!

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Electricity & water sources

You need a water source and an electric source for your hot tub, so where are these in the space and home and how are you going to ensure that they are easily connected for your hot tub?

It is a good idea to have a water tap in your hot tub room with a hose pipe that attaches to make refilling your hot tub as seamless as possible. 


Drainage for an indoor hot tub will not be an issue if you have a pump and your hose to take the water to the nearest drain, but it is something that you need to consider when planning where your indoor hot tub will go. Remember that along with filling your hot tub, you will need to drain it every 3-4 months, too. 


Windows and doors are essential to good ventilation, but you may even consider getting a dehumidifier for your indoor hot tub. Humidity and condensation are quick to build up with an indoor hot tub, and you don’t want these to be absorbed by the floor and walls.


The chemicals needed for hot tub use and maintenance can have a pretty strong smell, so you will want to make sure that you have the right kind of ventilation like we mentioned above, so that your house isn’t filled with a chemical kind of smell.

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Floors and walls

Speaking of which, they need to be protected. Not only from the above, but also from the damp that will be caused by the indoor hot tub. With proper coverings, there is no reason why you can’t enjoy an indoor hot tub, just make sure you’ve covered these bases. 

Along with the humidity, spills from the tub can also become a problem, leading from a small thing to a very big thing if it isn’t something you plan for and keep on top of. 

Walls and ceilings need to be moisture resistant, and you may also want to consider the additional fans and dehumidifiers, too. 

A solid foundation 

The foundation and floor that your hot tub will sit on plays a large part in the planning process. The average weight of a hot tub is 2,000kg with both water and people inside it, so think about the foundation that your tub is going to sit on.

The foundation also needs to be level to ensure that your hot tub is not only safe and sturdy, but that the water is heated throughout the tub, too. 

All in all, an indoor hot tub takes more planning than an outdoor hot tub, but we think that an indoor hot tub is more than worth the extra effort if you’re going to get more use out of it and enjoy it more.