9 Essential Considerations For Buying A Hot Tub

In this article, we will discuss some crucial factors to consider before buying a hot tub. Our expertise in servicing and selling hot tubs ensures that we can provide you with valuable advice that will help you make an informed decision.

1. Selecting the Ideal Hot Tub

When choosing a hot tub, it’s essential to consider the various types available, there can be subtle differences in features and functions. Consider factors like hydrotherapy benefits, the number of seats, and your budget before making a decision. Hot tub prices can vary massively, from £3,000 to £20,000. You may be surprised at how little difference there is in the features, especially from the mid to the high-end hot tubs.  With our range of hot tubs, we aim to provide value to the hot tub market, meaning that you can experience the luxury of owning your own hot tub without breaking the bank. On top of this, we make sure the quality is excellent, meaning your hot tub is sure to stand the test of time.

2. Size and Space Requirements

Before purchasing a hot tub, assess the dimensions and size of the unit and the available installation area.  Ensure that there is enough space for placement and that it can be easily accessed for maintenance and cleaning.  We have a guide on Access Requirements to help you with this. Look out for the dimensions labelled on our models to guide you.

3. Jets and Hydrotherapy Features

Hot tub jets come in various types, including air jets, water jets, massage jets, and therapeutic jets. These jets provide hydrotherapy benefits, such as relaxation and muscle relief. The below image shows the most common types of jets you will find when buying a hot tub. Different hot tub jets and what they are for When buying a hot tub, consider the number of jets and their customisable settings to ensure a comfortable and therapeutic experience.  Generally, you will find the more jets, the more expensive the tub is. However, do ask about the pumps as having a lot of jets means you really need a powerful pump.  With all of our hot tubs, you can rest assured that the pump will have sufficient power for all the jets on that particular model. 

4. Water Usage and Management

Consider the hot tub’s water capacity and the frequency of refill and drainage. We recommend refilling your hot tub every 3 months to keep everything as fresh as it can be.  Implement a regular water maintenance schedule, including sanitisation and disinfection, to keep the water clean and safe.  Our chemical kits will help you with this. Our hot tub care kits are a best seller due to how simple they are to use.  Oh and don’t forget about the filters, make sure to change your hot tub filters every 2-3 months too. Water feature on a hot tub

5. Longevity and Durability

A hot tub’s longevity depends on its durability, lifespan, and the quality of materials used in its construction. Look for a hot tub with a solid warranty cover and consider the cost of potential repairs.  Purchasing a hot tub from a reputable brand, like Black Diamond Spas, ensures a high-quality product that will last for years. All of our hot tub interiors are made with USA Aristech acrylic and are a well-known, dependable brand across the industry.  Regular servicing of your hot tub is a must if you want to make your hot tub last as long as possible. You can book in your service with us on our website.

6. Electrical Setup – 13 Amp or 32 Amp?

Hot tubs have varying electrical requirements, including hard-wired (32 Amp) and plug-and-play (13 Amp) options.  Generally, a 32 Amp hot tub takes slightly more set-up in terms of electrics but provides far better performance in terms of hydrotherapy massage.  A 13 Amp plug-and-play model just requires a standard external socket and tends to be cheaper to buy.  When searching for your hot tub, you will see that we have labelled which electric supply each model requires. If you aren’t looking at moving house in the short term, we always recommend a 32 Amp model as they can provide more power and therefore the most relaxing experience.

7. Hot Tub Covers and Insulation

A quality hot tub cover is crucial for insulation, protection and heat retention. This is because around 60% of the heat from a hot tub can be lost from the surface of the water. A well-fitting cover reduces energy consumption and also helps prevent debris from entering the tub.  Look for covers with durable materials and strong locking mechanisms to ensure they stay in place and provide optimal performance.  All our hot tubs come with suitable well fitting covers included in the price, so you don’t have to worry about that with Black Diamond Spas. Some might say we have you covered…  Cover on a hot tub showing technical details When it comes to insulation, ask about what type of insulation your ideal hot tub has. We have a range of insulations for different models, our Spa-Tech insulation on certain models is our solution to providing good heat retention whilst keeping the cost of the hot tub as low as possible.  Spa-Tech insulation on a hot tub

8. Ventilation and Humidity Control

Proper ventilation is essential for managing humidity control and preventing condensation in the area surrounding your hot tub.  If you plan on having your hot tub in an enclosed space, you may want to think about installing an extractor fan to ensure adequate airflow to minimise the risk of mould and mildew growth.  If you are thinking about this, we recommend consulting with a local contractor to determine the best ventilation solution for your space.

9. Expert Advice and Support When Buying a Hot Tub

Finally, rely on the guidance, tips, and recommendations provided by our knowledgeable staff at Black Diamond Spas.  With over 15 years of experience in the industry, we can help you navigate the various options and make the best decision for your needs. Our excellent customer service and delivery teams are here to ensure a smooth purchase and installation process.  Don’t just take our word for it though, you can have a look at all our great feedback from customers either on our website or on Google. Review summary showing positive reviews

10. Summary

At Black Diamond Spas, we are dedicated to helping you find the perfect hot tub for your needs.  By considering the factors mentioned in this article when buying a hot tub, you can make a well-informed decision that will provide years of relaxation and enjoyment.  Feel free to contact us on 01246 261807 or email us at sales@blackdiamondspas.co.uk for any further information or assistance. Buying a hot tub. Come to the Black Diamond Spas Showroom

Picture of Jake


I'm Jake Keller, a seasoned Sales Director with 7 years of experience in the industry. I'm proud to have played a pivotal role in developing our bestselling Monaco 2 Lounger hot tub and orchestrating our move to a larger unit in 2018 due to rapid growth.

I oversee all sales and manufacturing operations, drawing on my extensive knowledge of hot tubs' technical aspects, particularly in electrical components.

With a BSc in Sports Science, I bring a unique perspective to the industry. I'm committed to expanding my presence in the digital space.


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