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InverBoost

Advanced inverter heat pump technology that keeps your spa warm and energy bills low.

Smarter Heating Starts Here

Heating your hot tub shouldn’t be a drain on your wallet or the environment. InverBoost heat pumps are purpose-built to deliver reliable, whisper-quiet spa heating with exceptional efficiency — even in the unpredictable UK climate.

Unlike conventional systems, InverBoost dynamically adjusts power output to match heating demands, delivering consistent comfort while dramatically lowering energy use.

Why InverBoost Makes Sense for UK Spa Owners

Whether you use your hot tub daily or just a few times a week, InverBoost ensures you’re only using the energy you need — no more, no less.

Key advantages include:

Up to 70% energy savings compared to traditional electric heaters

Ultra-low noise operation – ideal for quiet gardens and patios

Eco-friendly R32 refrigerant for minimal environmental impact

Engineered for British Back Gardens

The UK’s varied climate calls for equipment that can perform in everything from mild drizzle to hard frost. InverBoost is engineered with our seasons in mind.

No matter the season, your spa stays ready, reliable, and inviting.

Eco-Friendly and Economical

Energy costs in the UK are rising — but your spa doesn’t have to be part of the problem. InverBoost offers a future-focused alternative to electric-only systems, giving you full heat and full control with a lighter environmental footprint.

Lower your carbon output

Reduce monthly heating bills

Enjoy longer spa sessions without guilt

Explore InverBoost Range

What Our Customers Say

Hear from spa owners across the UK who’ve switched to InverBoost and now enjoy quieter, greener, and more cost-effective spa heating every day.

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william logan profile picture
william logan
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⭐⭐⭐⭐⭐ From the very first visit to the showroom right through to the final install, the service from Heavenly Hot Tubs & Swim Spas was absolutely outstanding. I initially dealt with John in the showroom and his knowledge, honesty and advice immediately put us at ease. Nothing felt like a sales pitch, just genuine experience and passion for helping us choose the right hot tub for our home. The installation itself was far from straightforward and honestly would have put a lot of companies off. Access to our garden was extremely difficult, involving navigating through a gap barely wide enough for John’s jeep, disconnecting the trailer, manually pushing it through, reconnecting it again, then carefully driving a long distance across rough field terrain before finally getting the tub over a fence and into the garden. Watching it all unfold was like a real-life engineering challenge 🛠️🌿 On the day of the install, Ellie came out with John and the two of them worked unbelievably hard as a team. Their professionalism, patience and determination were incredible from start to finish. No stress, no complaints, just two people completely focused on getting the job done properly and safely. Their knowledge of the products and installation process was second to none and the level of customer care we received was genuinely exceptional. It is rare these days to find a company that combines professionalism, expertise and such a personal touch so perfectly. If anyone is even contemplating buying a hot tub, I honestly could not recommend Heavenly Hot Tubs & Swim Spas highly enough. Absolutely first class service from start to finish. 🌟
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Tony Rehman profile picture
Tony Rehman
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If you’re looking for a hot tub, look no further! These guys know what they’re talking about and guided me from start to finish… These guys are the best in the market I recommend them 100% The team at heavenly hot tubs are absolutely fantastic. I can’t thank you enough keep all the good up guys 👍🏼 👍🏼
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JAMES HUME profile picture
JAMES HUME
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We are greatly enjoying our new hot tub that you supplied and fitted for us. Energy costs have been less than we expected. So far so good! Thank you.
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Gary Potts profile picture
Gary Potts
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Heather and Jon were excellent and helped us pick the right Hot Tub for our family. Great team from enquiry to installation.
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Jim Young profile picture
Jim Young
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I purchased a hot tub during December 25. I found Heather and Jon very helpful during my selection process and subsequent delivery and installation was seamless. Any questions or advice required after sales and installation has been provided quickly and professionally.
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Hugh Brown profile picture
Hugh Brown
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Recently purchased a hot tub from Heavenly Hot Tubs and Swim Spas in Johnstone. Attention and service from the word go has been excellent, nothing was too much trouble. Delivery was arranged at the time of order and was there at the time and date organised. This is a family run business and I would highly recommend them to anyone looking to purchase a hot tub or spa.
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Matthew Mc Mullen profile picture
Matthew Mc Mullen
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My wife and I found heavenly hot tubs on a Saturday morning after a quick Google search for hottubs showroom near us. We where surprised at the amount of hottub on show when we arrived. After travelling around Dundee, Edinburgh and other cities we found the hottub that we where looking for just 15 minutes away from our house. A family ran business without any nonsense. when we where looking around there was no pushy sales. Straight forward knowledgeable answers to any questions we had from Heather and Jon. We picked our hottub within 10 minutes as we knew what we wanted from looking around. luckily it was already in stock and was delivered and set up by Jon within a week. Came with everything we needed to get started a d some recommendations to make it easier to manage.. couldn't fault anything from this company.. was a pleasure to deal with from Start to finish.
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rachel taylor profile picture
rachel taylor
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Amazing friendly service! Received lots of information that allowed us to pick the right Hottub for us and installation was fast and efficient. Would absolutely recommend
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John profile picture
John
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Great company to deal with, purchase was easy, delivery was excellent and their after care has been great
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JASON NOBLE profile picture
JASON NOBLE
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Heather and Jon at the team were very helpful in sorting out my hot tub at a very reasonable price. Communcations were great throughout the process. Definitely recommend.

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How do I order?

To purchase online:
1. Proceed to checkout and complete your order.
2. We’ll call you within 48 hours to schedule everything.
3. If you need installation, we’ll discuss options and arrange a site survey over the phone.
4. Your item(s) will be delivered hassle-free on your chosen date.
5. If you’ve opted for installation, this will be completed on the day of delivery.
Alternatively you can come visit one of ourshowrooms , call us or request a call back and we can arrange everything there and then including finance if desired.

Delivery

All of our acrylic hot tubs can be delivered anywhere within the UK mainland. To ensure the best experience, we schedule a convenient delivery date for you. Our team will contact you within 48 hours of placing your order to confirm the details.

Installation

If you’d like to have your hot tub installed, our expert engineers are available to get everything set up for you. Ahead of your installation date, we’ll arrange a site survey (usually completed by phone or video call) to ensure we can access your garden space and allow for a smooth installation.
Take a look at our customer installation reviews for examples of our recent work.
For some hot tubs, a Crane/Hiab may be required to move them into position depending on your access. This service comes at an additional charge and must be arranged with an external company. If you’re unsure where to start or would like a recommendation, our team will be happy to assist.