Save up to 75% on hot tub heating costs
Heat pumps for hot tubs, swim spas and pools supplied and professionally installed to reduce running costs and improve heating efficiency.
Ideal for homes, holiday lets, lodges and commercial sites. Send us a photo on WhatsApp for a fast quote and sizing advice.
RL Spa provides hot tub heat pump installation across the UK, including systems for hot tubs, swim spas, pools, holiday lets, lodges and multi-tub commercial sites. We supply, size, install and commission efficient air source heat pumps designed to reduce electricity costs and improve year-round heating performance.
Contact us for the best option and quote
A compact and efficient option for smaller hot tubs, inflatable spas, cold tubs and lighter-use setups. Ideal when you want lower running costs, quieter heating and a neat professional installation.
Not sure if 5kW is right for your setup? Send us a photo and we’ll recommend the best option.
Contact us for the right option and quote
The ideal all-round heat pump for most domestic hot tubs and regular-use setups. A strong choice when you want lower running costs, faster heating and a neat professional installation. WiFi control makes temperature management simple and convenient.
Not sure if 9kW is the right size? Send us a photo and we’ll recommend the best option for your setup.
Contact us for the right option and quote
A high-performance heat pump designed for large hot tubs, swim spas and higher-demand setups. Ideal when fast heating, strong efficiency and reliable performance are essential. WiFi control allows easy remote management.
Not sure if 13kW is right for your setup? Send us a photo and we’ll recommend the best option.
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A versatile 3-in-1 heat pump with heating, cooling and chilling modes. Ideal for hot tubs, cold tubs and ice bath setups where flexibility matters. WiFi control makes temperature management simple and convenient.
Not sure if the Poolex 7kW is right for your setup? Send us a photo and we’ll recommend the best option.
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A high-performance heat pump designed for larger hot tubs and regular-use setups. A strong choice when you want reliable performance, lower running costs and a quality install. Compatible with all RotoSpa hot tubs.
Not sure if SpaNET 8.8kW is the right fit? Send us a photo and we’ll recommend the best option.
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A premium high-output heat pump built for swim spas, large hot tubs and high-demand setups. Ideal when strong heating performance, efficiency and reliability are essential. Compatible with all RotoSpa hot tubs.
Not sure if SpaNET 12kW is the right fit? Send us a photo and we’ll recommend the best option.
Lower running costs • Faster heating • Professional installation
A hot tub heat pump installation uses outdoor air to heat your spa far more efficiently than a standard electric heater. That means lower electricity bills, faster warm-up times and a more affordable spa to run all year round.
Whether you want to cut costs on a domestic hot tub or improve efficiency on a larger swim spa, RL Spa supplies and installs correctly sized systems with tidy pipework, neat electrics and professional commissioning.
How it works • Why it saves money • Is it right for your spa?
A hot tub heat pump installation does not create heat in the same way as a standard electric heater. Instead, it pulls warmth from the outside air and transfers it into your spa water far more efficiently. That is why a properly sized system can help reduce running costs by up to 75% while keeping your spa warm and ready to use.
Even in cooler UK weather, the unit draws usable warmth from the outside air to start the heating process.
The compressor raises the temperature and transfers the heat into your water using far less electricity than a standard element.
Once installed and sized correctly, your hot tub or swim spa can heat more efficiently and cost much less to run.
Actual savings depend on ambient temperature, target water temperature, spa size, cover quality and usage.
Cold-climate models include defrost control and are chosen according to how you use your spa. RL Spa sizes the system properly so you get reliable year-round performance.
Hot tub heat pumps from £1490 supplied & installed
Swim spa heat pumps from £2999 supplied & installed
Send us a photo of your hot tub or swim spa on WhatsApp and we’ll help recommend the right option for your setup.
A few examples of our professional installations showing compact placement, tidy pipework and clean commissioning for hot tubs and swim spas.
Want to know if a heat pump will work with your hot tub or swim spa?
A few examples of our tidy pipework, compact placement, and neat commissioning.
Holiday parks • Lodges • Caravan sites • Multi-unit installs
For parks and accommodation providers running hot tubs across multiple units, a professionally planned hot tub heat pump installation can dramatically reduce running costs while keeping tubs guest-ready. These systems are ideal where weekly water changes, fast reheating and energy efficiency all matter.
RL Spa supplies and installs heat pump systems for holiday lets, lodges and caravan parks looking to improve turnaround times, reduce electricity use and maintain reliable performance across single or multiple tubs.
We review your hot tub or swim spa, confirm the correct heat pump size, and check pipe routes and electrics so we can provide a clear fixed quote.
RL Spa installs the system with bypass kit integration, insulated pipework, weatherproof electrics and neat commissioning.
We set the correct temperature settings, explain the controls, and show you how to run the system for the lowest possible energy cost.
RL Spa are experienced specialists in keeping hot tubs and swim spas clean, safe and fully working. Alongside heat pump installations we also provide regular spa servicing, diagnostics and repairs for many leading brands.
Send RL Spa a photo of your hot tub or swim spa and we’ll help recommend the right heat pump for your setup. We can size the system correctly and advise on the best option for your spa, usage and location.
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The more details you add, the easier it is for us to recommend the right heat pump and quote accurately.
A professional hot tub heat pump installation allows spa owners to heat their water far more efficiently than traditional electric heaters. Instead of generating heat directly, an air-source heat pump transfers warmth from the surrounding air into the water, delivering several times more heat energy for the same electricity used.
This means a properly sized hot tub heat pump installation can dramatically reduce running costs while maintaining consistent water temperature. Many customers see savings of up to 75% on heating costs depending on usage and outdoor temperatures.
RL Spa specialises in professional hot tub heat pump installation for domestic hot tubs, swim spas, holiday park spas and commercial spa facilities. Each installation is designed to integrate with your existing filtration system using a bypass kit and properly sized pipework to ensure optimal performance and reliability.
Whether you own a private hot tub at home or operate multiple tubs at a holiday park, our hot tub heat pump installation service helps reduce electricity usage while ensuring your spa heats quickly and remains guest-ready year-round.
