Wellness products

Commercial saunas

About our Commercial saunas

Beyond looking good, commercial saunas must handle heavy daily use, stay safe, heat consistently, and be easily to maintained. Browse high-quality commercial grade sauna rooms for gyms, hotels, spas and leisure centres, with expert guidance on size, heaters, controls and installation.

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Commercial saunas designed for heavy duty daily use

Commercial saunas aren’t just bigger home saunas. They’re specified for high footfall, repeated heating cycles, and the kind of wear you only get in gyms, hotels, spas and wellness spaces. That means durable cabin construction, robust interior, reliable doors, safety accessories, and a build quality that stays comfortable during all day use.

If you’re looking to source commercial saunas for sale in the UK, it’s wise to prioritise the practical stuff such as consistent heat, easy cleaning, sensible ventilation, robustness, and an overall finish that still looks presentable after months of daily use.

Large indoor sauna cabins and capacity planning

Many businesses choose large indoor sauna cabins for their contained footprint and predictable operation, but the size you choose should be driven by demand. Think in terms of peak users, session length, and turnover across the day.

Bench layout matters as much as floor area: comfortable seating heights, safe access, and a door position that reduces heat loss during busy periods. A well-sized commercial sauna improves user satisfaction, increases repeat use, and reduces complaints.

Heaters, controls and commercial installation

A commercial sauna is only as strong as the heater and control strategy behind it. Choosing the right commercial sauna heaters and controls helps maintain stable temperatures, improves recovery between sessions, and reduces the risk of misuse. Installation planning matters just as much.

Electrical supply requirements, safe clearances around the heater, control placement, ventilation, and maintenance access all affect performance and long-term reliability. Commercial sauna cost isn’t only about cabin size. Aspects such as insulation, glazing, duty cycle and installation complexity all influence running costs and the user experience.

Optional upgrades without compromising reliability

Depending on your venue and audience, you may also want to offer enhanced experiences such as far infrared options, salt features, chromotherapy lighting or aromatherapy. The key is doing upgrades without undermining safety, durability, cleaning practicality, serviceability and consistent heat.

Commonly asked questions

How do I choose the right size commercial sauna?

Start with expected number of peak users, session length, and sessions per day. A large sauna isn’t automatically better as over-sizing can raise running costs and slow recovery, especially if the heater is mismatched. With over 40 years experience, we'll help you size for comfort and heat performance.

In the UK, smaller commercial saunas can run on single-phase, but larger cabins and higher-output heaters often benefit from or require three-phase. The deciding factors are heater rating, site supply, and how fast you need heat.

Typical wattage for larger saunas is 9kW and above. There are many heavy duty heaters designed for extra large saunas. It depends on capacity, recovery needs, and how the sauna will be controlled. Commercial wellness spas usually prioritise heaters and control systems designed for consistent temperature stability, safe operation, and predictable management. We’ll recommend heater wattage to match the cabin volume and usage.

For optimum safety, at minimum you'll need reliable overheat protection, appropriate remote control strategy for staff, clear heater guarding, safe clearances, signage, and a practical operating procedure.

Most fire incidents are driven by customer misuse such as items placed on or near the sauna heater. Reduce risk with clear rules and signage, heater burn guard, a staff check routine, correct clearances, and making it physically hard to do the wrong thing.