Important Information
For optimal sauna performance, it’s important to choose a heater with sufficient power. We recommend a minimum heater capacity of 8kW to ensure the sauna can reach and maintain an adequate temperature. However, for a faster heat-up time and a more comfortable, consistent warmth, we strongly suggest opting for a 9kW heater where possible. The additional capacity helps the sauna reach your desired temperature more efficiently and maintains it more effectively during use, enhancing the overall sauna experience.
When Choosing an Electric Sauna Heater
Electric sauna heaters are a clean, convenient and low-maintenance way to heat your sauna. They’re quick to install and easy to use, offering precise temperature control at the touch of a button.
However, because they’re a powerful electrical appliance, there are a few important safety and installation requirements to be aware of:
Must be installed by a qualified electrician
Electric heaters must always be installed by a certified electrician in line with the product manual and UK electrical standards (BS7671:2018).
Compatible with single or three-phase power
Our heaters can be installed on single phase 240V or three phase 400V electrical supplies, depending on your property setup.
Safety first:
The power supply must be isolated at the fuse panel before any work is carried out. The power supply cable used must comply with BS7671:2018. A local isolation switch that isolates all live conductors is strongly recommended.
RCD guidance
In line with IEC 60364-7-703 and BS7671:2018, electric sauna heaters do not need to be connected via an RCD (Residual Current Device). In fact, heater manufacturers recommend avoiding RCDs on the heater circuit to prevent nuisance tripping. However, any other electrical devices inside the sauna room should use an RCD.
Tip: Always follow the installation manual supplied with your heater and consult a certified electrician before installation.
When Choosing a Wood-Burning Sauna Heater
A wood-fired heater gives you a traditional Scandinavian sauna experience - authentic dry heat, relaxing firelight and a rich natural aroma from real burning wood.
If you prefer an off-grid heat source and a true cabin feel, a wood-burning sauna heater is a perfect choice - but it does require correct installation.
The stove must be connected to a flue or chimney by a qualified installer.
Installation must follow EN 15821:2010 and all applicable UK building and fire regulations.
The heater must sit on a non-combustible surface (min. 60mm thick) with suitable load-bearing strength.
Avoid mechanical extraction systems unless approved by a specialist - they can disrupt airflow and impact combustion.
These heaters are designed only for use with dry wood logs. Other fuel types must not be used.
Important Care & Maintenance for All Saunas
To help your sauna last for many years:
Your sauna is supplied untreated - we recommend applying a high-quality wood treatment externally after installation.
Our 44mm timber walls provide excellent heat retention and durability, ensuring efficient heating and a long lifespan.
