Electric Sauna Heaters for Home Use - Premium Nordic Performance

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Why Choose a Home Electric Sauna Heater?

A sauna electric heater offers consistent performance with none of the mess or maintenance of wood-burning stoves. Designed for clean operation and easy control, they’re the ideal solution for those seeking an authentic sauna experience with the convenience of modern technology.

Benefits include:

  • Accurate temperature control - via dials, wall panels, or Wi-Fi apps
  • Cleaner - no smoke, ash, or firewood
  • Compact and efficient - perfect for indoor or outdoor sauna builds
  • Low maintenance - simple care, high durability

Each electric heater for sauna use is compatible with Traditional Sauna Stones, allowing you to pour water over them for gentle steam, known as löyly. We offer high-quality stones like olivine diabase and vulcanite, chosen for their heat retention and ability to produce soft, moisture-rich steam.

High Performance & Trusted Brands - Electric Sauna Heaters UK

At Finnmark, we supply only the highest quality electric sauna heaters UK-wide UK wide, built for long-term efficiency and true Nordic heat. Our range includes models to suit saunas from 3m³ to 28m³ in volume, with both wall-mounted and floor-standing options to match your space and style.

Brands We Trust:

  • Narvi - Finnish-built heaters known for reliability and generous stone capacity. Narvi heaters are well-suited for regular use and offer stable, long-lasting warmth.
  • HUUM - Combining elegant Nordic design with cutting-edge technology, HUUM heaters deliver soft steam through an open stone basket and support smart app control via Wi-Fi.
  • IKI - Featuring a distinctive stainless-steel mesh build, IKI heaters maximise stone exposure for gentle, extended heat. Ideal for larger home sauna heater setups or those who prefer traditional steam quality.
  • Tulikivi- These artisan soapstone heaters offer beautiful heat diffusion with energy efficiency in mind. Tulikivi heaters are a stylish upgrade for spa-inspired sauna spaces.
  • Helo - A pioneer in electric sauna heaters, Helo offers a wide range of models suited to UK homes, including easy-to-use dial or digital controls and compact options for tight installations.

Heating Solutions That Fit Your Space:

  • Power outputs from 3kW to 18kW, suiting sauna volumes from 3m³ to 28m³
  • Available in wall-mounted and floor-standing formats
  • Choose from integrated, digital, or Wi-Fi-enabled controls.

Our sauna specialists are on hand to assess your space, calculate heating requirements, and help you choose the best electric sauna heater for your home, ensuring long-term efficiency and a comfortable, consistent sauna session every time.

Contact Us today to find your perfect sauna electric heaters.

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Frequently Asked Questions

How do I know which size sauna electric heaters is best?

Heater size depends on your sauna’s internal volume. As a rule of thumb, allow 1kW of power per 1 to 1.5 cubic metres. You may need a more powerful unit if your sauna includes large glass panels, poor insulation, or outdoor exposure. Our team can advise on the most efficient model based on your specific layout.

Glass loses heat more quickly than timber, so it increases the effective size of the sauna for heating purposes. The adjustments are:

Single-glazed glass adds 1.5m³ per 1m² of glass

Double-glazed glass adds 0.75m³ per 1m² of glass.

Can I use electric sauna heaters in an outdoor sauna?

Yes, our electric heaters for sauna buildings are suitable for outdoor saunas as long as the space is properly insulated and protected from the elements. Many UK customers install them in garden cabins or purpose-built outdoor spaces. A qualified electrician should handle all electrical installations to ensure compliance.

What are the control options for sauna electric heaters?

You can choose between:

- Manual dials (typically integrated into the heater)
- Wall-mounted digital control panels
- Wi-Fi-enabled remote systems (via smartphone app)

Wi-Fi control allows you to preheat your sauna, set timers, and adjust temperature settings remotely, perfect for busy schedules or spontaneous sauna use.

Why are sauna stones important for electric heaters?

Stones absorb and release heat gradually, helping to regulate the sauna environment. They also allow you to create löyly, soft bursts of steam, by pouring water over the hot surface. We supply high-quality olivine diabase and vulcanite stones, chosen for durability, heat retention, and even steam distribution.

Do I need a professional to install my electric sauna heater?

Yes. While mounting the unit is often simple, all electrical connections must be carried out by a qualified electrician to ensure safety and regulatory compliance. We’re happy to recommend installation best practices or connect you with trusted tradespeople if needed.

We would love to hear from you.

If you'd like to talk about your sauna plans, or simply want some free help and advice, send us a message below or call us on+44 (0)20 8050 2895