Barrel 210 Nero Sauna

The timeless barrel sauna, reimagined in deep black-stained thermo-spruce.

ETL & CE certified

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Colour

Nero (current) Scandi

Recommended configuration

Heat Source

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Choose your heater

Floor mounted

Harvia Cilindro PC90E

Harvia Cilindro PC90E
The Harvia Cilindro PC90E is the North American edition of Harvia's sculptural free-standing column heater — 9 kW, 240 V and ETL-listed to US and Canadian safety standards. Its cylindrical steel basket holds a generous bed of stones that radiates soft, even heat from every side of the cabin. Pairs with the Harvia Fenix FX45 Wi-Fi control unit for app-based scheduling and temperature control.

Output options

9 kW (Recommended)

  • Fenix WiFi Control

Electric vs wood-fired

This cabin can be heated two ways. Pick the ritual that suits you.

  • Electric (Harvia Cilindro). One-touch convenience with precise temperature control and optional Wi-Fi scheduling. Ready to bathe in 30 to 45 minutes, with no fuel or flue to manage.
  • Wood-fired (Harvia Linear 18). The traditional experience, with the crackle and aroma of a real fire and a deep, enveloping heat. It needs no power supply, so it is ideal for off-grid gardens.

Both reach full löyly temperature. The choice comes down to convenience versus authenticity.

Wall mounted

Harvia Spirit SP90E

Harvia Spirit SP90E
The Harvia Spirit SP90E is a compact wall-mounted electric heater for North American installations — 9 kW, 240 V single phase and ETL-listed to US and Canadian safety standards. Mounting on the wall frees up floor and bench space while its stone chamber delivers a full, steamy löyly. Pairs with the Harvia Fenix FX45 Wi-Fi control unit for app-based scheduling and temperature control.

Output options

9 kW (Recommended)

Electric vs wood-fired

This cabin can be heated two ways. Pick the ritual that suits you.

  • Electric (Harvia Cilindro). One-touch convenience with precise temperature control and optional Wi-Fi scheduling. Ready to bathe in 30 to 45 minutes, with no fuel or flue to manage.
  • Wood-fired (Harvia Linear 18). The traditional experience, with the crackle and aroma of a real fire and a deep, enveloping heat. It needs no power supply, so it is ideal for off-grid gardens.

Both reach full löyly temperature. The choice comes down to convenience versus authenticity.

Wood-burning

Harvia Linear 18

Harvia Linear 18
The Harvia Linear 18 is a wood-burning stove for an authentic, off-grid sauna ritual. The crackle of the fire and the deep, enveloping heat of a real burn create an experience no electric heater can match — ideal for outdoor cabins beyond a power supply.

Output options

14.3 kW (Recommended)

Electric vs wood-fired

This cabin can be heated two ways. Pick the ritual that suits you.

  • Electric (Harvia Cilindro). One-touch convenience with precise temperature control and optional Wi-Fi scheduling. Ready to bathe in 30 to 45 minutes, with no fuel or flue to manage.
  • Wood-fired (Harvia Linear 18). The traditional experience, with the crackle and aroma of a real fire and a deep, enveloping heat. It needs no power supply, so it is ideal for off-grid gardens.

Both reach full löyly temperature. The choice comes down to convenience versus authenticity.

Find a stockist
  • 3 Year Warranty
  • Stockists Worldwide

A classic barrel sauna for four

Seats
4
Setting
Outdoor
Heat
Floor-standing electric
Timber
Thermo-spruce, aspen benches

The Barrel 210 seats four in the classic round barrel shape. It is the smaller of our two barrel saunas, and like all Hekla outdoor saunas it is built to live in the garden. The thermo-spruce staves resist moisture, and the thermo-aspen benches stay smooth to sit on. Compare other 4 person saunas. The sauna buying guide explains how to prepare a base.

Seats 4

Black-stained thermo-spruce

Half-panoramic window

Stainless steel bands

Harvia electric or wood-fired heater

Black shingle roof

  • Thermo-spruce barrel staves, black-stained
  • 8mm grey tempered glass door
  • Half-panoramic window or solid wooden back panel
  • Two facing thermo-aspen benches
  • LED light strip with remote control
  • Bituminous roof shingles
  • Stainless steel barrel bands
  • Supplied without heater (sold separately)
  • Includes thermometer, hygrometer, sand timer, bucket & ladle
Supplied without a heater so you can match it to your space. We recommend a Harvia Cilindro 6.8 kW or 9 kW electric heater (80/90 kg stones, manual control, optional Wi-Fi), or a Harvia Linear 18 wood burner (14.3 kW, 40 kg stones) for the 210.

Heat Source

This sauna is independently tested and certified to meet the electrical-safety standards of both North America and Europe — so you get the same tested build wherever it is installed.

  • ETL Listed — conforms to US & Canadian safety standards
  • CE marked — European conformity
  • Tested by an accredited independent laboratory

Thermo-Aspen Benches

Smooth, splinter-free thermo-aspen benches and floor inside a heat-treated spruce shell.

Double-Glazed Glass Front

Full-height toughened glass, double-glazed to keep the heat in and the weather out.

Ambient LED Lighting

Dimmable warm LED strip lighting for a soft, restful glow.

Close-up of thermo aspen bench slats showing the grain

The Hekla Difference.

The Barrel is built from thermo-spruce staves, heat treated so they stay stable through rain and frost. Inside, the benches and floor are thermo-aspen. It is smooth, resin-free and comfortable against the skin.

Gloved hands smoothing a timber board on a workbench covered in sawdust

Customer Reviews

Improved sleep

Improved sleep

A regular sauna ritual calms the nervous system for deeper, more restful sleep.
Eased muscles

Eased muscles

Heat loosens tight muscles and eases the body, supporting recovery after training or a long day.
Heart Health

Heart Health

Heat asks the body to work, gently. The heart beats faster, blood vessels open and circulation deepens. It's a response close to light exercise.

Before you buy

FAQs

Four, on its two facing benches.
Choose a clear half-panoramic window to frame the garden view, or a solid wooden back panel for a warmer, fully enclosed cabin. Both share the same grey-glass front door.
The Barrel 210 is supplied without a stove or stones, so you can choose your own. We recommend a Harvia Cilindro electric heater or a Harvia Linear 18 wood burner.
Yes. Thermo-treated spruce, stainless steel bands and a bituminous shingle roof are made to weather the garden through every season.

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