The Ounas for two, front view: black vertical timber boards with the control panel left of the glass door
The TUNDRA Ounas indoor Finnish sauna for two, three quarter front right view: black vertical timber boards on the front and sides, glass door on the right, spruce interior
The Ounas for two against the wall of a home gym in a condominium, daylight from the window
The Ounas for one, 1,000 mm wide, three quarter front right view
The Ounas in its two sizes side by side: 1 person, 1,000 mm wide, and 2 persons, 1,200 mm wide
The Ounas for one in the corner of a master bathroom in the evening
Inside the Ounas: the wall-mounted Harvia stove with its sauna stones and the spruce guard, warm LED light on the benches
Inside the Ounas: two-tier spruce bench with backrest, warm LED light along the backrest and under the bench nose
Water poured from a wooden ladle onto the hot stones of the Harvia stove, steam rising
Harvia Xenio control panel on the black front panel beside the glass door, spruce interior behind the glass
The Ounas spruce door pull with the TUNDRA logo mark laser-engraved near its top
The TUNDRA wordmark sandblasted on the Ounas glass door
The Ounas for two in the corner of a covered condominium balcony at blue hour, a woman in a bathrobe by the glass door
The Ounas for two, three quarter front left view: black vertical timber boards on the front and sides
The Ounas for one, front view
Tundra Ice Bath

Ounas

Sale price$7,090.00 SGD

The Ounas is a traditional Finnish sauna for indoor rooms, in one design and two sizes: 1 person or 2 persons.

A wall-mounted Harvia stove heats the cabin and the Harvia Xenio control unit sets the temperature from 40 to 110 °C, on the panel or in the MyHarvia app. Pour water over the stones for loyly, the Finnish steam.

Specifications

  • 1 person: 1,000 × 1,050 × 2,180 mm (W × D × H), Harvia Vega Compact BC35E, 3,500 W
  • 2 persons: 1,200 × 1,050 × 2,180 mm (W × D × H), Harvia Vega BC45E, 4,500 W
  • Control: Harvia Xenio CX110XW with WiFi, 40 to 110 °C
  • Interior: Finnish spruce, two-tier bench with backrest
  • Exterior: black vertical timber boards on the front, sides and back, glass door, TUNDRA wordmark sandblasted on the glass, timber pull with the engraved TUNDRA logo mark
  • Lighting: warm LED along the top of the backrest and under both benches
  • Audio: two ceiling speakers with Bluetooth
  • Power: hard-wired, 230 V single phase, 16 A (1 person) or 20 A (2 persons), with a local isolator and circuit protection as specified in Harvia's installation manual
  • Indoor use only. Minimum ceiling height 2,280 mm

Included

  • Cabin, stove with stones and heater guard, control unit, bench, lighting, speakers and all fixings
  • Delivery, installation and commissioning (Singapore)
  • 2 year warranty on the cabin, the Harvia stove and the Xenio control
Size: 1 pax
Installation Type: Indoor

Made to order for you. Delivered, installed and commissioned in Singapore in about 9 to 10 weeks.

Delivered, installed and commissioned by our own team. Included for mainland Singapore.

Serviced by us, in Singapore, for the life of the product.

Made to order for you.

OUNAS

The Ounas is a Finnish sauna built for indoor rooms. One design in two sizes: 1,000 mm wide for one person, 1,200 mm wide for two. Both are 1,050 mm deep and 2,180 mm high.

Heat comes from a wall-mounted Harvia stove, a 3.5 kW Vega Compact in the 1-person cabin and a 4.5 kW Vega in the 2-person cabin, each sized to its cabin. The Harvia Xenio control panel sets the temperature from 40 to 110 °C. Pour water over the stones for loyly, the Finnish steam.

Finnish spruce on the walls, ceiling and two-tier bench, with a backrest. Black vertical timber boards on the front, sides and back, a glass door and a timber pull with the engraved TUNDRA logo mark. Warm LED light along the top of the backrest and under both benches, and two ceiling speakers with Bluetooth.

Delivered, installed and commissioned in Singapore. The cabin is hard-wired to a dedicated circuit, installed by a Licensed Electrical Worker. A 2 year warranty on the cabin, the Harvia stove and the Xenio control.

Key Benefits

Inside the Ounas: the wall-mounted Harvia stove with its sauna stones and the spruce guard, warm LED light on the benches

Harvia Stove and Control

A wall-mounted Harvia stove with a Harvia Xenio CX110XW control unit. 3.5 kW Vega Compact (BC35E) in the 1-person cabin, 4.5 kW Vega (BC45E) in the 2-person cabin, each sized to its cabin volume. Set the temperature from 40 to 110 °C on the panel or in the MyHarvia app. Pour water over the stones for loyly.

The Ounas in its two sizes side by side: 1 person, 1,000 mm wide, and 2 persons, 1,200 mm wide

One Design, Two Sizes

1 person: 1,000 × 1,050 × 2,180 mm. 2 persons: 1,200 × 1,050 × 2,180 mm. Same design, same finish, same bench layout. Choose the width that fits your room.

Inside the Ounas: two-tier spruce bench with backrest, warm LED light along the backrest and under the bench nose

Two-Tier Bench with Backrest

An upper bench for the hotter air near the ceiling and a lower bench to step up or sit lower. A backrest on the upper bench.

Harvia Xenio control panel on the black front panel beside the glass door, spruce interior behind the glass

Finnish Spruce Interior

Finnish spruce on the walls, ceiling and bench, the traditional Nordic sauna timber. Light colour, straight grain.

The Ounas for one, front view

Sized for Indoor Rooms

A footprint of 1.05 m² or 1.26 m², for a spare room, a bathroom corner or an enclosed balcony. The room needs a ceiling height of at least 2,280 mm.

The Ounas for two, three quarter front left view: black vertical timber boards on the front and sides

Delivered and Commissioned

Delivery, installation and commissioning are included in Singapore. Our team handles transport, assembly, placement and connection to the supply provided on site.

The Ounas for two against the wall of a home gym, portrait crop

Finnish Heat in a Compact Cabin

Return to Yourself

How it feels

Real Finnish heat

Dry heat, with a burst of steam when you pour water on the stones.

Deep relaxation

Muscles soften and the mind slows down.

Easier evenings

An evening session helps many people wind down before bed.

Time together

Room to share a session in the 2-person cabin, without screens.

What the research says

20 years

Follow-up in a Finnish study of 2,315 men. Sauna bathing 4 to 7 times a week was linked with a lower risk of sudden cardiac death than once a week.1

40

Studies in a systematic review that concluded regular dry sauna bathing has potential health benefits.2

40 to 110 °C

Set range of the Harvia Xenio control, from a gentle session to full Finnish heat.

  1. 1. Laukkanen T et al. JAMA Internal Medicine, 2015. Cohort study, 2,315 men.
  2. 2. Hussain J, Cohen M. Evidence-Based Complementary and Alternative Medicine, 2018. Systematic review.

How it feels describes experiences people commonly report. These are personal experiences, not scientifically established effects, and they vary from person to person.

TUNDRA products are wellness equipment, not medical devices. If you are pregnant or have a heart, circulatory or other medical condition, speak to your doctor first. Full references on our science page.

Product specification

Dimensions

1 person: 1,000 × 1,050 × 2,180 mm (W × D × H)
2 persons: 1,200 × 1,050 × 2,180 mm (W × D × H)
Minimum ceiling height: 2,280 mm

Temperature Range

40 to 110 °C (Harvia Xenio CX110XW)

Power Requirements

The Ounas is hard-wired and is not a plug-in appliance. It runs on 230 V single phase, on its own circuit.

  • 1 person, Harvia BC35E, 3,500 W: roughly 15.2 A at 230 V. One 16 A circuit on 3 × 2.5 mm² cable.
  • 2 persons, Harvia BC45E, 4,500 W: roughly 19.6 A at 230 V. One 20 A circuit on 3 × 2.5 mm² cable.
  • Both: a local isolator next to the cabin, and circuit protection as specified in Harvia's installation manual and confirmed for your installation by a Licensed Electrical Worker.

All fixed electrical work is the responsibility of a Licensed Electrical Worker in line with Singapore requirements, and should be in place before the installation visit. We can arrange the electrician and quote it once the cable route has been checked.

Weight

To be confirmed. Packed sizes and weights are given with the order confirmation.

Material & Construction

- Interior: Finnish spruce, walls, ceiling and bench
- Exterior: black vertical timber boards on the front, sides and back
- Front: glass door, TUNDRA wordmark sandblasted on the glass
- Door pull: timber, with the engraved TUNDRA logo mark
- Bench: two-tier, with backrest
- Lighting: warm LED along the top of the backrest and under both benches
- Audio: two ceiling speakers with Bluetooth

Technical guide

Ounas: technical data, planning and owner's guide

Issue B, 14 October 2026. 24 pages. PDF, 2.4 MB.

Both sizes: dimensions and levels, space and clearances, the room, the power supply, delivery and full technical data. Then safety, commissioning, the Harvia Xenio control panel, using the sauna, care, troubleshooting and warranty.

For architects, interior designers and installers. Verify all dimensions on site.

The Ounas for one in the corner of a master bathroom in the evening
Water poured from a wooden ladle onto the hot stones of the Harvia stove, steam rising
The Ounas for two in the corner of a covered condominium balcony at blue hour, a woman in a bathrobe by the glass door

FAQ

Quick answers on delivery, installation and daily use. Can’t find yours? Our Singapore team is one email away.

Our customer support is available Monday to Friday, 9am–6pm SGT and Saturday, 9am-12pm SGT.Average answer time: within 24h
Email us

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