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Leil® Black Cube Comfort 6-8 Person Outdoor Sauna

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Leil® Black Cube Comfort 6-8 Person Outdoor Sauna

The Leil Black Cube Comfort is a customisable 6-8 person outdoor sauna featuring face-to-face bench seating, full glass front with double doors, and your choice of electric or wood-burning heater. Built from 40mm thermowood with 8mm black tempered glass. Estonian craftsmanship, made to order with 3-4 week lead time. From £8,999.

Black Cube Comfort interior showing face-to-face seating and HUUM heater

The Black Cube Comfort

The Comfort is our most spacious Black Cube, designed for those who want room to stretch out and share the experience with family and friends. With generous face-to-face benches seating 6-8 people, it's perfect for social gatherings or simply enjoying more personal space.

Unlike our kit models, the Comfort lets you customise your build – choose your preferred heater, control panel, lighting, and glass options. Each sauna is made to order in Estonia with a 3-4 week lead time.

6-8
Person Capacity
5.7m³
Interior Volume
3-4
Week Lead Time

HUUM FLOW MINI Wood-Burning

For the ultimate traditional sauna experience, the HUUM FLOW MINI brings the crackle of real fire and the ritual of tending the flames. There's something deeply satisfying about heating your sauna the old-fashioned way.

The FLOW MINI produces exceptional löyly – soft, enveloping steam that sauna purists love. The integrated air tunnel design ensures efficient combustion while the large stone capacity holds heat beautifully between sessions.

Wood-Burning Package Includes:

HUUM FLOW MINI stove, protective bedding, floor protective plate, 105kg sauna stones, and complete chimney set. No electricity required for the heater – perfect for off-grid locations.

105kg
Stone Capacity
No
Electricity Needed
+£2,099
Add to Base
HUUM wood-burning heater inside Black Cube Comfort
HUUM electric sauna heater with stones

Choose Your Heater

Prefer the convenience of electric? We offer three excellent options to suit different budgets and preferences. All electric heaters include sauna stones and are designed for easy DIY installation.

  • Mondex Tahko M Black 9kW – +£649

    Reliable Finnish heater with 80kg stone capacity and convenient 16A power plug. A great value option that delivers authentic steam.

  • HUUM DROP 9kW – +£949

    Award-winning Estonian design with 60kg stone capacity. Includes side panel for a clean installation. Requires separate UKU control panel.

  • HUUM HIVE Mini 9kW – +£1,199

    Iconic pillar design with massive 140kg stone capacity for outstanding heat retention. Includes air tunnel for optimal airflow. Requires separate UKU control panel.

Customisation Options

Tailor your Black Cube Comfort with these optional upgrades. Select your preferences when ordering.

UKU Control Panels

Required for HUUM DROP and HUUM HIVE heaters. Not needed for Mondex or wood-burning.

UKU Local Control
Basic controller – must be placed outside the sauna
+£379
UKU Classic WiFi
WiFi enabled – must be placed outside the sauna
+£549
UKU Glass Panel WiFi
Premium glass panel with WiFi – can be placed inside the sauna
+£699
Safety Rails

Protective rails for your heater – recommended for families with children.

HUUM Drop Safety Rail
For HUUM DROP heater only
+£149
HUUM Hive Safety Rail
For HUUM HIVE heater only
+£209
LED Lighting

Create the perfect ambience with warm LED strip lighting.

LED Strips Above Back Rests
Subtle lighting behind the upper benches
+£299
LED Strips Above & Under Bench
Full lighting package for complete ambience
+£549
Glass Options

Enhance natural light with additional glazing.

Half Panoramic Back Window
Large window on the rear wall for views and light
+£749

Crafted for Excellence

Every Black Cube Comfort shares the same exceptional build quality and premium materials.

40mm Thermowood

Premium grade thermowood walls and roof provide exceptional insulation and durability. No additional insulation needed.

Full Glass Front

8mm black tempered safety glass door – floods the interior with natural light while maintaining privacy.

Alder Benches

Premium alder wood benches stay comfortable to touch even at high temperatures. Two-level face-to-face design for flexibility.

6-8 Person Capacity

Generous face-to-face bench layout with room for the whole family or a group of friends.

Free Bucket & Ladle

Includes Heracles Wellness branded black bucket and wooden ladle set – premium quality sauna essentials.

Estonian Craftsmanship

Made to order by Leil Saunas in Estonia – a country with deep sauna traditions and exceptional woodworking expertise.

Full Specifications

Sauna Cabin

Capacity 6-8 People
Outer Dimensions (W × D × H) 2.19m × 2.26m × 2.23m
Inner Dimensions (W × D × H) 2.08m × 1.98m × 2.04m
Sauna Volume 8.4 m³
Weight ~850 kg
Wall Thickness 40mm Thermowood
Bench Material Alder
Front & Doors 8mm Black Tempered Glass
Roof Black Shingle

Heater Options

Mondex Tahko M Black 9kW / 80kg stones
HUUM DROP 9kW / 60kg stones
HUUM HIVE Mini 9kW / 140kg stones
HUUM FLOW MINI Wood / 105kg stones
Electrical (Electric Heaters) Single or 3-Phase
Heat-Up Time ~30-45 minutes
HUUM Heater Warranty 5 Years

Made to Order, Delivered to Your Door

Each Black Cube Comfort is built to your specification in Estonia. Lead time is typically 3-4 weeks from order, followed by delivery to your UK address.

Free UK Mainland Delivery

Flat pack delivery included in the price. Arrives on a pallet via tail lift truck.

Fully Assembled Option

Prefer it ready-built? Add £1,300 for fully assembled delivery. You'll need a forklift or crane to unload.

Professional Installation Available

Our expert team can assemble your Comfort in one day. Prices from £1,500 + VAT depending on location.

3-4 Week Lead Time

Each sauna is made to order in Estonia. We'll keep you updated throughout the build process.

Black Cube Comfort sauna in garden setting
$3,653.93

Original: $12,179.77

-70%
Leil® Black Cube Comfort 6-8 Person Outdoor Sauna

$12,179.77

$3,653.93

Product Information

Shipping & Returns

Description

The Leil Black Cube Comfort is a customisable 6-8 person outdoor sauna featuring face-to-face bench seating, full glass front with double doors, and your choice of electric or wood-burning heater. Built from 40mm thermowood with 8mm black tempered glass. Estonian craftsmanship, made to order with 3-4 week lead time. From £8,999.

Black Cube Comfort interior showing face-to-face seating and HUUM heater

The Black Cube Comfort

The Comfort is our most spacious Black Cube, designed for those who want room to stretch out and share the experience with family and friends. With generous face-to-face benches seating 6-8 people, it's perfect for social gatherings or simply enjoying more personal space.

Unlike our kit models, the Comfort lets you customise your build – choose your preferred heater, control panel, lighting, and glass options. Each sauna is made to order in Estonia with a 3-4 week lead time.

6-8
Person Capacity
5.7m³
Interior Volume
3-4
Week Lead Time

HUUM FLOW MINI Wood-Burning

For the ultimate traditional sauna experience, the HUUM FLOW MINI brings the crackle of real fire and the ritual of tending the flames. There's something deeply satisfying about heating your sauna the old-fashioned way.

The FLOW MINI produces exceptional löyly – soft, enveloping steam that sauna purists love. The integrated air tunnel design ensures efficient combustion while the large stone capacity holds heat beautifully between sessions.

Wood-Burning Package Includes:

HUUM FLOW MINI stove, protective bedding, floor protective plate, 105kg sauna stones, and complete chimney set. No electricity required for the heater – perfect for off-grid locations.

105kg
Stone Capacity
No
Electricity Needed
+£2,099
Add to Base
HUUM wood-burning heater inside Black Cube Comfort
HUUM electric sauna heater with stones

Choose Your Heater

Prefer the convenience of electric? We offer three excellent options to suit different budgets and preferences. All electric heaters include sauna stones and are designed for easy DIY installation.

  • Mondex Tahko M Black 9kW – +£649

    Reliable Finnish heater with 80kg stone capacity and convenient 16A power plug. A great value option that delivers authentic steam.

  • HUUM DROP 9kW – +£949

    Award-winning Estonian design with 60kg stone capacity. Includes side panel for a clean installation. Requires separate UKU control panel.

  • HUUM HIVE Mini 9kW – +£1,199

    Iconic pillar design with massive 140kg stone capacity for outstanding heat retention. Includes air tunnel for optimal airflow. Requires separate UKU control panel.

Customisation Options

Tailor your Black Cube Comfort with these optional upgrades. Select your preferences when ordering.

UKU Control Panels

Required for HUUM DROP and HUUM HIVE heaters. Not needed for Mondex or wood-burning.

UKU Local Control
Basic controller – must be placed outside the sauna
+£379
UKU Classic WiFi
WiFi enabled – must be placed outside the sauna
+£549
UKU Glass Panel WiFi
Premium glass panel with WiFi – can be placed inside the sauna
+£699
Safety Rails

Protective rails for your heater – recommended for families with children.

HUUM Drop Safety Rail
For HUUM DROP heater only
+£149
HUUM Hive Safety Rail
For HUUM HIVE heater only
+£209
LED Lighting

Create the perfect ambience with warm LED strip lighting.

LED Strips Above Back Rests
Subtle lighting behind the upper benches
+£299
LED Strips Above & Under Bench
Full lighting package for complete ambience
+£549
Glass Options

Enhance natural light with additional glazing.

Half Panoramic Back Window
Large window on the rear wall for views and light
+£749

Crafted for Excellence

Every Black Cube Comfort shares the same exceptional build quality and premium materials.

40mm Thermowood

Premium grade thermowood walls and roof provide exceptional insulation and durability. No additional insulation needed.

Full Glass Front

8mm black tempered safety glass door – floods the interior with natural light while maintaining privacy.

Alder Benches

Premium alder wood benches stay comfortable to touch even at high temperatures. Two-level face-to-face design for flexibility.

6-8 Person Capacity

Generous face-to-face bench layout with room for the whole family or a group of friends.

Free Bucket & Ladle

Includes Heracles Wellness branded black bucket and wooden ladle set – premium quality sauna essentials.

Estonian Craftsmanship

Made to order by Leil Saunas in Estonia – a country with deep sauna traditions and exceptional woodworking expertise.

Full Specifications

Sauna Cabin

Capacity 6-8 People
Outer Dimensions (W × D × H) 2.19m × 2.26m × 2.23m
Inner Dimensions (W × D × H) 2.08m × 1.98m × 2.04m
Sauna Volume 8.4 m³
Weight ~850 kg
Wall Thickness 40mm Thermowood
Bench Material Alder
Front & Doors 8mm Black Tempered Glass
Roof Black Shingle

Heater Options

Mondex Tahko M Black 9kW / 80kg stones
HUUM DROP 9kW / 60kg stones
HUUM HIVE Mini 9kW / 140kg stones
HUUM FLOW MINI Wood / 105kg stones
Electrical (Electric Heaters) Single or 3-Phase
Heat-Up Time ~30-45 minutes
HUUM Heater Warranty 5 Years

Made to Order, Delivered to Your Door

Each Black Cube Comfort is built to your specification in Estonia. Lead time is typically 3-4 weeks from order, followed by delivery to your UK address.

Free UK Mainland Delivery

Flat pack delivery included in the price. Arrives on a pallet via tail lift truck.

Fully Assembled Option

Prefer it ready-built? Add £1,300 for fully assembled delivery. You'll need a forklift or crane to unload.

Professional Installation Available

Our expert team can assemble your Comfort in one day. Prices from £1,500 + VAT depending on location.

3-4 Week Lead Time

Each sauna is made to order in Estonia. We'll keep you updated throughout the build process.

Black Cube Comfort sauna in garden setting