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Modern garden shed with glass doors in a natural setting
Modern black cabin in a forest setting with wooden deck and greenery.
Portable cabin with black exterior and glass doors in a grassy outdoor setting.
Wooden sauna with glass doors and a view of greenery outside
Warmly lit wooden sauna interior with horizontal slatted benches and walls. The ambient glow creates a calm, relaxing atmosphere.
An outdoor Saunum AirCube Terrace sauna with black cladding and clear glass doors, set in a natural outdoor setting with greenery around.
A modern, minimalist black wooden sauna structure with vertical slats and warm interior lighting, showcasing a sleek, inviting entrance with light wood accents.
Modern wood-paneled sauna with glass doors and warm interior lighting. Dark exterior contrasts with the cozy, inviting atmosphere inside.

Saunum AirCube Terrace

Sale price$72,990.00

From $40/week with approved financing View financing options


The AirCube Terrace sauna blends refined modern design with a charming outdoor terrace to create a luxurious backyard retreat. Crafted from premium materials and designed with meticulous attention to detail, it offers durability, comfort, and style. Enhanced with Saunum heater compatibility featuring patented air-mixing technology, it delivers soft, evenly distributed steam and a refreshing, breathable sauna experience in an elegant outdoor setting.

Images may show digital renders or optional finishes. Natural timber variation will occur. Standard supply is natural timber.

Each sauna is custom configured to suit your space, finishes, and heater system. These selections are examples — final specifications and detailed pricing are tailored during your expert consultation.
Modern garden shed with glass doors in a natural setting
Saunum AirCube Terrace Sale price$72,990.00
Woodworking workshop with a large workbench and cabinets.
Cross-section diagram of building materials with labels on a beige background

High-Performance Insulation

Multi-Layer Wall Construction

The AirCube Terrace features a multi-layer wall system combining mineral wool insulation, vapour barriers, and windbreak membranes. This engineered construction improves heat retention while protecting the structure from moisture and drafts, helping maintain stable and efficient sauna temperatures.
Wooden sauna with glass doors and interior details
Small wooden cabin with a glass door and black exterior, surrounded by greenery.

Thermal Glazing

Double-Glazed Windows

Double-glazed tempered glass enhances thermal performance while allowing natural light to enter the sauna interior. The insulated glazing supports consistent temperatures while maintaining the bright architectural character of the space.
Wooden sauna interior with bench and wall paneling
Metallic vent on a textured wall

Balanced Airflow

Mechanical Ventilation System

A controlled mechanical ventilation system maintains a steady supply of fresh air inside the sauna. This airflow improves oxygen levels, supports air quality, and ensures a comfortable environment during longer sauna sessions.
Close-up of a modern wooden door with metal handle and glass panel.
Wooden electrical panel box with a warning label on a black paneled wall.

Integrated Controls

Built-In Electrical Switchboard

The switchboard and heater controls are integrated directly into the sauna wall structure. This keeps electrical components organised and protected while maintaining the clean architectural appearance of the interior.
Modern garden office with glass doors and steps leading up to it, surrounded by greenery.
Crane lifting a large object in a rural setting with houses and trees in the background.

Turnkey Installation

Fully Assembled Structure

Delivered fully assembled, the sauna arrives ready for installation with minimal setup required. The durable painted thermopine exterior protects the structure from outdoor exposure, while the lockable door ensures security when the sauna is unattended.
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Specifications

Harmone team wearing themed hats sitting together outdoors.

Not Sure Which Sauna Is Right?

Get expert guidance before you commit.

Speak directly with our team to confirm the right model for your space, usage, and installation requirements.

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How financing works with Braid Finance

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