Harvia Onni Sienna One infrared sauna
- For 1 person
- Full-spectrum infrared
- Intuitive touch screen
- Tailored to your needs
- Support with planning and installation
- A smooth process from idea to sauna
Product description
A compact infrared cabin for one with immediate, balanced warmth. Full-spectrum heating behind the back works together with carbon panels to distribute infrared heat evenly across the body. Mahogany surfaces and the open glass front create a calm and inviting space for daily relaxation.
Key facts - Infrared sauna
Full-spectrum infrared warmth
Delivers a balanced mix of short and long infrared waves for deep yet comfortable heat.
Certified full-spectrum technology
Tested and certified by the Seibersdorf Radiation Lab for safe and reliable infrared performance.
Built for long term use
Replaceable infrared lamps and high-quality components ensure durability and easy maintenance.
From the world's leading sauna brand
Backed by over 75 years of experience, Harvia delivers trusted quality and innovation in heat and wellness.
About
Onni Sienna One offers flexible infrared comfort that is ready when you are. The heating elements deliver warmth almost immediately. A full-spectrum radiator behind the back works together with carbon panels at the sides, under the calves and under the feet. This layered configuration ensures balanced, even infrared warmth across the body. The mahogany exterior features a warm, natural tone that gives the cabin a grounded and inviting appearance. Inside, the combination of mahogany and hemlock creates a balanced atmosphere with a smooth, comfortable surface. The open glass front maintains a clear and calm design. The large touch screen allows intuitive control of temperature and lighting. Chromotherapy lighting and integrated Bluetooth audio add flexibility to each session. The cabin is delivered in structured elements with integrated technology, allowing installation within a few hours and dependable everyday performance. Onni Sienna One is your personal infrared retreat — natural in character, balanced in performance, and designed for long-term daily comfort.
Specifications
- SKU
- SGN1010MT
- Floor area
- 1 m²
- Calculatory sauna volume
- 1.62 m³
- Exterior surface material
- Mahogany
- Interior surface material
- Mahogany
- Bench material
- Hemlock
- Door type
- 8 mm single pane safety glass, clear
- Door knob type
- Vertical handle wooden
- Window type
- 8 mm single pane safety glass, clear
- Infrared temperature range
- 20–70 °C
- Infrared voltage
- 230 V
- Infrared radiator type
- Carbon, Full-spectrum
- GTIN
- 6417659046657
Size & Weight
Product
- Height
- 2000 mm
- Width
- 1073 mm
- Depth
- 998 mm
Package
- Height
- 650 mm
- Width
- 1120 mm
- Depth
- 2200 mm
- Gross weight
- 222 kg
Files
Everything included for the full sauna experience
Exterior
- Mahogany wall boards with external clear lacquer 8 mm tempered clear glass front
Interior
- Mahogany and hemlock (backrest, heater frame, and bench) Horizontal slats 7" touch display LED color lighting Bluetooth music system with speakers
Heating Equipment
- 1 × full-spectrum infrared heaters, back (350 W) with individual dimmers 2 × Carbon infrared heater, sides (380 W) 1 × Carbon infrared heater under bench (200 W) 1 × Carbon infrared heater floor (200 W)
Accessories
- Instructions for installation and use
Our materials
Find answers to the most common questions
Infrared benefits
Deep heat for total wellbeing.
Infrared warmth reaches deep beneath the skin to gently ease tension in muscles and joints. It helps reduce stiffness, soothe soreness, and support recovery after exercise or long days. Regular sessions help maintain flexibility and support long-term joint and muscle health.
Explore the range
All products
Outdoor saunas
