Celsium Ula Micro garden sauna - Compact & suitable for balconies
incl. VAT
🚚 Free shipping to the EU mainland & Switzerland for orders over €300
Stylish wellness for garden, terrace and balcony
The Ula Micro sauna from Celsium is an elegant Outdoor sauna for two Persons - perfect for urban gardens, spacious balconies or limited outdoor areas on roof terraces. Its clear, organic capsule shape blends harmoniously into modern architecture and natural spaces. With high-quality materials, a well thought-out interior and a minimal footprint, it offers true wellness - space-saving and uncompromisingly stylish.
Product character - Ula Micro as a modern Outdoor sauna
With a size of just 1.35 × 1.25 m and a height of 2.30 m, the Ula Micro also fits into demanding environments with limited space. It is designed for two Persons and offers an intense sauna experience both in the private garden and on the balcony or roof terrace. Ideal for anyone looking for a compact but fully-fledged Outdoor sauna sauna.


Design & materials - Perfectly shaped in wood and color
There is a choice of three high-quality wood types for the exterior cladding:
- Spruce (Spruce) - classic light and Nordic
- Shou Sugi Ban - Flamed spruce with a deep black texture
- Thermo pine - heat-treated for special stability and warm coloring
You can also choose between five stylish color options (beige, brown, grey, natural white and black) - to match modern architecture or natural surroundings. The front wall is optionally available as full glass or with a stylish wooden door with glass insert. For the roof, you can choose between a robust bitumen shingle cover or a weatherproof Tarpaulin cover.
Function & structure - compact, well thought-out, ready for use
The Ula Micro is supplied either pre-assembled or as a flat pack - both designed to be easy to assemble. It is prepared for the integration of various sauna heaters (heater and chimney not included in the basic scope of delivery). The clearly structured design makes it easy to place on the patio, balcony or in the garden - even where space is limited.
Application & comfort - Yours Outdoor sauna for every day
Inside, carefully crafted benches made of lime wood, black alder or thermo pine provide natural warmth and a high level of seating comfort. The compact footprint of just 1.68 m² makes the Ula Micro the ideal choice for design lovers who want private wellness in the smallest of spaces - flexible placement, usable all year round.
Discover now
Transform your balcony, roof terrace or garden into your own personal oasis of calm - with the Ula Micro Outdoor sauna from Celsium. Minimalist in format, uncompromising in style and quality.
🔶 Scope of delivery
Everything at a glance - that's included!
- Exterior cladding & color finish of your choice
- Interior benches in desired wood type
- Front wall with glass element or wooden door
- Roof covering (bitumen or tarpaulin)
- Power connection module (230 V)
- Assembly and care instructions
Individual sauna solutions for the highest demands
Are you planning something special and looking for a solution that exactly matches your ideas?
Whether custom-made sizes, individual material requests, special color concepts or technical adaptations - almost anything is possible.
Thanks to flexible production, even demanding special requests can be professionally realized - with the aim of creating a wellness experience that fits seamlessly into your living space.
Do you have a special idea?
- Contact us directly - we will advise you personally and develop your dream sauna together.
Specifications
| Sauna capacity | 1-2 (1 seated, 2 standing) |
| Dimensions | 1.35m x 2.30m x 1.25 m |
| Base area | approx. 1.68 m² |
| Weight | approx. 250 kg |
| Exterior cladding | Spruce, Shou Sugi Ban, Thermo Pine |
| Color variants | Beige, brown, gray, natural white, black |
| Front panel | Solid glass or wooden door with glass insert |
| Roof | Black bitumen shingles or Tarpaulin covering |
| Benches | Lime wood, black alder or thermo pine |
| Heating | Not included |
| Mounting options | Pre-assembled or flat pack, ready to plug in |
| Plank thickness | 44mm |
Instructions: How to find the right Sauna heater for your Celsium garden sauna
The right one Sauna heater heater is crucial for the overall sauna experience - it influences the heat quality, heating time and energy efficiency. So that you can exploit the full potential of your Celsium garden sauna, you will find a compact and well-founded guide to choosing the right heater here.
1. calculate the room volume correctly
First determine the internal volume of your sauna:
Width × depth × height = m³ (cubic meters)
Example for the Ula Micro: 1.35 m × 1.25 m × 2.30 m = approx. 3,9 m³
Important:
If your sauna has glass elements, thin outer walls or a free-standing location in the garden, you should also add approx. 1.5 m³ per square meter of uninsulated area should be added. This so-called insulation reserve compensates for heat loss.
2. choose the right heat output
The following applies as a guideline:
1 kW heat output per 1 m³ room volume
- For 4 m³ → ideally a stove with 4 kW
- For intermediate values, round up rather than down - so that your stove works reliably even at low outside temperatures
3. note the power connection
Depending on the model and output, there are two variants:
- 230 V connection (earthed plug) for compact sauna heaters
- 400 V three-phase current (heavy current) for more powerful models
Note: The connection must always be carried out by a qualified electrician.
5. control & comfort functions
Modern control systems not only offer temperature control, but also timer functions, app control and safety:
- Manual: classic rotary control module
- Digital: external control unit with precise temperature control
- SmartApp control via WLAN or 4G (e.g. HUUM UKU Wi-Fi)
