BOTNIA 81 – Now Upgraded
The upgrade introduces new stone cage options:
FinSteam ORBIS R11 -> BOTNIA 81 R11
FinSteam ORBIS R14 -> BOTNIA 81 R14
Both bring a more modern, premium finish to the BOTNIA81.
BOTNIA 81 – Now Upgraded
The upgrade introduces new stone cage options:
FinSteam ORBIS R11 -> BOTNIA 81 R11
FinSteam ORBIS R14 -> BOTNIA 81 R14
Both bring a more modern, premium finish to the BOTNIA 81.
Upgrade Your Existing Heater
Our original gas sauna heater is now BOTNIA 81 O
Our original gas sauna heater is now
BOTNIA 81 O
You can also enhance your heater with:
Already have a BOTNIA81?
These new stone cages are fully compatible with earlier models, so you can upgrade without replacing your gas heater.
FinSteam NJORD Heat Shield
– for safer, more flexible installation
FinSteam HALO Safety Rail
– for added protection and a clean final touch
You can also enhance your heater with:
FinSteam NJORD Heat Shield
– for safer, more flexible installation
FinSteam HALO Safety Rail
– for added protection and a clean final touch
Upgrade Your Existing Heater
Already have a BOTNIA81?
These new stone cages are fully compatible with earlier models, so you can upgrade without replacing your gas heater.
BOTNIA 81 R14S
BOTNIA 81 O
Buy Now Buy NowBOTNIA 81 R 14
FINSTEAM BOTNIA 81
MODELS
This version is ideal for markets and applications where 37 mbar propane systems are standard, offering seamless compatibility while maintaining the performance, portability, and ease of use FinSteam heaters are known for.
Built for ease of use and compatibility, the I3B/P version supports standard gas systems commonly used across Europe, providing flexibility without compromising performance.
BOTNIA 81 is the heater that sparked FinSteam’s new era. As the foundation of our next-generation heaters, it has now been refined with new stone cage options, delivering improved performance, better heat distribution, and a more versatile design without losing what made it iconic.
Designed for movement, BOTNIA 81 is lightweight yet powerful, making it the perfect companion for tent saunas, portable setups, and life on the road. It has become a trusted choice among caravanners and sauna enthusiasts who want the freedom to enjoy a real Finnish sauna wherever they go.
With no need for electricity, chimney, or permanent installation, BOTNIA 81 brings authentic sauna heat into environments where traditional heaters simply cannot go. Whether you’re setting up by a lake, in the mountains, or next to your camper, it delivers a consistent, reliable sauna experience every time.
The Original Gas Heater
BOTNIA 81 is the heater that sparked FinSteam’s new era. As the foundation of our next-generation heaters, it has now been refined with new stone cage options, delivering improved performance, better heat distribution, and a more versatile design without losing what made it iconic.
Designed for movement, BOTNIA 81 is lightweight yet powerful, making it the perfect companion for tent saunas, portable setups, and life on the road. It has become a trusted choice among caravanners and sauna enthusiasts who want the freedom to enjoy a real Finnish sauna wherever they go.
Size & Weight
61 cm × 51 cm × 30 cm.
10,4kg (without stones and safety package)
Stone capacity
O: 12-15kg / R11: 20-25kg / R14: +25kg
FinSteam BOTNIA is proof that a powerful sauna experience doesn’t need a bulky heater. Its compact design makes it the perfect choice for those who value mobility without compromising on performance.
Whether you’re a caravan traveler, van-life enthusiast, or simply someone who wants a sauna that moves with you, BOTNIA fits where traditional heaters don’t. Paired with FinSteam FRITID sauna tents, it’s the perfect match for those who want to bring their sauna wherever life happens.
Compact Size
Size & Weight
61 cm × 51 cm × 30 cm.
10,4kg (without stones and safety package)
Stone capacity
O: 12-15kg / R11: 20-25kg / R14: +25kg
FinSteam BOTNIA is proof that a powerful sauna experience doesn’t need a bulky heater. Its compact design makes it the perfect choice for those who value mobility without compromising on performance.
Power 8,1 kW
Suitable for sauna tents and non-insulated saunas up to 8 m³, and for insulated saunas up to 12 m³.
Consumption
0.6 kg/h at full heating power
Heat-Up Time
15–25 minutes, depending on conditions and sauna structure
Safety feature
ODS (Oxygen Depletion System)
Durable
Built from high-quality stainless steel with anti-corrosion protection, ensuring long-lasting performance and reliability even in demanding sauna environments.
Technical Specifications
Power 8,1 kW
Suitable for saunas up to 4 - 12 m³.
Consumption
0.6 kg/h at full heating power
Heat-Up Time
15–25 minutes
Safety feature
ODS (Oxygen Depletion System)
Durable
Built from high-quality stainless steel with anti-corrosion protection.
Myynti Suomi
FI-68600 Pietarsaari, Finland
ES-29120 Alhaurin el Grande, Spain
SE-44242 Kungälv, Sweden
SE-98138 Kiruna, Sweden
