Harvia
Welcome to the BW custom sauna shop, where you can order everything you need to start your sauna relaxation journey!
A lasting
tranquility
Handmade
for you
Anyplace
you go
To improve
physical wellness
Promoting
satisfaction
Choose your base model
6.5 x 14 ft Portable Sauna (47k+)
Gooseberry
The robustness of a full-sized sauna, with the agility for finding that special place. Our 14 ft custom mobile sauna is our flagship.
6.5 x 12 ft Portable Sauna (43k+)
The Superior
A balanced portable sauna for those who want the full experience. Comes with a cool-down changing room and the best in handcrafted. custom-quality.
6.5 x 10 FT Mobile Sauna ($39k+)
The Ontario
The robustness of a full sized sauna, with the agility for finding that special place. Our 10 ft custom portable sauna is ready to be your oasis.
6.5 x 8 ft Mobile Sauna ($37k+)
The Huron
The nimble and agile Huron is here as the entry-level outdoor mobile sauna. At 8 ft, it will fit nicely in your garage or tucked away in your backyard.
8 x 12ft Home Sauna (40k+)
Grand
The big boy, the Grand takes after grand island and is centered around the whole family. Allowing everyone to take in the view.
8 x 10ft Backyard Sauna (34k+)
Stannard
Our flagship stationary custom sauna built for all around use. Handcrafted and at the perfect size for groups or solo sauna enthusiasts.
8 x 8ft Home Sauna (29k+)
Windigo
The Windigo is the flagship medium sauna. Boasting an 8×8 footprint and offering several layout variations, this sauna is the perfect fully custom home sauna.
6 x 8ft Home Sauna (22k+)
York
Fitting up to 3 people. The York model is designed to excel at cabin environments, all while maintaining an economical footprint.
WE MAKE SAUNAS FOR WHERE YOU ARE
We are here for you. Let’s chat over a coffee if you’re in the Duluth area. If not, we are always available by phone to explore together what an outdoor sauna could look like for your life.
It depends on what you are searching for! If you want to rest, 15 to 30 minutes is plenty of time. If you want to cleanse and enhance your skin, 15 to 20 minutes is perfect. If you’re an athlete, resting for 15 to 20 minutes after exercise can help minimize muscular pain and improve circulation.
Factors like weight, age, and exposure duration affect calorie burn in a sauna, with a 30-minute session potentially burning 100-300 calories. Harvard Health found that infrared saunas can burn up to 1.5 calories per minute, while the American Council on Exercise estimates 50-150 calories in a hot session.
- Listen to Your Body: If you feel uncomfortable, exit the sauna! It is better to prevent than to cure.
- Stay Hydrated: Drink water before, during, and after your sauna session to replace lost fluids.
- Session Duration: Two to three sessions per week, each lasting 15 to 20 minutes, is a decent start.
- Sauna Etiquette: Shower before entering, dress lightly or with a towel for comfort, and keep talking to a minimal for a peaceful atmosphere.
The short answer is yes—with some restrictions. Saunas generally promote weight reduction by sweating, which allows the body to shed water weight momentarily. During a typical 30-minute sauna session, you can lose roughly 0.1 to 0.6 kg (0,22 to 1,32 pounds). However, this is primarily water weight, which will return as you rehydrate.
Sauna bathing offers numerous health benefits, including weight control, hormonal balance, cardiovascular health benefits, musculoskeletal pain relief, muscle pain reduction, respiratory system benefits, and relaxation. It promotes a deep state of relaxation, reduces stress, and improves overall well-being.
Sauna baths are safe for most healthy individuals, but precautions are needed for those with specific conditions like acute infections, heart problems, or fever. Heat exposure can affect certain drugs’ pharmacokinetics, so high blood pressure medicines should be taken before use. Also, saunas are safe for children to use under adult supervision.
Our Story
A legacy of craftsmanship & excellence.
In an industry where anyone and everyone seems to be building saunas to make a quick buck, we’ve stepped aside to invest solely in building the best-quality saunas money can buy.

Passion
We’re second-generation craftsmen with a genuine passion for sauna.

Creativity
We consider every detail, blending engineering with artistry.

Intentionality
Purposeful design means every choice has a purpose and function.

Grounded
It's not about looks and status. We build saunas meant to serve you.
Meticulous attention to detail. Our team is focused, humble and hardworking.
Founder lead. Jayson stands behind his work. Or in front it in this case.
Nationwide reach. We’ve delivered to all corners of the country.
Personal passion. Our builds come from our own personal experience with sauna.
Download Your BW 2026 Catalog
When you start exploring what a custom sauna could look like, you might already have that exact idea in mind: that perfect finish with a wide panorama window. Or something more true to its history, humbly nestled in the lakeside corner. Either way, we hope this catalog offers inspiration for your journey