The Anatomy of a World-Class Custom home sauna
Table of Contents
There's a big difference between adding a sauna to your home and designing a wellness experience from the ground up. That's something we learned firsthand while building Mysa Hus.
Like every custom home we build, Mysa Hus became an opportunity to challenge conventional thinking. Instead of asking, "How do we fit a sauna into this house?" we asked “How do we design a home that actively helps people live healthier, more intentional lives?” The answer was a carefully orchestrated collaboration between architecture, building science, craftsmanship, and some of the best partners in the wellness industry.
Why a Sauna Was Never an Afterthought
Mysa Hus is inspired by the Swedish philosophy of mysa: creating spaces that encourage people to slow down, reconnect, and prioritize well-being. For me, sauna culture has become part of everyday life.
During COVID, I built a sauna in my own backyard, and I still use it several nights a week after the kids go to bed. It's where I decompress, think, and reset before the next day begins. So when we started developing Mysa Hus as a true healthy home, incorporating a high-performance sauna was part of the home's philosophy.
Interestingly, the final design came together late in the process. My architectural designer, Karl, challenged us to rethink the entire wellness space. Instead of attaching a fitness room to the house or building a traditional pool cabana, we created a completely detached wellness studio overlooking the pool.
That allowed us to create an intentional wellness circuit where movement flows naturally from the workout area to the sauna, into the cold plunge, and out to the pool. That's the difference between installing a feature and designing an experience.
Why We Chose Arbor Wood Co.
One lesson custom building teaches you is that materials matter far more than most people realize, especially inside a sauna. Heat, humidity, and constant temperature swings will expose shortcuts in materials faster than almost anywhere else in a home. That's why we partnered with Arbor Wood Co. for the sauna's cladding and timber.
Rather than relying on chemically treated lumber, Arbor Wood uses a thermal modification process that transforms sustainably harvested domestic wood using only heat and steam. The wood becomes dramatically more dimensionally stable while resisting moisture, rot, mold, and decay which is exactly what you want inside a high-performance wellness environment.
But performance was only part of the equation. The warm texture and natural character of the wood reinforces the calm, organic atmosphere we wanted throughout Mysa Hus. Every surface invites you to slow down, breathe deeply, and disconnect from the outside world. That's what thoughtful material selection should accomplish.
Why Symmetry Saunas Was the Right Partner
Many builders approach home saunas the same way they approach installing an appliance. Order a kit. Find someone to assemble it. Hope it looks good. That's never been our philosophy.
We partnered with Symmetry Saunas because they think like designers and engineers, not simply manufacturers. Every aspect of the sauna is intentional, from the bench geometry and proportions to circulation, comfort, and thermal performance. Instead of forcing a prefabricated box into an architectural space, Symmetry helped us create a sauna that feels like it was always meant to be there.
Why the Heater Changes Everything
Most Americans have never experienced an authentic Finnish sauna. They assume every sauna produces the same dry, aggressive heat generated by a small metal box with a handful of rocks sitting on top, but that's not what we wanted.
The heart of our sauna is an IKI Premium Sauna Heater, handcrafted in Finland and engineered around one principle: maximizing the thermal mass of the stones. Unlike traditional heaters, IKI's signature stainless steel mesh design surrounds hundreds of pounds of exposed stones. Water can be poured across the entire surface, producing the soft, humid steam known in Finland as löyly.
The experience is completely different. Instead of sharp bursts of dry heat, the room fills with gentle, enveloping warmth that reaches every level of the sauna. The temperature feels more balanced, the steam feels richer, and the overall experience becomes far more comfortable and restorative. It's one of those details homeowners may never think to ask about, but once you've experienced it, it's difficult to imagine going back.
The Details Most Homeowners Never See
The beautiful finishes are only half the story. Building a high-performance sauna requires an enormous amount of coordination behind the walls. Electrical planning has to happen early. Dedicated power, breaker capacity, GFCI protection, ventilation, framing, vapor management, drainage, and structural support all need to be engineered long before finishes are installed.
Then there's the human experience. One of my favorite design principles is that if you have to move something in order to use something else, the design has already failed. Every clearance around the heater, every bench height, every pathway through the room was intentionally planned so the space feels effortless instead of awkward.
Want to see more? Check out our home gym.
Building Homes That Help People Live Better
Mysa Hus represents where we believe luxury home building is headed. Yes, beautiful finishes will always matter. Craftsmanship will always matter. But increasingly, our clients want homes that actively improve the way they live.
That's why collaborating with partners like Arbor Wood Co., Symmetry Saunas, and IKI Premium Sauna Heaters was so important on this project. Each company brought expertise in its craft, and together, we created a place where homeowners can slow down, recover, reconnect, and build healthier daily routines.
To me, that's what custom home building should be about.
