Why Custom-Cut?
Every space is unique—and your sauna should be, too.
With a custom-cut sauna from Thermasol, you’ll get:
Designed to your exact dimensions and architectural requirements—no space is too small or too complex.
Choose from beautiful woods like Western Red Cedar and Thermally Modified Hemlock, paired with your choice of premium heaters and finishes.
Our custom saunas are designed to complement any interior—from sleek modern to timeless traditional.
Paired with our world-renowned sauna technology, Thermasol saunas offer best-in-class durability, heating precision, and ease of use.
Our Process
Consultation & Design
We start by understanding your space, style, and goals. Our design team will work with you (or your contractor/architect) to create a detailed plan.
Precision Crafting
Once approved, your sauna is handcrafted using the highest quality materials and components—all engineered for performance and longevity.
Easy Installation
We ship everything needed for simple, on-site installation by your contractor or one of our trusted professionals.
Popular Applications
Make It Yours
Thermasol custom saunas are available with a wide range of options:
All you need to know about Custom-Cut Sauna
What is included with a custom-cut sauna?
What is included with a custom-cut sauna?
Each sauna kit includes premium lumber, benches, full-spectrum lighting, a sauna bucket and ladle, thermometer and hygrometer, trim, vapor barrier, pre-hung door, vent cover, heater, stones, and Wi-Fi control. It’s a complete package designed for a seamless installation. Please refer to the manual for tools or site prep not included.
How much does a custom-cut sauna cost?
How much does a custom-cut sauna cost?
Pricing depends on size, heater, wood selection, and layout. Each project is quoted individually to reflect your exact specifications. Installation is not included.
Can I install a custom-cut sauna outdoors?
Can I install a custom-cut sauna outdoors?
Yes—outdoor installation is possible if the sauna is placed in a fully enclosed and insulated structure. A pool house or sheltered outbuilding is ideal. It must be protected from direct weather exposure.
What wood options are available?
What wood options are available?
We offer Rustic Red Cedar, Clear Prime Cedar, Hem-Fir, and Thermally Modified Hemlock. All options are 1-1/4" thick for strength and heat retention. Pricing for each is included in your quote.
Does the sauna come with flooring?
Does the sauna come with flooring?
No, flooring is not included. Use a durable, waterproof surface such as tile or stone. Wood flooring is not recommended due to moisture and cleaning concerns.
Do I need a drain in my sauna?
Do I need a drain in my sauna?
A drain is not required but can be added for water runoff when using steam or rinsing. If included, a slight floor slope is recommended. Many clients opt for this during planning.
What if I need help with my bench and heater layout?
What if I need help with my bench and heater layout?
Our team will review your layout and provide expert guidance based on heat distribution and space. We help ensure both comfort and performance. No need to guess—we’ve got you covered.
Can I add a Himalayan salt wall?
Can I add a Himalayan salt wall?
Yes, Himalayan salt adds ambiance and may support respiratory wellness. It’s typically installed as a glowing accent wall and must be mounted securely. We recommend ordering extra tiles to account for cuts and breakage.
What is the ideal sauna temperature and how long does it take to heat up?
What is the ideal sauna temperature and how long does it take to heat up?
The typical range is 150°F–194°F, with most users preferring 170°F–185°F. Saunas usually heat up in 30–45 minutes, depending on room size and heater output. With the Harvia app, you can preheat up to 12 hours in advance.
What is the ideal ceiling height for a sauna?
What is the ideal ceiling height for a sauna?
A 7-foot ceiling is ideal for efficient heating. Higher ceilings may require a larger heater or extra benching for proper heat exposure. Top benches should be installed 36" from the floor.
Inspiration and Resources
Explore, Connect, Create.
Build Wish List
Save a list of your favorite steam systems, sauna styles, and accessories—then easily share your curated selections with a designer, builder, or showroom partner.
Find A Pro
Connect with the right partners—whether designers or authorized showrooms—to bring your vision to life. Our trusted network is here to support you every step of the way.
Meet A Wellness Concierge
Book a one-on-one consultation and receive personalized guidance on steam, sauna, and wellness benefits.
