
Maker states: "Proudly and locally manufactured on the shores of Lake Superior" (Ashland, Wisconsin)
- Space78 x 67.25 x 95.375 in with roof (72 x 64.25 x 87.25 in without)
- BaseLevel and solid: concrete, pavers or a framed deck checked for the load
- Delivery: 6 to 10 weeks production when pre-ordered (maker) · Flat-packed, flat-rate nationwide freight (maker)
- Seats
- Up to 4-6 people
- Layout
- L-shaped benches with Cariitti 6+1 fiber optic lighting
- Exterior size
- 78 x 67.25 x 95.375 in with roof (72 x 64.25 x 87.25 in without)
Will it work at your place?
The questions that decide whether this goes smoothly: power, base, space, delivery and permits. Answered here, before you order.
Read: Sauna heater breaker wire size- Foundation or base
- Assembly labor, unless the maker offers it
What happens after you order.
- STEP 1PlanWe confirm power, base and access with you before you order.
- STEP 2OrderYou order directly from Superior Saunas on their site, and pay them.
- STEP 3Ships6 to 10 weeks production when pre-ordered (maker). Superior Saunas ships to your address in the contiguous US.
- STEP 4AssembleSet it on the prepared base, following the maker's manual.
- STEP 5Fire it upCheck local burn rules and clearances, then enjoy the first evening.
Specifications
| Seats | 4 to 6 people |
|---|---|
| Layout | L-shaped benches with Cariitti 6+1 fiber optic lighting |
| Exterior size | 78 x 67.25 x 95.375 in with roof (72 x 64.25 x 87.25 in without) |
| Interior volume | About 200 cubic feet |
| Heater offered | IKI 6 kW (selected on the maker site); licensed electrician required |
| Insulation | 100% natural sheep's wool; maker cites 4x the R-value of standard panel or stave saunas |
| Wood | Thermo-treated, rated 25-year rot resistant (maker) |
| Door and glass | Thermory clear glass door, black hardware, insulated glass panels |
| Roof | Pitched roof kit for outdoor installs; indoor installs can skip it |
| Shipping | Flat-packed, flat-rate nationwide freight (maker) |
| Floor | Integrated three-panel thermal pine floor included (maker) |
| Shipping weight | Two crates, about 1,234 lb and 452 lb |
| Lead time | 6 to 10 weeks production when pre-ordered (maker) |
From Superior Saunas's published product page. Confirm against the current spec sheet before you build a pad or pull wire. Maker's product page
About this sauna
The Thermory Mod4 Modern Modular Sauna is a modular, flat-packed sauna that Superior Saunas builds in Ashland, Wisconsin, with a thermo-alder interior, brushed black exterior and sheep's wool insulation. It lists at $10,500 at the maker; heater and roof kit are chosen on the product page.
It seats 4 to 6 on l-shaped benches with cariitti 6+1 fiber optic lighting and works outdoors with the pitched roof kit or indoors without it. The maker pairs it with an IKI 6 kW heater, which needs a licensed electrician.
- Seats 4 to 6
- About 200 cu ft, IKI 6 kW heater offered
- Sheep's wool insulated
- Built on Lake Superior (maker)
Warranty and shipping
Questions people ask before buying
Can it go indoors?
Yes. The maker says it is designed for outdoor use with the pitched roof kit and can be installed indoors with or without the roof.
Is the heater included?
The heater is selected from a dropdown on the maker's page. The listed price is the starting price; confirm the total with your heater and roof choices on the maker site.
Can I order it through Brevley & Sons?
Not directly yet. Use the maker link for current pricing and lead time, or ask us about sizing, power and placement.
Who do I order from, and who handles warranty?
You order directly from Superior Saunas, and warranty claims go to Superior Saunas. We help you plan before you order and are here if questions come up after.
Compare with similar saunas
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Product names and trademarks belong to Superior Saunas. Specifications and prices are summarized from the maker's public site.

