Specs

Made in	Estonia Across the Gulf of Finland, Estonia has a vibrant and growing sauna industry. They're known for innovative design, modern manufacturing, and premium sauna products at an affordable price.
Wi-Fi Option	Yes
Shipping Method	LTL Curbside Delivery w/ Lift Gate Service Our shipping partners will deliver your sauna curbside. They are not responsible for moving it into the garage or final location but you might get lucky. Please contact Sauna Marketplace to plan for a smooth delivery and installation.
People	3 , 5
Exterior Materials	Thermally Modified Spruce Thermal Modification of wood is a natural process using heat and steam in a vacuum to alter wood at a cellular level. When done right, it makes the wood significantly more durable, stable, and longer lasting. Thermo-Spruce is darker than raw spruce wood, closer in color and performance to Western Red Cedar.
Model	Medium Square
Choose Model	No 42 With Window , No 43 Without Window

Attachments

Installation Guide

Video Attachments

Planning Session

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Gallery

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Best Price Guaranteed

At Sauna Marketplace, we always offer the best service, support, and expertise. But that doesn't mean you should pay more! Place your order knowing that if you find a better deal published from another authorized dealer, we'll refund the difference. Valid until your order leaves the warehouse.

Thermory  Medium Squares With Terrace and L-Bench — Models No 42 With Window & No 43

Extend your entertainment area with the ultimate relaxation destination. Thermory 40 Series “Medium” squares can bathe two to four people in heat and steam. Customize yours with an extra-wide window. Plus, all Thermory models come with a rain jacket for all-weather protection.

Build Your Quote:

Model	50 Series 60 Series Medium Square Mini Square Square

$8,008.00 – $8,619.00

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Select Heater

Heaters Include Rocks

9KW HUUM DROP with WiFi Enabled UKU Controller +$2,953.00

8KW Harvia KIP With Built In Controls +$1,015.00

8KW Harvia KIP With Wi-Fi Enabled Xenio Controller +$1,717.00

Invoice Me and Discuss More Heater Options First

Fulfillment Partner:

ThermoryUSA

Zero Interest Payments:

Pay with HSA/FSA:

Thermory Square Series — Models No 42 & No 43

4‑Person Outdoor Sauna • Thermally‑Modified Nordic Spruce • Built‑In Porch

Upgrade your backyard with a European‑built, cube‑shaped sauna that combines modern glass styling with the legendary durability of thermally modified Nordic spruce.

Choose Your View

Model	Rear Wall	Atmosphere	Best For
No 42	Panoramic window (6.3 ft × 3.2 ft)	Bright & scenic	Lake views, gardens, rentals
No 43	Solid spruce	Private & ultra‑insulated	Urban lots, harsh winters, cabins

Highlights

True 4‑person layout: 6.5‑ft back bench + matching side benches
25‑year rot‑resistant thermally modified spruce
Full‑height tempered glass front for natural light
1.6‑ft deep covered porch for cool‑down and storage
DIY kit ships on one pallet; two people can assemble in a day

Specifications

Exterior (L × W × H)	6.9 ft × 6.9 ft × 7.28 ft
Volume	191 cu ft
Board Thickness	1.57 in
Bench Layout	Back 6.5 ft × 1.61 ft — Side 2.9 ft × 1.61 ft
Porch Depth	1.61 ft
Recommended Heater	9 kW electric (sold separately)

Health Benefits

Regular sauna sessions can improve circulation, speed muscle recovery, reduce stress hormones, and promote deeper sleep.

What’s Included

Pre‑cut Square sauna kit (select No 42 or No 43)
Tempered glass front wall, door, and handle
Porch platform, flooring, rain jacket, exterior trim
Stainless fasteners and illustrated assembly manual
Heater & sauna stones not included