Thermory 2 Person Square Sauna No 45 DIY Kit

Thermo Spruce — Sauna Solo / No Heater (Bring Your Own) / None

$5,478.00

Thermory 2 Person Square Sauna No 45 DIY Kit

Wood Finish & Configuration

Heater Bundle

Add-ons

$5,478.00

Shipping calculated at checkout.

The 2 Person Square Sauna No 45 DIY Kit is a 1–2 person square sauna DIY kit built from thermally-modified Northern European Spruce — chemical-free, kiln-stable, and engineered to outlast cedar in any climate. Pre-cut and pre-milled with no on-site cutting required, you'll install it in about a day with no specialty tools.

Configure your build below: pick a structural Configuration (Sauna Solo or with add-on kits), choose a Harvia heater bundle (or bring your own), and add lighting or accessory packages.

Key Features

Capacity	1–2 Person
Configuration	Compact · No Window
Benches	Lower: 3.9 ft × 1.66 ft · Upper: 2.0 ft × 0.91 ft
Door	6'2" tempered-glass entry door
Wood	Thermally Modified Northern European Spruce (chemical-free heat & steam treatment)
Installation	DIY-friendly · pre-cut and pre-milled · no on-site cutting · ~1 day install

Dimensions

Outside	4.6 ft L × 4.4 ft W × 7.28 ft H
Inside	98 cu ft
Interior Volume	98 cu ft

Juniper Half Wall Panel Kit

Thermory Juniper Half Wall Panel Kit installed in a barrel sauna

Add a contrasting feature wall in genuine Finnish juniper — a dense, aromatic hardwood that resists moisture and releases a subtle scent in the heat. The half-wall panel adds visual depth at the seating area while keeping the upper sauna open and bright. A signature Nordic accent.

Add-on Modifiers

Stack any add-on with your chosen Configuration and Heater bundle — picked separately so you only pay for what you want.

Under-Bench Lighting (+$689) — Warm LED strip lighting concealed beneath the lower bench. Sauna-rated, low-voltage, with dimmer.
Bucket, Ladle & Thermometer Package (+$298) — Finnish hardwood bucket with PVC liner, matching ladle, and a sauna-rated thermometer/hygrometer combo. Ready to use on day one.

Why Thermory

Thermory is the only thermally-modified barrel sauna manufacturer in North America. We heat and steam our Nordic spruce to chemically alter the wood at the cellular level — releasing sugars that attract rot, stabilizing the cell walls against moisture, and locking in dimensional stability that cedar can't match. Result: a sauna that doesn't shrink or warp through changing seasons and outperforms competitors on durability, rot-resistance, and clean aesthetic. No chemicals. No sealers required. Just wood, perfected.