Sauna Building Resources

Everything you need to design and build your own sauna, in one place — ready-to-build sauna plans, free building guides and calculators, honest kit reviews, sauna gear, and hands-on help from a working designer. Use the navigator to jump to plans, guides & tools, products, or services.

Sauna Plans

Ready-to-build sauna plans with a full materials list, 3D SketchUp model, and step-by-step construction instructions.

2–3 person outdoor sauna plan (5x6)
$49
Available Now

Outdoor Sauna: 2–3 Person

Compact outdoor sauna with a 6kW electric heater, parallel bench layout, and full construction phases. Perfect for smaller backyards.

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4–6 person outdoor sauna plan (8x8)
$49
Available Now

Outdoor Sauna: 4–6 Person

Versatile 8x8 with an 8kW WiFi-controlled heater, redwood benches, tile floor with drain, and cedar paneling. Full 14-phase build guide.

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4–6 person outdoor sauna plan with changing room (8x12)
$49
Available Now

Outdoor Sauna w/ Changing Room: 4–6 Person

Spacious outdoor sauna with a dedicated changing room. Full layout, materials list, and step-by-step construction details.

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2-3 Person Bathroom Sauna plan — indoor corner build
$49
Available Now

Bathroom Sauna: 2–3 Person

Indoor pentagonal corner sauna that fits into an existing bathroom or room — ~25 sq ft, 6kW heater, L-shaped cedar benches, and a floor drain. No foundation or roof needed. Full 13-phase build guide.

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Garage Sauna plan — Finnish-style box built inside a garage
$49
Available Now

Garage Sauna: 3 Person

Finnish-style sauna built as an insulated box inside your garage — 6.5×6.5, 8kW Harvia WiFi heater, two-tier redwood benches, cedar interior. Sits on your slab; no foundation or weatherproof roof needed. Full 14-phase build guide.

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Plan in progress
$39
Coming Soon

Outdoor Standalone Sauna: 2–3 Person

The classic starter build. Perfect for a backyard sauna with 2–3 person capacity.

Plan in progress
$45
Coming Soon

Outdoor Standalone Sauna: 4–6 Person

A family-sized outdoor sauna with room for 4–6 people and flexible bench layouts.

Plan in progress
$49
Coming Soon

Shed-to-Sauna Conversion

Convert an existing shed into a full sauna suite. Based on a real 11x16 conversion in the Pacific Northwest.

Sauna Products

Physical sauna gear that ships to your door, built for any sauna.

Sauna Services

Hands-on help from a working sauna designer when you want a person, not a PDF.