The library

Every published guide, grouped by topic — two decades of home sauna writing, kept current. Pillar guides lead each group.

Build

How to Build a Home Sauna: The Complete Sequence The full home sauna build sequence — route options, the wall layer order and why, ventilation, heater sizing, and what to hire out. Rooted in Finnish practice.
Sauna Ventilation: The Two Systems That Actually Work Gravity or mechanical downdraft — two proven sauna vent layouts, placement heights, the 6-air-changes-per-hour target, and how to test airflow with smoke.
Sauna Bench Height and Dimensions: The Numbers That Work Sauna bench numbers that work: top bench 38 inches or higher and 39–47 inches below the ceiling, tiers 16–18 inches apart, 24 inches of run per bather.
Sauna Building Checklist: Every Step in Build Order A sequenced sauna building checklist: decisions, permits, rough-in before walls close, foil, cladding, benches, heater, electrician sign-off before first fire.
Sauna Doors, Windows, and Glass Walls: Specs That Work Outswing doors with no latch, tempered 8 mm glass, face-sized operable windows, and the heater-sizing cost of glass walls — specs for sauna builders.
Planning a Home Sauna: Decisions in the Right Order Plan a home sauna in the right order: purpose, location, size, ceiling height, layout, and heater — with the bench and steam-zone numbers that matter.
Sauna Plans: Layout Dimensions and an 11-Step Build Three worked sauna floor plans from 3×4 ft to 8×7 ft, plus the classic 11-step plan — framing, vents, insulation, foil, cedar, benches — and the fixes Finnish practice

Sauna Heaters: An Independent Guide Electric, wood-burning, and infrared sauna heaters compared: how a kiuas works, sizing math, stone mass, controls, safety rules, and how to judge any brand.
Electric Sauna Heaters: Stones, Controls, Circuits How electric sauna heaters work: heat-up times, stone capacity classes, controls, circuit sizes, element replacement — and why they make real löyly.
Infrared Sauna vs Traditional Sauna: The Honest Take Infrared cabins heat your body at 120–150°F with radiant panels — no stones, no löyly. A different appliance from a Finnish sauna, not a lesser one.
Sauna Heater Sizing: The Real kW Math and Wire Sizes How to size a sauna heater: 1 kW per cubic meter, why glass adds phantom volume, log-wall and 208V corrections, plus breaker and wire sizes per kW.
Wood-Burning Sauna Stoves: A Practical Guide Wood-burning sauna stoves explained: 45–90 minute heat-up, chimney and clearance rules, permits and insurance, stone mass, and why outdoors comes first.

Sauna Health Benefits: What the Science Actually Shows What the science really says about sauna health benefits — the 20-year Finnish cohort findings, what heat does to your body, and why association is not proof.
Does Sauna Detox Your Body? Sweat Is 99% Water Saunas don’t remove toxins through sweat — it’s about 99 percent water, and your liver and kidneys do the detoxifying. Here’s what a sauna gives you instead.
Oxygen Saunas: Why the Extra Oxygen Does Nothing An “oxygen sauna” adds oxygen your lungs never needed — healthy blood is already 97–99% saturated. Why the pitch fails, the fire risk, and what actually helps.
Sauna While Pregnant: The Honest Finnish Guidance Most Finnish women sauna through pregnancy. What the Finnish evidence and obstetric caution actually say — and how to stay under the overheating threshold.
Sauna Safety Rules and Contraindications The sauna’s real danger is alcohol, not heat. The cardiac contraindications, medication cautions, safe cooling, children, and the warning signs to get out.
Do Sauna Belts Work? The Fat-Loss Claim, Debunked Sauna belts don’t melt belly fat. Spot reduction isn’t real, the scale drop is just water weight, and the FTC has fined belt sellers. Here’s the evidence.

How to Take a Sauna the Finnish Way The full Finnish sauna session: shower first, towel down, 10–20 minute rounds at 70–100 °C, throwing löyly, the vasta, cooling off, and the quiet rules.
Sauna Scents: Birch, Tar, and How to Use Essential Oils What Finns actually use to scent a sauna — birch vasta, pine tar, a few drops of oil in the löyly water — and why neat oil never goes on hot stones.
Sauna Etiquette: The Finnish Rules of Sauna Peace Finnish sauna etiquette explained: saunarauha, talking norms, nudity and towels, who throws the löyly, guest manners, and how public saunas differ.
How to Host a Sauna Evening the Finnish Way How to host a Finnish-style sauna evening: heating schedule, guest rounds of 10–15 minutes, lake or shower cooling, saunakalja, and sausage on the stones.
What Is Löyly? The Steam That Defines the Finnish Sauna Löyly is the steam and spirit released when water meets the hot stones of a sauna stove. What the word means, where it comes from, and how to throw it well.
Sauna vs Steam Room: Temperature, Cost, Evidence A Finnish sauna runs 80–100°C with löyly on the stones; a steam room sits near 40–50°C at 100% humidity. Compare heat, cost, and health evidence.

Finnish Sauna Culture: What Finns Actually Do Finnish sauna culture explained: 3.3 million saunas, the weekly löyly rhythm, savusauna heritage, holiday saunas, mökki evenings, and the 2020 UNESCO listing.
The Sauna Bookshelf: Six Honest Reviews Honest reviews of six sauna books — Liikkanen, Auerbach, Aaland’s Sweat, Hillila, Saunaseura publications, and the free Trumpkin’s Notes. No affiliate links.
History of the Sauna: From Earth Pits to Electric Heaters How the Finnish sauna evolved from earth-pit sweat baths to smoke saunas, chimney stoves, and electric heaters — with the folklore that traveled along.
The Mökki Sauna: Finland’s Lakeside Cottage Tradition Why nearly all of Finland’s 500,000 summer cottages have a wood-fired lakeside sauna — the evening ritual, log-building roots, and the backyard version.

How Much Does a Home Sauna Cost? Honest 2026 Numbers Honest 2026 price ranges for every home sauna route — conversion, kit, barrel, custom, outdoor — plus a line-item DIY budget and the costs people forget.
Buying a Sauna: the Independent Guide An independent guide to buying a home sauna: honest reasons to own one, real running costs at 2026 electricity rates, kit quality checks, and red flags.
Sauna Kit vs. Custom Build: Costs, Time, and Trade-offs Kits, full DIY, and prefab saunas compared on cost, time, skill, and regrets — what’s really in the box, what barrels give up, and who should pick which.

Best Wood for a Sauna: What Finns Actually Use Cedar is the North American tradition; Finnish saunas run on spruce, aspen, and alder. Species-by-species comparison for benches, walls, and ceilings.

Sauna Accessories Worth Buying — and What to Skip The honest sauna gear list: five essentials, the comfort upgrades that earn their place, the products to skip, and how to care for wood the Finnish way.

Sauna Troubleshooting: Fix Common Problems by Symptom Symptom-by-symptom sauna troubleshooting: won’t get hot, breaker trips, stuffy air, mold, stones — likely causes, checks, fixes, and when to call a pro.

Sauna Glossary: 38 Finnish and Builder Terms Plain definitions of 38 sauna terms, Finnish and technical — löyly, kiuas, and lauteet through ACH, foil vapor barriers, and the 208V derate — with sources.
Plan a Home Sauna: The 10 Decisions in Order The ten decisions of a home sauna build in the order they come up — location, size, heater, ventilation, wood, benches, budget — each linked to its deep guide.