The Index
Every guide we've published.
Each one is the result of 30+ days with the gear, instrument-logged data, and a written verdict you can act on. Updated quarterly.
cold plunge
7 min read · Updated 2026-06-02
Best Cold Plunge Tubs Under $1,500 (2026 Buyer's Guide)
What $1,500 actually buys in 2026, the specs that matter, and the cheap tubs that will disappoint you in year two.
7 min read · Updated 2026-06-15
Inflatable vs Hard-Shell Cold Plunge: What You Actually Give Up
An instrument-logged breakdown of where inflatable and hard-shell plunge tubs really diverge — and why insulation, not price, should drive the decision.
7 min read · Updated 2026-06-15
Cold Plunge Water Care: How to Stay Clean Without Draining Every Week
Cold water hides its problems — here's the filter, sanitizer, and testing setup that stretches a drain from weekly to every 6–8 weeks.
sauna
6 min read · Updated 2026-06-02
Barrel Sauna vs Infrared: Which Should You Actually Buy?
These aren't competing products — they produce different effects, install in different spaces, and cost very different amounts to run. Here's how to choose.
8 min read · Updated 2026-06-15
Best Home Infrared Saunas Under $3,000 (2026)
The best 1-person, 2-person, budget, and full-spectrum infrared saunas under $3,000 — chosen by spec profile, with the EMF and heater numbers that actually decide it.
9 min read · Updated 2026-06-15
How to Build a Sauna + Cold Plunge Contrast Setup at Home
The smart order of operations for a home hot-cold setup — what to buy first, how to plan space and electrical, and the mistakes that cost thousands.
chiller
6 min read · Updated 2026-06-02
Cold Plunge Chiller Specs Explained (The One Ratio That Matters)
Every 'my plunge doesn't get cold enough' complaint traces back to one spec the marketing buries. Here's how to read a chiller spec sheet.
8 min read · Updated 2026-06-15
Best Cold Plunge Chillers in 2026 (Ranked by How You'll Actually Use It)
There's no single best cold plunge chiller — there's the right spec profile for how you'll use it. We rank by use case: solo daily, two users, budget, hot garages, and efficiency.