40%Scientific Efficacy
Peer-reviewed proof that the unit delivers the cited biological outcome at the prescribed thermal dose.
Science-based rankings of At-Home Saunas
Quality Rating (science-driven) + Consumer Rating (normalized real-world sentiment) = Total Rating
- Quality Rating
- 40% Efficacy · 30% Purity · 20% Build · 10% UX
- Consumer Rating
- Aggregated across verified review surfaces
= Total Rating (composite index)
How We Score
The 40 / 30 / 20 / 10 Rating Standard
30%Safety & Purity
ELF/EMF profile, off-gassing, heater shielding, and adhesive chemistry. Anything that contaminates the thermal load is downgraded.
20%Build Quality & Durability
Cabin material grade, joinery tolerances, and heater longevity audited against teardown evidence.
10%User Experience & Features
Time-to-first-session, control simplicity, and clean install. Aesthetic only matters insofar as it removes friction.