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This is an honest review of the Medical Saunas brand — covering what their full spectrum infrared technology actually delivers, how the model numbers differ from each other, and who Medical Saunas genuinely suits versus who would be better served by a different option. To browse Medical Saunas models, visit our Medical Saunas collection.

What Medical Saunas is and how it positions itself

Medical Saunas is a US-distributed brand focused on full spectrum infrared sauna technology — combining near, mid, and far infrared wavelengths in a single system rather than the single far infrared wavelength used by most budget and mid-range competitors. The brand name positions itself toward clinical associations, though Medical Saunas products are wellness equipment, not medical devices requiring regulatory clearance.

Their US customer base includes home wellness buyers, medspas, naturopathic clinics, and integrated wellness practices that value the full spectrum approach and the premium material and finish quality Medical Saunas delivers compared to brands like HealthSmart or Dynamic Saunas.

The full spectrum claim: what it means in practice

Standard infrared saunas use far infrared (FIR) emitters only. Medical Saunas installs near infrared (NIR), mid infrared (MIR), and far infrared emitters operating simultaneously.

• Near infrared (700–1,400 nm): Penetrates most shallowly. Associated with collagen production, cellular energy (ATP), and skin surface effects.
• Mid infrared (1,400–3,000 nm): Reaches deeper soft tissue. Associated with circulation improvement and pain relief.
• Far infrared (3,000+ nm): Deepest penetration. Produces the core temperature elevation associated with cardiovascular response, sweating, and detoxification.

The honest assessment: the physiological research base for near and mid infrared in a sauna context is thinner than for far infrared, which has the most accumulated wellness literature. The full spectrum approach is reasonable and additive — it does not undermine the far infrared benefits — but buyers should not purchase Medical Saunas exclusively on the strength of near infrared collagen claims.

How the model numbers differ: 3 through 9 Plus

The model numbers do not represent meaningful clinical distinctions — they are capacity and feature tiers within the same technology approach. The primary differentiators as you move up are interior size, feature completeness (audio, control panel sophistication, chromotherapy options), and heater output.

Build quality: where Medical Saunas earns its premium

The most defensible part of Medical Saunas' premium over HealthSmart or Dynamic is build quality. The Canadian hemlock construction is heavier and more precisely joined than mid-range competitors. The bench boards are thicker, the door hardware is solid, and the interior finish detail — particularly on the 7 Plus and 9 Plus models — reflects a manufacturing standard that is perceptibly above the mid-range category.

For buyers who have examined both a Medical Saunas unit and a HealthSmart unit side by side, the material quality difference is immediately apparent. For buyers purchasing without a direct comparison, the photos do not always communicate the distinction.

Where Medical Saunas has limitations

• Far infrared only delivers most of the core sauna benefit. Buyers who primarily want cardiovascular conditioning, sweating, and recovery do not need the full spectrum premium.
• Medical Saunas are indoor installations only — no outdoor-rated models. For buyers who want an outdoor sauna experience, Dundalk or SaunaLife are the appropriate brands.
• The commercial 485–489 series is appropriate for light commercial medspa use — not for high-volume gym or athletic facility installations where a traditional commercial electric heater system is more durable.

Frequently asked questions

Related: Full spectrum infrared saunas · Hybrid saunas · HealthSmart infrared