Medical Saunas Nature 4 Outdoor Infrared Sauna review
By Kirill Gissa · Published · Specs checked Oct 8, 2026 · 
Scores 8.5/10, last of the 7 outdoor infrared saunas we track. At $5,339 for one person, it is above the category median of $3,669.50 per seat. No max temperature or heat-up time is published for it; 4 of the 7 outdoor infrared saunas state a max temperature.
A long warranty matters: 3 years, under the lifetime median for outdoor infrared saunas
- Price
- $5,339
- Heat
- Full-spectrum infrared ("Ultra Full Spectrum Outdoor Heaters"), 6 heaters, 2200 W; dry sauna
- Seats
- 1
- Max temp
- Not stated
- Warranty
- 3 years
- Returns
- 30 days
Specs and sources
Checked Oct 8, 2026 · all from medicalsaunas.comHeat and power
Build
Buying
Warranty, returns and shipping
3 years ("All of our saunas come with a 3 year warranty").
30 days from delivery, RMA only, new in original packaging; shipping both ways paid by the buyer; white-glove delivery not refundable.
Ships directly from the brand's Los Angeles factory.
Warranty: 3 years ("All of our saunas come with a 3 year warranty"). Returns: 30 days from delivery, RMA only, new in original packaging; shipping both ways paid by the buyer; white-glove delivery not refundable. Shipping: Ships directly from the brand's Los Angeles factory. Source: medicalsaunas.com, checked Oct 8, 2026.
Source: medicalsaunas.com, checked Oct 8, 2026.
Compared with similar outdoor infrared saunas
All 7 outdoor infrared saunas →| Model | Price | Heat | Seats | Warranty | Score | Where to buy |
|---|---|---|---|---|---|---|
| Medical Saunas Nature 4 Outdoor Infrared SaunaTHIS MODEL | $5,339 | Full-spectrum infrared ("Ultra Full Spectrum Outdoor Heaters"), 6 heaters, 2200 W; dry sauna | 1 | 3 years | 8.5/10 | |
| Medical Saunas Nature 5 Outdoor Infrared Sauna | $7,339 | Full-spectrum infrared ("Ultra Full Spectrum Outdoor Heaters"), 7 heaters, 2600 W; dry sauna | 1–2 | 3 years | 8.75/10 | See specs → |
| Golden Designs Carinthia 3 Person Hybrid (GDI-8123-01) | $8,999 | Infrared plus electric stove (hybrid), stove 8.0 kW or full-spectrum IR: 8 emitters | 3 | Lifetime (limited) | 9.5/10 | See specs → |
| Medical Saunas Nature 6 Outdoor Infrared Sauna | $9,339 | Full-spectrum infrared ("Ultra Full Spectrum Outdoor Heaters"), 9 heaters, 3400 W; dry sauna | 2–3 | 3 years | 8.75/10 | See specs → |
| Golden Designs Gargellen 5 Person Hybrid (GDI-8125-01) | $9,999 | Infrared plus electric stove (hybrid), stove 8.0 kW or full-spectrum IR: 10 emitters | 5 | Lifetime (limited) | 9.5/10 | See specs → |
