On the deciding criteria
Warranty & Support5.0
Features & Water Care6.0
Verification6.0
Why it sits here
- Ahead of the Sun Home Luminar 2 outdoor sauna by 0.81, led by capacity (8 against 3).
Top rated outdoor saunas · ranked by score3 November 2026
The best outdoor saunas
The Sun Home Luminar 5 outdoor sauna ranks first of 22 outdoor saunas we have scored, at 9.0 out of 10. The five on this list cost $4,899 to $36,399, and their scores are within 2.12 of each other. Across all 22, scores run from 5.6 to 9.0.
- 22 scored
- 5 brands
- top five within 2.12
- scores 5.6–9.0
- updated 3 November 2026
The top 5 at a glance
How close the outdoor saunas are
Every product we scored, placed by overall score. The 5 on this list are in color.
Lower
Mid
Upper
Top 10%
123 5.56.06.57.07.58.08.59.0
- 2.12spread across the top 5
- ±0.102 could swap places
- on this list
- the other 17 scored
The 5 best outdoor saunas
In order of overall score. Under each: where it wins and loses on the three criteria that separate these 5, and why it sits where it does.
On the deciding criteria
Warranty & Support5.0
Features & Water Care6.0
Verification6.0
Why it sits here
- Ahead of the Redwood Outdoors Duo Outdoor Sauna by 0.81, led by features & water care (6 against 2) and warranty & support (5 against 1).
- Wrong for anyone who needs the most room: capacity scores 3, against 8 for the Sun Home Luminar 5 outdoor sauna.
On the deciding criteria
Warranty & Support1.0
Features & Water Care2.0
Verification4.0
Why it sits here
- Ahead of the Almost Heaven Pinnacle barrel sauna by 0.49, led by build & insulation (8 against 7).
- Beats the Sun Home Luminar 2 outdoor sauna above it on build & insulation (8 against 6) and temperature (10 against 9), and still trails it by 0.81 overall.
- Wrong for anyone who wants a long warranty: warranty & support scores 1, against 5 for three of these five.
On the deciding criteria
Warranty & Support1.0
Features & Water Care4.0
Verification4.0
Why it sits here
- Level with the Sun Home Solaris 4 outdoor sauna below it (0.01 apart), with no single criterion a full point ahead.
- Beats the Redwood Outdoors Duo Outdoor Sauna above it on capacity (7 against 3) and features & water care (4 against 2), and still trails it by 0.49 overall.
- Wrong for anyone who wants a long warranty: warranty & support scores 1, against 5 for three of these five.
On the deciding criteria
Warranty & Support5.0
Features & Water Care4.0
Verification4.0
Why it sits here
- Beats the Almost Heaven Pinnacle barrel sauna above it on warranty & support (5 against 1) and build & insulation (8 against 7), and still trails it by 0.01 overall.
Just outside the five: the Redwood Outdoors Garden Outdoor Sauna, 6th at 6.8, 0.06 behind.
What separates them
Warranty & Support, Features & Water Care and Verification.
- /10every score
- 10best here
- ▲▼move vs overall
- T-tie
| Overall | Product | Warranty & Support1–5 | Features & Water Care2–6 | Verification4–6 | 3-criteria rank |
|---|---|---|---|---|---|
| 1 |  Sun HomeLuminar 5 outdoor sauna |
5 | 6 | 6 | T-1 |
| 2 |  Sun HomeLuminar 2 outdoor sauna |
5 | 6 | 6 | T-1 ▲1 |
| 3 |  Redwood OutdoorsDuo Outdoor Sauna |
1 | 2 | 4 | 5 ▼2 |
| 4 |  Almost HeavenPinnacle barrel sauna |
1 | 4 | 4 | 4 |
| 5 |  Sun HomeSolaris 4 outdoor sauna |
5 | 4 | 4 | 3 ▲2 |
Ranked on these three alone, the order changes most for the Sun Home Solaris 4 outdoor sauna (5th overall, 3rd on those three criteria) and the Redwood Outdoors Duo Outdoor Sauna (3rd overall, 5th on those three criteria).
3-criteria score: the weighted average of these three alone, and where it places each of the 5.
Where these five fall short
What holds across the list rather than for one product.
- Safety listing2 of the 5 are listed by model in a certifier's directory, to UL 875: the Sun Home Luminar 5 outdoor sauna and the Sun Home Luminar 2 outdoor sauna.
- WarrantySplit 3 at 3-year, 2 at 1-year.
- PriceCheapest is the Redwood Outdoors Duo Outdoor Sauna at $4,899: 1.62 behind first place, at 35% of its price.
- Brands3 brands across the 5; Sun Home has 3. No cap on any brand.
What changed since the last edition
First edition - nothing to compare yet. From the next edition this section lists every move, with its cause:
- a new product
- a price change
- new owner reports
- a change to how we score
Not ranked yet
Scored on our criteria, but fewer than two independent sources cover them, so they carry no overall score. Sorted by specification score.
- Renu Therapy Zeno 6 barrel sauna $10,930 · specification 6.38 · 0 of 5 sources
- Renu Therapy Zeno 8 barrel sauna $11,060 · specification 6.38 · 0 of 5 sources
- Renu Therapy Zeno 4 barrel sauna $8,983 · specification 6.19 · 0 of 5 sources
- Coldture XTREME outdoor sauna $15,299 · specification 6.06 · 0 of 5 sources
- Renu Therapy Zeno 2 barrel sauna $7,769 · specification 5.94 · 0 of 5 sources
- Coldture PRO outdoor sauna $12,399 · specification 5.81 · 0 of 5 sources
- Medical Saunas Traditional 7 sauna $10,249 · specification 5.19 · 1 of 5 sources
- Medical Saunas Nature 8 Plus hybrid sauna $15,239 · specification 4.56 · 1 of 5 sources
- Medical Saunas Nature 7 hybrid sauna $12,239 · specification 4.44 · 1 of 5 sources
- Medical Saunas Nature 6 sauna $9,239 · specification 4.13 · 1 of 5 sources
- Medical Saunas Nature 5 sauna $7,239 · specification 4.00 · 1 of 5 sources
Outdoor saunas: common questions
What is the best outdoor sauna?
On our scores, the Sun Home Luminar 5 outdoor sauna: 9.0 overall, first of 22 we scored on 3 November 2026. The Sun Home Luminar 2 outdoor sauna is 0.81 behind at $10,999.
What are the top rated outdoor saunas?
On our scores: the Sun Home Luminar 5 outdoor sauna (9.0), the Sun Home Luminar 2 outdoor sauna (8.2) and the Redwood Outdoors Duo Outdoor Sauna (7.4). We score 22 outdoor saunas in all, and the rest of the order is on this page.
Is the Sun Home Luminar 5 outdoor sauna better than the Sun Home Luminar 2 outdoor sauna?
On our scores, yes: 9.0 overall against 8.2. The Sun Home Luminar 5 outdoor sauna is ahead on capacity (8 against 3). They cost $13,899 and $10,999.
How much does an outdoor sauna cost?
The 22 outdoor saunas we score list at $4,485 to $36,399 at the maker's own store, and half cost $7,899 or less. The five on this list run $4,899 to $36,399.
Which of these outdoor saunas has the longest warranty?
Three carry a 3-year warranty: the Sun Home Luminar 5 outdoor sauna, the Sun Home Luminar 2 outdoor sauna and the Sun Home Solaris 4 outdoor sauna.
Which of these outdoor saunas gets the hottest or the coldest?
Three score 10 on temperature, the highest of the five: the Redwood Outdoors Duo Outdoor Sauna (3rd overall), the Almost Heaven Pinnacle barrel sauna (4th overall) and the Sun Home Solaris 4 outdoor sauna (5th overall).
Which of these outdoor saunas has the most room?
The Sun Home Luminar 5 outdoor sauna scores 8 on capacity, the highest of the five. It is 1st overall at $13,899.
Which of these outdoor saunas is built and insulated best?
Two score 8 on build & insulation, the highest of the five: the Redwood Outdoors Duo Outdoor Sauna (3rd overall) and the Sun Home Solaris 4 outdoor sauna (5th overall).
Which of these outdoor saunas has the most features and water care?
Two score 6 on features & water care, the highest of the five: the Sun Home Luminar 5 outdoor sauna (1st overall) and the Sun Home Luminar 2 outdoor sauna (2nd overall).
Which of these outdoor saunas has the strongest safety verification?
Two score 6 on verification, the highest of the five: the Sun Home Luminar 5 outdoor sauna (1st overall) and the Sun Home Luminar 2 outdoor sauna (2nd overall).
What is the cheapest outdoor sauna on this list?
The Redwood Outdoors Duo Outdoor Sauna at $4,899 (3rd of 22 overall). The most expensive is the Sun Home Solaris 4 outdoor sauna at $36,399.
Which of these outdoor saunas do owners rate highest?
The Sun Home Luminar 5 outdoor sauna, at 7.0 out of 10 on what owners and independent testers report, the highest of the five. That comes from two sources, and it is 1st overall.
Which brands make the best outdoor saunas?
Of the five on this list, Sun Home has three and Redwood Outdoors and Almost Heaven have one each. The top pick is from Sun Home.
How many outdoor saunas did you compare?
22, from 5 brands. We list 34: 1 is another size of a product already counted and 11 have fewer than two independent sources.
How is this list ranked?
By the overall score: half our specification score across eight criteria, half what owners and independent testers report across up to five sources. The same number sits on every product page.
When was this list last updated?
This edition is dated 3 November 2026. The list is rebuilt whenever our product data changes, and a new edition goes up once it has been checked. Anything that moved since the last edition is listed on this page with the reason.
Questions about outdoor saunas
Answered from our data, with the products behind each answer.
- How much does a home sauna cost?The 85 home saunas we list run from $1,999 to $36,399, with a median of $7,769.
How hot does a sauna get?Of the 85 home saunas we list, 85 state a rated maximum temperature; the most common is 186-194°F (42).
How big is a 2-person sauna?26 of the 85 home saunas we list seat two, as their makers count seats.- Does a sauna need 240 volts?54 of the 85 home saunas we list need a 240 V supply, plugged in or hardwired, as their makers state it.
Scores calculated 3 November 2026 · 22 products ranked; a product needs at least two independent sources to be ranked · · How we score · All rankings