# JNH Lifestyles Arki Outdoor Duo High-Heat 170°F 2-Person Full-Body 360° Medical-Grade Red Light Therapy + Full Spectrum Infrared Sauna

> JNH Lifestyles Arki Outdoor Duo High-Heat 170°F 2-Person Full-Body 360° Medical-Grade Red Light Therapy + Full Spectrum Infrared Sauna (OD21) is a sauna from JNH Lifestyles infrared saunas. It uses infrared heat, is built for outdoor use, seats up to 2, measures 55.25 × 47.25 × 77.5 in outside (L × W × H), and is rated to reach 170 °F. Lowest in-stock price on file: $18,999 at JNH Lifestyles (checked Oct 7, 2026).

- Line: [JNH Lifestyles infrared saunas](https://saunagrid.com/lines/jnh-lifestyles-infrared/)
- Category: [Saunas](https://saunagrid.com/compare/sauna/)
- Status: current
- Data confidence: confirmed (last verified 2026-10-07; [what this means](https://saunagrid.com/how-we-compare/#confidence))
- Page: https://saunagrid.com/products/jnh-lifestyles-infrared-arki-outdoor-duo-high-heat-170-f-2-person-full-body-360-medical-grade-red-light-therapy-full-spectrum/

## Specifications

| Spec | Value | Source |
|---|---|---|
| Model / SKU | OD21 | [jnhlifestyles.com](https://jnhlifestyles.com/all-saunas/jnh-arki-outdoor-2-person-red-light-therapy-full-spectrum-infrared-sauna-ultra-low-emf/) (brand, page, 2026-10-07) |
| Heat | infrared | [jnhlifestyles.com](https://jnhlifestyles.com/all-saunas/jnh-arki-outdoor-2-person-red-light-therapy-full-spectrum-infrared-sauna-ultra-low-emf/) (brand, page, 2026-10-07) |
| Infrared spectrum | far, mid, near | [jnhlifestyles.com](https://jnhlifestyles.com/all-saunas/jnh-arki-outdoor-2-person-red-light-therapy-full-spectrum-infrared-sauna-ultra-low-emf/) (brand, page, 2026-10-07) |
| Setting | outdoor | [jnhlifestyles.com](https://jnhlifestyles.com/all-saunas/jnh-arki-outdoor-2-person-red-light-therapy-full-spectrum-infrared-sauna-ultra-low-emf/) (brand, page, 2026-10-07) |
| Shape | not published |  |
| Seats | 2 | [jnhlifestyles.com](https://jnhlifestyles.com/all-saunas/jnh-arki-outdoor-2-person-red-light-therapy-full-spectrum-infrared-sauna-ultra-low-emf/) (brand, page, 2026-10-07) |
| Outside size (L×W×H) | 55.25 × 47.25 × 77.5 in | [jnhlifestyles.com](https://jnhlifestyles.com/all-saunas/jnh-arki-outdoor-2-person-red-light-therapy-full-spectrum-infrared-sauna-ultra-low-emf/) (brand, page, 2026-10-07) |
| Inside size (L×W×H) | 45 × 37 × 72.5 in | [jnhlifestyles.com](https://jnhlifestyles.com/all-saunas/jnh-arki-outdoor-2-person-red-light-therapy-full-spectrum-infrared-sauna-ultra-low-emf/) (brand, page, 2026-10-07) |
| Weight | 450 lb | [jnhlifestyles.com](https://jnhlifestyles.com/all-saunas/jnh-arki-outdoor-2-person-red-light-therapy-full-spectrum-infrared-sauna-ultra-low-emf/) (brand, page, 2026-10-07) |
| Power | not published |  |
| Voltage | 120 | [jnhlifestyles.com](https://jnhlifestyles.com/all-saunas/jnh-arki-outdoor-2-person-red-light-therapy-full-spectrum-infrared-sauna-ultra-low-emf/) (brand, page, 2026-10-07) |
| Circuit | 20 A | [jnhlifestyles.com](https://jnhlifestyles.com/all-saunas/jnh-arki-outdoor-2-person-red-light-therapy-full-spectrum-infrared-sauna-ultra-low-emf/) (brand, page, 2026-10-07) |
| Plugs in | yes | [jnhlifestyles.com](https://jnhlifestyles.com/all-saunas/jnh-arki-outdoor-2-person-red-light-therapy-full-spectrum-infrared-sauna-ultra-low-emf/) (brand, page, 2026-10-07) |
| Top temperature (claimed) | 170 °F | [jnhlifestyles.com](https://jnhlifestyles.com/all-saunas/jnh-arki-outdoor-2-person-red-light-therapy-full-spectrum-infrared-sauna-ultra-low-emf/) (brand, page, 2026-10-07) |
| Heater | not published |  |
| Heater included in the price | not published |  |
| Wood | hemlock | [jnhlifestyles.com](https://jnhlifestyles.com/all-saunas/jnh-arki-outdoor-2-person-red-light-therapy-full-spectrum-infrared-sauna-ultra-low-emf/) (brand, page, 2026-10-07) |
| Thermally modified wood | not published |  |
| Wall / stave thickness | not published |  |
| Arrives | not published |  |
| Electrical safety listing | not published |  |
| Warranty: cabin | lifetime | [jnhlifestyles.com](https://jnhlifestyles.com/all-saunas/jnh-arki-outdoor-2-person-red-light-therapy-full-spectrum-infrared-sauna-ultra-low-emf/) (brand, page, 2026-10-07) |
| Warranty: heater | not published |  |

## Where to buy

| Store | Price (USD) | Availability | Checked | Link |
|---|---|---|---|---|
| JNH Lifestyles | $18,999 | in stock | 2026-10-07 | [View at JNH Lifestyles](https://jnhlifestyles.com/all-saunas/jnh-arki-outdoor-2-person-red-light-therapy-full-spectrum-infrared-sauna-ultra-low-emf/) |

Prices are re-checked weekly; a date more than a month old means the store could not be re-read.

## The equivalent in other lines

Same category, different line:

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- [Almost Heaven Allegheny 6 Person Cabin Sauna (wood-fired)](https://saunagrid.com/products/almost-heaven-outdoor-allegheny-6-person-cabin-wood/) — $15,006
- [Almost Heaven Hinton 2-3 Person Infrared Sauna](https://saunagrid.com/products/almost-heaven-infrared-hinton-2-3-person/) — $6,840
- [Almost Heaven Laurel 1 Person Infrared Sauna](https://saunagrid.com/products/almost-heaven-infrared-laurel-1-person/) — $5,999.99
- [Almost Heaven Blackwater 1-2 Person Mini-Cube Sauna](https://saunagrid.com/products/almost-heaven-outdoor-blackwater-1-2-person-mini-cube/) — $8,397
- [Almost Heaven Tyrol Indoor Sauna, Large 4-5 Person](https://saunagrid.com/products/almost-heaven-indoor-tyrol-large-4-5-person/) — $6,792


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SaunaGrid lists home saunas from every brand side by side, with a source for every spec and a date on every price. [How we compare](https://saunagrid.com/how-we-compare/). Data as of 2026-10-10.