JNH Lifestyles
JNH Lifestyles Arki Outdoor Duo OD21
55.3 in × 47.3 in × 77.5 in
$14,999 Recorded package price
20 A Published requirement
Confirm installation and price scope. Illustration, not a product photo.
Evidence & open questions →United States · Sauna Room Guide
JNH Arki Outdoor Duo OD21 vs Sun Home Luminar 2
Compare exact outdoor infrared configurations:120V versus240V, documented clearances and the surrounding site.
The reviewed Arki Outdoor Duo uses a dedicated 120V/20A plug-in supply; the selected Luminar 2 uses 240V/20A. Compare the whole installation envelope and package before choosing.
Sun Home
Sun Home Luminar™ 2-Person Outdoor Full-Spectrum Infrared Sauna
57 in × 51.5 in × 82.7 in
$10,999 Recorded package price
20 A Published requirement
Confirm installation and price scope. Illustration, not a product photo.
Evidence & open questions →Sauna Room Guide · specification research, not hands-on testing · 2026-10-29
JNH Lifestyles Arki Outdoor Duo OD21
Sun Home Luminar™ 2-Person Outdoor Full-Spectrum Infrared Sauna
The differences that change the plan
| Condition | JNH Lifestyles Arki Outdoor Duo OD21 | Sun Home Luminar™ 2-Person Outdoor Full-Spectrum Infrared Sauna |
|---|---|---|
| Exterior width | 55.3 in | 57 in |
| Exterior depth | 47.3 in | 51.5 in |
| Exterior height | 77.5 in | 82.7 in |
| Rated input (W) | 2350 | 4800 |
| Published minimum voltage (V) | 120 | 240 |
| Published maximum voltage (V) | 120 | 240 |
| Published supply (A) | 20 | 20 |
| Connection | plug | plug |
| Plug type | NEMA 5-20P | NEMA L6-20P |
| Rear allowance | 12 in | Not documented |
| Overhead allowance | 24 in | Not documented |
| Front allowance | 36 in | Not documented |
| Supply phase | Not documented | Not documented |
| Supply frequency (Hz) | Not documented | Not documented |
These are manufacturer and seller specifications. Missing installation requirements remain unresolved; neither model is declared the universal winner. We have not tested heat distribution, comfort or reliability.
Outdoor does not mean the same site requirement
Both are sold for outdoor use, but their published cabin dimensions and installation conditions differ. The scale diagram compares the exterior only. It excludes additional working and access room, so it cannot show the full size of a prepared outdoor installation.
The OD21 manual documents side and rear allowances, front access and space above the roof. Review those exact conditions next to the Luminar 2 record instead of transferring one manufacturer’s requirements to the other. A larger garden does not settle foundation, moisture or servicing requirements.
Plan around the actual supply, not the label
The OD21 record specifies 120V and a dedicated 20A outlet. The captured Luminar 2 configuration calls for 240V/20A. Matching amperage is therefore not a match in electrical supply. Have the actual location and current manuals checked before deciding that either can use existing service.
The OD21 manual also specifies plug-in operation and outlet accessibility. Do not replace that requirement with a general hardwiring suggestion. Keep the exact SKU and nameplate with the quotation; a different generation or optional package can need a different answer.
Keep performance and ownership promises bounded
We have not tested heat-up time, thermal distribution, red-light effects or performance in severe weather. The manufacturer descriptions can identify different equipment and enclosure choices, but those features do not establish measured results for your climate or usage.
Ask for the warranty applicable to the order, the operating and storage conditions and the maintenance work the manual actually requires. A broad weather-resistant claim does not remove the need for a supporting surface, appropriate connections or care of the cabin.
Compare installation quotations alongside product prices
Obtain like-for-like freight and assembly scopes and include any confirmed supply preparation. The useful result is a documented project plan, not a decision based on the sticker amount alone. Unknown foundation or electrical costs should stay visible in the budget.
Run both exact configurations in the tool and preserve their different unresolved questions. Save the manual links and quoted package details before ordering. Neither this comparison nor a successful exterior check certifies the outdoor installation.
Installation conditions that a scalar table cannot show
JNH Lifestyles Arki Outdoor Duo OD21
- Installation condition : 12-inch documented allowance.
- Installation condition : 12-inch documented allowance.
- Installation condition : 12-inch documented allowance.
- Installation condition : 36-inch documented allowance.
- Installation condition : 24-inch documented allowance.
- Installation condition : Use a level supporting foundation; do not put directly on grass,soil or sand. Dedicated outlet accessible within4ft.
Sun Home Luminar™ 2-Person Outdoor Full-Spectrum Infrared Sauna
- Published range : Allow 4–6 in behind and beside the cabin for airflow, cable and service access.
- Published range : Allow 20–24 in above the roof for assembly and service access.
- Installation condition : The door must swing fully open; the guide gives no numeric front allowance.
- Installation condition : The level, drained pad must extend at least 6 in beyond every side of the footprint. Published pad support is 1,500 lb (680 kg).
Sources & check dates
Manufacturer and seller statements, not our own product testing. Missing conditions remain unresolved.
- JNH Lifestyles — US-JNH-ARKI-OUTDOOR
JNH Lifestyles · US · 2026-10-29 · Current exact US product specifications, scope and optional extras - JNH Lifestyles — US-JNH-OD21-MANUAL
JNH Lifestyles · US · 2026-10-29 · Sections5/7/16:side/rear12in,front36in,overhead24in;dedicated120V20A outlet within4ft;no hardwiring. - Sun Home Luminar™ 2-Person Outdoor Full-Spectrum Infrared Sauna
Sun Home · US · 2026-10-28 · Product specifications - SUN_HOME-LUMINAR_2-SPEC_SHEET-2026-09-14.pdf
Sun Home · US · 2026-10-28 · PDF p. 1: dimensions, electrical and fitting sections · SUN_HOME-LUMINAR_2-SPEC_SHEET-2026-09-14.pdf - LUMINAR 2-ASSEMBLY
Sun Home Saunas · US · 2026-10-28 · PDF physical p.7 / printed p.6: Clearance Requirements and Site Checklist · SUN_HOME-LUMINAR_2-ASSEMBLY_GUIDE-v2.1-2026-09-09.pdf