Rankings / Sun Home Saunas / Luminar review
Sun Home Luminar review: the outdoor infrared sauna everyone keeps recommending
Fortune, Garage Gym Reviews and Men's Fitness have all tested the Luminar and all put it at or near the top of their lists. We read every one of those reviews, compared them with Sun Home's own numbers and our brand data, and pulled out what actually matters if you're deciding whether to spend $11,000-$14,500 on one.
What it is
The Luminar is Sun Home's outdoor full-spectrum infrared sauna. It comes in 2-person (about $11,000-$11,600) and 5-person ($13,900-$14,500) sizes. The exterior is aluminum rather than wood, which is unusual: it's meant to shrug off rain and sun without the yearly staining a cedar barrel needs. Inside is red cedar, with full-spectrum heaters (near, mid and far infrared), chromotherapy lighting, Bluetooth audio and app control over Wi-Fi. It runs on a dedicated 240V, 30-amp circuit.
What three test teams found
| Reviewer | Verdict | Liked | Didn't like |
|---|---|---|---|
| Fortune (Luminar 5) | 4.5 / 5, top pick | Reached 130°F in about 10 minutes and 140°F in about 20; benches long enough for two people to lie down; easy temperature control | Controls default to Celsius; price is high next to smaller indoor units |
| Garage Gym Reviews (Luminar 2) | Best infrared sauna | One of the few infrared saunas built for outdoor use; aluminum shell; tester reported very fast heat-up | Needs 240V; expensive |
| Men's Fitness (Luminar 2) | Best overall infrared sauna | App control, strong heat up to 170°F, durable weatherproof exterior, single 240V connection keeps electrician costs down | No steam; modern look isn't for everyone |
Three independent testers reaching the same conclusion is worth more than any single review. The consistent themes: it gets hotter than most infrared saunas (170°F max), it heats fast, it's comfortable, and it looks good. The consistent complaints: the price, and the fact that it's infrared, so there's no steam.
The specs that matter
- Max temperature: 170°F. Most infrared cabins top out at 140-150°F, so this is near the top of the category.
- Heat-up: roughly 20 minutes to a 140°F session temperature, per Fortune's timing.
- Power: one dedicated 240V / 30A circuit. Budget $300-$1,500 for an electrician if you don't have one outside.
- Size (2-person): about 57" wide, 52" deep, 83" tall. The 5-person is substantially larger; measure your spot.
- Exterior: aluminum, described by Sun Home as aerospace-grade. No sealing or staining.
- EMF: Sun Home publishes third-party testing (about 0.5 mG at the seat) and says all its saunas are shielded.
- Warranty: this is where published numbers disagree. Sun Home markets a limited lifetime warranty; the terms cap cabinetry and heaters at 7 years, with 3 years on controls. Fortune's comparison table listed 6 years on heaters and 1 year on other parts. Ask Sun Home for the current written terms before you buy, and keep a copy.
How it compares
| Model | Price | Heat | Max temp | Power | Warranty |
|---|---|---|---|---|---|
| Sun Home Luminar 2 | $10,999-$11,599 | Infrared | 170°F | 240V | Limited lifetime (7-yr cap) |
| Sun Home Luminar 5 | $13,899-$14,499 | Infrared | 170°F | 240V | Limited lifetime (7-yr cap) |
| Plunge Sauna | $11,990-$12,990 | Traditional | Up to 230°F | 240V | 2 years (extendable) |
| Redwood Outdoors Duo | $5,699-$5,899 | Traditional | About 190°F | 240V | 1 year (5 on heater) |
| Clearlight Sanctuary Outdoor | Quote | Infrared | About 150°F | 240V | Lifetime residential |
If you want outdoor infrared, the Luminar has little direct competition: most infrared cabins are indoor-only, and Clearlight's outdoor models cost more. If you're open to traditional heat outdoors, the Redwood Outdoors Duo gives you higher temperatures and steam for half the price, with a much shorter warranty.
Who should buy it
- You want an outdoor sauna that needs almost no maintenance.
- You prefer gentler infrared heat and longer sessions over the 190°F blast of a traditional room.
- You care about app control, lighting and audio.
- You have (or will install) a 240V circuit outside, and the budget.
Who should skip it
- You want steam and löyly. Buy a traditional sauna; see our guide.
- You're on a budget. Sun Home's own indoor Equinox is about $6,500, and a cedar barrel from Almost Heaven starts around $5,000.
- You rent or might move.
Our take
The Luminar earns its reputation. It's the best-reviewed outdoor infrared sauna on the market, and the aluminum shell solves a real problem with outdoor wood saunas. The things to go in with eyes open about are the price, the warranty fine print, and the fact that it's infrared, which is a different experience from a Finnish sauna rather than a better or worse one. Read infrared vs traditional if you haven't settled that question yet.
Sun Home was founded in 2021 and is based in San Diego. We earn a commission if you buy through our link; it doesn't affect this review or Sun Home's score.