Sunlighten review: a home infrared sauna for serious recovery
Official site: sunlighten.com
What we liked
- A gentle, dry heat that is easier to sit in than a traditional sauna
- Solid build, and a cabin that felt well made rather than flimsy
- Runs at a lower temperature, so sessions feel sustainable
- Owning one removes the trek to a spa or gym
What we didn't
- A major purchase, with prices climbing by model and size
- It needs real floor space and a nearby power outlet
- The benefits are the hardest of the six to measure honestly
The short version
Sunlighten makes home infrared saunas for people who want heat-based recovery in their own space and are ready to pay for it. The heat is pleasant and the cabin is well built, but this is a big, fixed purchase that takes up a corner of a room. We rank it in the middle: a fine product that earns its place only for a specific buyer with the space and the budget to match.
Strengths
The heat is the best thing about it. Infrared warms your body directly rather than roasting the air, so it runs cooler than a traditional sauna and the sessions feel easier to sit through. We could stay in comfortably for longer, which made it something to look forward to rather than endure. The cabin itself felt solid, the controls were simple, and having it at home meant no booking, no travel, and no sharing with strangers at the gym.
Weaknesses
The cost and the footprint are the catch. This is a serious outlay, and the price rises with model and size, so the figure you start with rarely stays put. It also needs a permanent spot and a power supply nearby, which rules it out for small homes. And of everything we tested, the recovery benefits here are the hardest to pin to a number, so a lot of the value comes down to whether you enjoy the heat enough to use it often.
Setup and running cost
Assembly is more involved than a cover or an app, though a panel cabin goes together without a tradesperson. Once it is in place it stays there, so pick the spot carefully. Running cost is mostly the electricity to heat it, which is modest per session, but the real cost is the upfront price. Treat it as a piece of furniture you will own for years, because that is what it is.
Who it makes sense for
This is for people who already know they like sauna heat, have a spare corner for a cabin, and want it on tap without leaving the house. If that is you, it is a pleasant and well-made way to get there. If you are merely curious about heat for recovery, try a gym or spa sauna a few times first, because that answers the question for a tiny fraction of the price.
Scored check by check
| Check | Score |
|---|---|
| Heat quality | 9/10 |
| Comfort of sessions | 9/10 |
| Build quality | 9/10 |
| Ease of assembly | 7/10 |
| Space needed | 5/10 |
| Running cost | 7/10 |
| Convenience at home | 9/10 |
| Measurable benefit | 6/10 |
| Value for money | 6/10 |
| Controls | 8/10 |
| Warranty and support | 8/10 |
| Durability | 9/10 |
Alternatives
Wim Hof Method
The cheap counterpoint: cold rather than heat, with a free routine that needs nothing but a shower.
Visit Wim Hof Method
Eight Sleep
The other big purchase, aimed at temperature in bed at night rather than heat during the day.
Visit Eight Sleep