Clearlight Premier IS-3 Far Infrared Sauna vs Sunlighten Signature II Far Infrared Sauna
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Quick take: The Sunlighten Signature II Far Infrared Sauna costs $1,800 less; the Clearlight Premier IS-3 Far Infrared Sauna fits more people (3).
| Spec | Clearlight Premier IS-3 Far Infrared Sauna | Sunlighten Signature II Far Infrared Sauna |
|---|---|---|
| Price | $6,799 | $4,999 |
| Rating | 4.8★ (160) | 4.6★ (110) |
| Type | Infrared | Infrared |
| Capacity | 3 people | 2 people |
| Heater | True Wave carbon-ceramic far-infrared panels | SoloCarbon far-infrared panels |
| Heater Power | — | — |
| Max Temp | — | — |
| Wood / Material | Basswood or mahogany | Basswood or eucalyptus |
| Dimensions | 3-person cabin (bench seats three adults) | 2-person cabin |
| EMF Rating | Low-EMF verified | Low-EMF claimed |
| Install | Indoor assembly ~90 minutes with two people; dedicated circuit per spec | Indoor assembly; runs on standard 120V circuit |
| Warranty | Complete limited lifetime warranty | Tiered limited warranty; details provided during Sunlighten's quote process |
Pros & cons
Clearlight Premier IS-3 Far Infrared Sauna
- ✓Same independent EMF/ELF verification as the flagship Sanctuary
- ✓Skipping full-spectrum saves ~$600 with little real-world loss
- ✓Lifetime warranty across heaters, wood, and electronics
- ✓Roomy for two adults; honest about fitting three
- ✓Hypoallergenic basswood option for sensitive users
- ✓True Wave panels wrap heat around the bench, not just the back
- ✗Still a far-IR cabin — mild temps and zero humidity
- ✗$6,799 is serious money for what purists call a warm closet
- ✗Chromotherapy and audio feel dated next to app-first rivals
- ✗Freight delivery requires inspection discipline
- ✗Mahogany upcharge is cosmetic, not functional
Sunlighten Signature II Far Infrared Sauna
- ✓Same core SoloCarbon far-IR output as the flagship
- ✓$2,500 cheaper than the mPulse line
- ✓Standard 120V circuit — no electrician required
- ✓Chromotherapy and sound system included
- ✓Fewer electronics means fewer future failure points
- ✓Strong owner satisfaction for recovery and relaxation use
- ✗Quote-and-salesperson purchase process, with the pressure that implies
- ✗Low-EMF claims are in-house, not independently certified
- ✗Far-IR-only warmth — purists call it a heated closet
- ✗Warranty tiers only fully disclosed during the quote
- ✗No remote-start app at a price where rivals include one