Clearlight Sanctuary 2 and Clearlight Premier IS-2 finish level on our weighted scoring, so the decision here is about fit rather than ranking. Clearlight Premier IS-2 costs $1,500 less — about 21% — so the question is whether what Clearlight Sanctuary 2 adds is worth that to you. They separate most on price (Clearlight Premier IS-2), type and heater power (Clearlight Sanctuary 2) — those are the rows worth reading closely. In short: Clearlight Sanctuary 2 for indoor full-spectrum infrared with the best warranty; Clearlight Premier IS-2 for best-value indoor infrared from a trusted brand.
| 2 products | ![]() Clearlight Clearlight Sanctuary 2 | ![]() Clearlight Clearlight Premier IS-2 |
|---|---|---|
| Price | $7,299 | $5,799 |
| Overall score | 8.7 | 8.7 |
| Type | Full-spectrum infrared | Far-infrared |
| Heater power (kW) | ~2.4 kW | ~2.2 kW |
| Max temperature (°F) | 125–145 °F | 125–145 °F |
| Capacity (persons) | 2 persons | 2 persons |
| Voltage | 120V / 20A (config) | 120V / 20A (config) |
| Amperage (A) | 20 A | 20 A |
| Wood | Cedar or basswood | Cedar or basswood |
| Warm-up time (min) | 20–30 min | 20–30 min |
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Clearlight
Best for Indoor full-spectrum infrared with the best warranty
Clearlight
Best for Best-value indoor infrared from a trusted brand