Sunlighten mPulse Believe edges ahead on our weighted scoring, but only by 0.3 of a point — close enough that the specifics below matter more than the ranking. Sunlighten Solo System costs $3,900 less — about 65% — so the question is whether what Sunlighten mPulse Believe adds is worth that to you. They separate most on price (Sunlighten Solo System), overall score (Sunlighten mPulse Believe) and type — those are the rows worth reading closely. In short: Sunlighten mPulse Believe for the most capable app-driven full-spectrum infrared; Sunlighten Solo System for apartments and small spaces with no room for a cabin.
| 2 products | ![]() Sunlighten Sunlighten mPulse Believe | ![]() Sunlighten Sunlighten Solo System |
|---|---|---|
| Price | $5,999 | $2,099 |
| Overall score | 8.6 | 8.3 |
| Type | Full-spectrum (3-in-1) | Far-infrared |
| Heater power (kW) | ~1.8 kW | ~0.6 kW |
| Max temperature (°F) | ~170 °F | 150 °F |
| Capacity (persons) | 1–2 persons | 1 person |
| Voltage | 120V (1–2p) | 120V |
| Amperage (A) | 15 A | 15 A |
| Wood | Basswood / eucalyptus | Fabric dome |
| Warm-up time (min) | ~15 min | ~30 min |
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Sunlighten
Best for The most capable app-driven full-spectrum infrared
Sunlighten
Best for Apartments and small spaces with no room for a cabin