| Model Type | Coil Area (m²) | Difference Compared to Standard |
|---|---|---|
| Unistor Standard | 1.8 | — |
| Unistor Plus (Internal Expansion) | 2.6 | 40% more |
| Unistor Pure (External Expansion) | 2.6 | 40% more |
Information is guidance only; repairs require qualified professionals. Affiliate links may earn us commissions at no extra cost. Do your own due diligence; we accept no liability.