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| Table 1: Price comparison based on sensible cooling capacity | |||||
| Nominal cooling (kW) @ 27ºC | Total cooling (kW) @ 22ºC | Sensible heat ratio | Sensible cooling (kW) @ 22ºC | Cost of supply (£) | |
| SC: A | 3·9 | 0·92 | 3·6 | 2072 | |
| Split: A | 6·5 | 6·2 | 0·65 | 4·0 | 1221 |
| SC: B | 5·4 | 0·89 | 4·8 | 2524 | |
| Split: B | 7·1 | 6·6 | 0·73 | 4·8 | 1868 |
| SC: C | 7·6 | 0·86 | 6·5 | 2592 | |
| Split: C | 11·5 | 10·8 | 0·57 | 6·2 | 2810 |
| SC: D | 9·2 | 0·87 | 8·0 | 2956 | |
| Split: D | 10·0 | 9·3 | 0·76 | 7·1 | 2181 |
| Table 2: Installation cost comparison | ||||
| Sensible cooling capacity (kW) | Installation cost (selected pipe runs) | |||
| 20 m | 40 m | 60 m | ||
| SC: B | 4·8 | £840 | £1,000 | £1,360 |
| Split: B | 4·8 | £900 | £1,085 | £1,420 |
| SC: D | 8·0 | £870 | £1,055 | £1,415 |
| Split: D | 7·1 | £925 | £1,140 | £1,525 |
| Table 3: Energy consumption cost comparison | |||||
| Sensible cooling (1) @ 22ºC | Total absorbed power (2) (kW) | Effective cop (1) ÷ (2) | Absorbed energy per annum (kWh) | Annual energy cost (4p/kWh) | |
| SC: A | 3.6 | 1.1 | 3/4 | 9198 | £368 |
| Split: A | 4.0 | 2.4 | 1·7 | 20 761 | £830 |
| SC: B | 4.8 | 1.5 | 3·1 | 13 490 | £540 |
| Split: B | 4.8 | 2.5 | 2·0 | 21 462 | £858 |
| SC: C | 6.5 | 2.3 | 2·8 | 20 148 | £806 |
| Split: C | 6.2 | 2.6 | 2·4 | 22 776 | £911 |
| SC: D | 8.0 | 2.7 | 3·0 | 23 652 | £946 |
| Split: D | 7.1 | 3.4 | 2·1 | 29 434 | £1,177 |
| Table 4: Footprint comparison based on sensible cooling capacity | |||
| Sensible cooling capacity (kW) | Width (mm) | Depth (mm) | |
| SC: A | 3·6 | 450 | 550 |
| Split: A | 4·0 | 1042 | 190 |
| SC: B | 4·8 | 450 | 550 |
| Split: B | 4·8 | 1570 | 200 |
| SC: C | 6·1 | 450 | 550 |
| Split: C | 6·2 | 1570 | 200 |
| SC: D | 7·4 | 700 | 550 |
| Split: D | 7·1 | 1570 | 200 |