Question 13 Answer:
Download Residential Commercial Energy Carbon Calculations document
Question 15 Answer:
| Initial cost (Fitting included) | 5 years | 10 years | 15 years | 20 years | 25 years | 30 years | |
|---|---|---|---|---|---|---|---|
| High end salt-softeners (including monthly salt costs) |
£1,700 | £2,040 | £2,380 | £2,720 | £3,060 | £5,100* | £5,440 |
| Halcyan | £897 | £897 | £897 | £897 | £897 | £897 | £870 |
| Premium Conditioners (sacrificial anode) |
£625 | £625 | £1,250* | £1,250 | £1,875* | £1,875 | £2,500* |
| Basic Conditioners | £199 | £199 | £398* | £398 | £597* | £597 | £796* |
| Inhibitors | £155.09 | £155.09* | £310.18* | £465.27* | £620.36* | £775.45* | £930.54* |
| * Replacement unit and installation cost | |||||||
Question 17 Answer:
Question 25 Answer:
Download Halcyan Perth Housing Authority Case Study document

