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:

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Question 25 Answer:

Download Halcyan Perth Housing Authority Case Study document

 

Question 27 Answer:
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