Business Case for HPWHs - Level 3.1

1)    Name two reasons for potential reasons for customers being dissatisfied with the level of hot water delivery:

2)    How would you inform a client that their HPWH will make a noise they are not accustomed to without alarming them and have them decide not to purchase the unit?

3)    What are possible methods to avoid the possibility of receiving cold air complaints from customers?

4)    What is the only type of recirculation control to use with HPWH?