I give them 0 or minus star. The service is extremely poor; even in emergency like leaks they take 4-5 days to send an engineer. They take call-out charges for the second engineer if the first engineer has not resolved your reported issue. Please do not trust them at all. Their policy is not customer friendly; it is just a money-making business. Their service engineers when identify certain problems they say the issue is not covered by the insurance, but they can give a personal quote to work outside of the company's contract. I am going to end the contract with them. If