I am about to buy an existing (1991) very expensive home equipped with Quest system. I am concerned about the durability and safety of the system. I have the following questions:
Is any of it been proven OK to use?
If so, how do I tell which is OK to use?
Would the class action include me or is too late for me to join - should I buy the house?
What should I do to protect my investment before I buy the house?
If the house has not had any problems to date, is it likely or a possibility that I ma have problems in the future?