Questions, answers and advice for people who own or work on houses built during the 20th century.
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One of my friends has a house that was built long ago by his dad. The house is around 20 years old. Being an old house the house has no security system. Last day when we met he said that he's planning to install alarm monitoring systems for the house. He asked me a few of his concerns regarding the security system installation which I would like to share it. Since the wiring is old, should it be changed for installing a security system? How long will it take to install the security system? For how long will it last? Please share your thoughts. TIA!