FAQs • Algonquin-Lake of the Hills FPD, IL • CivicEngage

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How long does a smoke detector last?: Typically a smoke detector will last 6-8 years. Check the back of your smoke detector to find the manufacturing date.

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Fire Prevention

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1. How long does a smoke detector last?: Typically a smoke detector will last 6-8 years. Check the back of your smoke detector to find the manufacturing date.

2. What is ALFPD’s ISO Rating, Class 3.: What does this mean? This is an insurance rating used to determine the premium for fire insurance on your place of residence or your building used for a business. ISO analyzes the relevant data and assigns a number from 1 to 10. A Class 1 generally represents superior property fire protection, and Class 10 indicates that the area's fire suppression program does not meet ISO's minimum criteria.