The answer to 'lifespan of ceiling fan' is that with proper maintenance, a well-made ceiling fan can last 10-20 years or more. Ceiling fans are designed to run continuously for long periods, but their lifespan depends on factors like usage, environment, and care. High-quality fans from reputable brands tend to last longer than cheaper models.
To maximize the lifespan of your ceiling fan, make sure to clean the blades and motor regularly, lubricate moving parts, and check for any loose or worn components. Replacing the fan's light bulbs and pull chains as needed can also help extend its useful life. If you experience any issues like unusual noises or decreased airflow, it's best to have a professional electrician inspect and service the fan to prevent further damage.