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Yes, a chimney damper is necessary. It controls airflow in and out of your fireplace, helping to retain heat when closed and allowing smoke to escape when open. Without a damper, your home could lose warmth during cold months, leading to higher energy bills. It also helps prevent downdrafts and keeps animals or debris from entering the chimney. In short, it’s essential for efficiency and safety.

According to the National Fire Protection Association’s Code NFPA 25 (titled “Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems”), private fire hydrants must undergo inspection once per year, with an accompanying flow test and any necessary maintenance performed on the same schedule. Keep in mind that your town, city, or county may adopt more or less strict testing requirements. 

Certified fire door inspectors should inspect fire doors. These professionals receive training to specifically assess the condition, functionality, and compliance of fire doors. They often hold credentials from groups like the Door and Hardware Institute (DHI) or the International Fire Door Inspector Association (IFDIA). While fire marshals won’t usually do hands-on inspections, they’ll check that doors are being maintained properly during routine safety audits. If a building relies on fire doors for code compliance, it needs someone who understands the details—the difference between a cosmetic issue and a safety failure—and standards to sign off with confidence.

A chimney requires both a cover and a cap, but these parts often get confused with one another. A chimney cover seals the top of the chimney around the flue pipe to prevent water from entering the chimney. A chimney cap is a piece that sits above the flue to prevent animals, debris, and water from entering the flue.