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Some of the reasons a chimney damper won't close properly include shoddy installation, age-related damage, or heavy snow or ice affecting a top-sealing type. Poor chimney maintenance and a buildup of rust, debris, or creosote can also cause dampers to jam. Annual inspections and chimney sweep costs are worth it to help you avoid a damper disaster. 

A gas fireplace insert costs about $3,600 to install, on average. The cost to install a gas log insert ranges from about $700 to $6,500, depending on the size, type of insert, how it works, and heating needs. Gas fireplaces need electrical and gas lines installed properly, so hiring a pro is recommended rather than trying to DIY installation.

The best location for a wood stove depends on your home's layout and venting options. For optimal heat distribution, a central location on the ground floor, such as the living room, is often recommended. If you have an existing, functional chimney, installing the stove there can simplify the venting process. Alternatively, placing the stove near an outside wall can make it easier to route a new chimney through the roof. For safety, ensure no combustible materials are near the stove. Building codes typically require 20 to 36 inches of clearance between the stove and any side walls.

A well-constructed and regularly maintained brick chimney can last 50 to 100 years, potentially spanning multiple generations of homeowners. The exact lifespan depends on the quality of construction, materials, local environment, and maintenance. In contrast, a metal chimney typically lasts 15 to 20 years. While the main structure is durable, individual components have shorter lifespans and require more frequent replacement. For example, mortar may need repointing every 20 to 30 years, chimney crowns last 50 to 75 years, and liners can last anywhere from 15 to 50 years depending on the material (e.g., stainless steel vs. cast-in-place).