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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).

Pellet stoves are much more energy efficient than traditional fireplaces, and the pellets they burn create fewer emissions, leaving indoor and outdoor air cleaner. Plus, the biomass pellets are made from recycled materials, making them even more eco-friendly. You can also adjust the temperature of a pellet stove and go about most of your day without needing to tend to it.

Yes, you should seal and cap an unused chimney to protect it from damage. Sealing the structure helps prevent moisture damage, which can lead to issues like cracks, spalling, efflorescence, and damaged mortar joints. Capping the chimney is also crucial to prevent blockages, damage from invasive critters, and downdrafts, while still allowing for proper air ventilation to manage moisture. For the best results, consult a chimney professional to select the right type of chimney or flue cap for your home. It's also wise to continue with annual chimney inspections to maintain the structure's integrity.

Your fireplace flue is open when the chimney is unsealed and open to the outside air and sky. That’s why one of the best ways to figure out if your flue is open is to visually check for daylight inside of your chimney—or to feel for a draft, which may be generated by the difference in temperatures inside and outside of your home.