The average lifespan of a Bryant furnace ranges between fifteen and twenty years when the system receives proper installation, adequate airflow, and consistent annual maintenance. Key practices that help a furnace reach the upper end of this lifespan include changing the air blower filters regularly, keeping the venting clear of obstructions, and scheduling professional tune-ups before winter. The primary component governing ultimate longevity is the heat exchanger, which is protected under long-term manufacturer warranties on higher-tier models. Neglecting routine upkeep can cause premature wear on the inducer motor, electronic control board, or igniter, eventually requiring a full system replacement.
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