Carrier residential gas furnaces are engineered, built, and rigorously tested to achieve an average expected operational lifespan of 15 to 20 years, outlasting standard baseline HVAC equipment when properly maintained. Achieving this multi-decade durability relies heavily on scheduling annual professional autumn heating tune-ups, replacing high-efficiency air filters every one to three months to prevent heat exchanger stress, keeping venting flues clear of obstructions, and safeguarding delicate electronic control boards against severe electrical surges.
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