After a few decades of consistent use, your home HVAC system can start to show signs of wear as its efficiency begins to decrease. Typically, a furnace will last between 15 to 20 years before it needs ...
AI-generated summary reviewed by our newsroom. Read our AI Policy. Furnaces typically fail after 15-20 years; schedule replacement before winter peak. Gas units cost $3,000-$8,000 and offer lower ...
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