Manufacturer coverage determines whether repair or replacement suits devices reaching 15-20 years
Most HVAC systems last 15 to 20 years, but warranty status—not age alone—drives whether repair or replacement makes sense. Understanding what your manufacturer covers, when coverage expires, and how to verify it protects your investment and helps you avoid unexpected costs when problems arise. Does manufacturer coverage matter more than equipment age when deciding between repair and replacement? Warranty protection is the first thing homeowners should check before decid