Most furnaces last . To decide between repair and replacement, use this common industry formula: The Repair/Replace Formula :
This provides the essential information needed to select a reliable and energy-efficient heating system for your home. 1. Know When to Replace furnace buying guide
: Still used in some regions, though less common than gas or electric. 3. Evaluate Efficiency (AFUE) Most furnaces last
If the result is greater than the cost of a new unit, it is typically more cost-effective to replace. Choose a fuel based on your local availability and budget: furnace buying guide
: Suitable for warmer climates or homes where the furnace is used less frequently.