Between Repair Costs and Replacement Value, The $5,000 Furnace Decision Point

https://precision-anytime-hvac.cavandoragh.org/standard-warranty-coverage-benchmarks-determine-your-hvac-system-s-useful-life-and-protection-duration

The $5,000 rule is a repair-cost threshold that guides the repair-versus-replace decision for aging furnaces: if annual repair costs approach or exceed $5,000, or if a single repair tops one-third of replacement cost, replacement often delivers better