How Deferred Upkeep Accelerates You Toward the $5000 Replacement Threshold Fast
https://precision-five-star-hvac.theburnward.com/efficiency-assessment-reveals-operating-cost-projections-across-15-to-20-year-lifecycles
The $5000 AC rule is the cost threshold at which repair expenses become so severe that replacement becomes the smarter choice—and skipping maintenance is the fastest path to hitting it