The $5000 Emergency Threshold Separates Immediate Repair from Total System Replacement

https://precisionhvacdiagnostic.lowescouponn.com/throughout-your-hvac-system-s-15-to-20-year-lifespan-know-when-to-repair-or-replace

The $5000 rule for HVAC is a critical emergency go-no-go threshold: if repair costs reach or exceed half your system's remaining useful life value, immediate intervention becomes a safety and financial decision point