The $5000 Emergency Threshold Separates Immediate Repair from Total System Replacement
https://precision-insurance-approved.theglensecret.com/determine-replacement-readiness-by-analyzing-system-age-and-performance-metrics
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