The $5000 Emergency Threshold Separates Immediate Repair from Total System Replacement
https://precisionwarrantyhvac.fotosdefrases.com/single-compressor-upgrades-leave-30-of-homes-with-uneven-temperature-distribution
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