Red Seal diagnostics for packaged RTUs: compressors, refrigerant, economizers, controls. Written tally before work starts.
- Diagnostic $275-$425 business hours, written tally pre-work
- Compressor repair / replace $2,400-$5,600
- Refrigerant leak search + recharge $850-$2,800 (R-410A $85/lb)
- Economizer + controls diagnostic $450-$900