Airflow Balancing Measurement Reveals Why HVAC Repair Costs Vary So Widely

https://precisioneverydayhvac.tearosediner.net/manual-j-calculations-add-10-years-to-unit-lifespan-through-accurate-sizing

HVAC repair costs range from $75 for a diagnostic to $4,000 for a compressor replacement, and the variation depends largely on how the system is evaluated