Service call costs rise sharply once equipment surpasses 12-year reliability threshold

https://precisiontrainedhvac.wpsuo.com/insurance-rarely-covers-hvac-repair-when-a-single-component-fails

The average HVAC service call in Sacramento costs between $75 and $150 for diagnosis, but that initial fee only scratches the surface—the true cost depends entirely on your equipment's age and remaining service life