Why AC Capacitors Really Fail — What Most Techs Never Explain

Your AC capacitor is one of the most common failure points in the entire HVAC system—yet most homeowners are never told what it does, why it fails, or how to recognize the real symptoms. In this video, HVAC Intel breaks down the three types of capacitors, how they interact with your motors, what causes them to degrade, and how companies sometimes misdiagnose or oversell them. This is a clean, educational guide designed to help homeowners understand their system, avoid unnecessary replacements, and recognize early signs of capacitor issues before they become expensive failures. Topics Covered: • Dual-run vs single-run vs start capacitors • Early symptom breakdown • Why heat and voltage spikes destroy capacitors • How misdiagnosis happens • When a capacitor is truly bad • How proper microfarad ratings protect your system Follow for more tactical HVAC knowledge. #acrepair #hvac #ac #homeowners #homeimprovement #airfilter #homemaintenance #furnace #coolingtips #capacitor #capacitors #capacitorac