If the situation isn't an emergency, online retailers offer the best prices and selection:

Websites like RepairClinic , SupplyHouse.com , and Parts Town allow you to search by your AC unit’s model number, ensuring you get a part that is guaranteed to fit. 4. Local HVAC Companies

Before buying, you must identify whether you need a or a run capacitor (or a "dual run" capacitor) and match the µF rating and Voltage exactly. Always discharge the old capacitor before handling it, as they can hold a lethal electrical charge even after the power is turned off.

Finding a replacement HVAC capacitor is relatively simple once you know the exact specifications required. Because these components are essential for starting and running your air conditioner’s compressor and fan motor, they are widely available through several different retail channels. 1. Local Hardware and Home Improvement Stores