It’s the hottest day of the year, and your air conditioner is making a faint humming sound, but the fan isn't spinning. You might be bracing for a multi-thousand-dollar repair bill, but the culprit is often a single, relatively inexpensive component: the .
When buying a replacement, you don't need to match the brand, but you match the electrical specifications. Look for these three things on your old capacitor's label: Microfarads ( μFmu cap F What are the Symptoms of a Bad AC Capacitor? buy hvac capacitor
: A bulging or "mushroomed" top is a dead giveaway that the internal fluid has expanded. It’s the hottest day of the year, and
This guide covers everything you need to know about buying the right replacement part to get your cooling system back online safely. 1. Do You Actually Need a New Capacitor? Look for these three things on your old
The Ultimate Guide to Buying an HVAC Capacitor: Don’t Let a $20 Part Stall Your AC
Before you head to the store, confirm that the capacitor is the problem. Capacitors typically last . Look for these "red flags":
: If your outdoor fan isn't spinning but you hear a hum, try pushing the fan blade with a wooden stick. If it starts spinning and stays running, your capacitor is almost certainly dead.