A capacitor is a small cylindrical device inside your air conditioning unit that supplies and stores electrical energy. Step 3. The capacitor leaks oil. Fortunately, these parts are relatively inexpensive to have replaced, so even if your capacitor wears out before your air conditioner does, it won’t break the bank. Is it an easy fix? Step 5. The air conditioner’s compressor, blower motor, and fan motor all rely on the compressor (or compressors, depending on your air conditioner) to … There are a few factors that play heavily into the lifespan of your capacitors, though. Type of ServiceAC ServiceAC InstallationAC MaintenancePlumbingOther, License #: CAC045862, CFC1426106, ER0011787, Humming sound coming from your air conditioner, Common Thermostat Issues That Can Cause HVAC Problems, AC takes a while to start once you turn it on. We recommend keeping the area around your AC clean and shaded, if possible. If you’re replacing your AC capacitor yourself, you’ll need to select the right replacement. A central air conditioner capacitor stores an electrical charge then releases it to start and run the compressor in the central air system’s condensing unit. This website uses cookies to ensure you get the best experience on our website. The air conditioner capacitor starts the various air conditioner motors and keeps them going by building up a store of electricity that can be used to provide continuous power. Regular maintenance and replacement of each is paramount to ensure good cooling and a high quality of air, free from dirt, debris, bacteria, pollen, allergens etc. This category only includes cookies that ensures basic functionalities and security features of the website. As you can guess, a failing capacitor can result in detrimental effects for your air conditioner. The capacitor is just one component that makes up an air conditioning system. We’ve been in business for more than four decades and pride ourselves on providing South Florida residents with the best in HVAC services and customer care. This is why there are so many DIY websites and YouTube videos. Without a properly-working capacitor, your system won’t be able to function as it should. While your air conditioner is running, the capacitor collects and stores energy; in short, it’s like a rechargeable battery. That's how you know you need a new AC capacitor. Remember, we don’t charge weekend fees or add trip charges to your bill, and we’ll come out when it’s convenient for you. The voltage rating does not have to be identical to your current capacitor, but the microfarad will need to match. They are used in various circuits for different purposes. A capacitor is a piece of electrical equipment that stores energy. While your air conditioner is running, the capacitor collects and stores energy, similar to a rechargeable battery. Homeowners can resolve some air conditioning problems with a quick DIY fix or repair. When the air conditioner needs to come on, the capacitor sends a high-voltage jolt (upwards of 400 … Shut off the power to your air conditioning system at the breaker panel. All capacitors have a voltage rating, which informs air conditioner technicians which capacitor is right for that unit. This small but mighty piece is a true workhorse, and like all parts of an air conditioning system, isn’t prone to malfunctioning. A capacitor is a small cylindrical device inside your air conditioning unit that supplies and stores electrical energy. If your air conditioner is refusing to start, running with little enthusiasm, making weird noises, or just isn’t cooling right, give Precision Air a call.