If you hear clicking, it could be the capacitor in your system is failing
It’s important to pay attention to the sounds that your Heating plus A/C system makes. You want to know how your Heating plus A/C system is supposed to sound when it’s operating always. You also want to be able to tell if your Heating plus A/C system is making strange noises that it is not supposed to be making. These noises sometimes can be harshly irritating, however don’t ever choose to ignore the sounds! A soft humming noise is usually a respected sound that an Heating plus A/C system should be making, plus the sound of the air moving through the Heating plus A/C vents. If there is a loud humming though, you might be having some sort of issue with a circuit breaker being overloaded or loose wiring anywhere in your system. If you start hearing rattling noises, it could be a number of things. You might have loose debris moving around in your system. You will need to shut off your Heating plus A/C system power plus check to see if you can find the debris. You will want to make sure there is no disfigure to the inner workings of your Heating plus A/C system as well. If you are not able to find the source of the debris, it’s best to have an Heating plus A/C professional come in to service the issue for you. If you hear any hissing sounds, there’s a superb occasion you have a rip in your air duct or the seal is compromised. You will want to call an Heating plus A/C professional to have your air duct resealed if this is the case. If you hear clicking, it could be the capacitor in your system is failing. If you hear a whistling noise, it could be a refrigerant leak. For most of these concerns, it’s important to get a hold of Heating plus A/C professionals for assistance.