How to Tell Your Heating and Cooling Service Provider What Sound Your System is Making Posted May 4, 2017 Your system has a set of sounds that it usually makes. For the most part, they should fade into the background. If your system is making unusual or disruptive sounds, you probably have to call in an expert for a service session.Listen carefully to the noises you’re hearing, shut off your system and call in professionals like Contra Costa Heating & AC. Your system could simply have a broken part. The noises could also be an signal that considerable repairs are required. If you know how to talk about the sounds your system is making, you can help your service technician work out a solution.Here are some common sounds that indicate a need for heating and cooling service:Repeated clicking—You can hear a clicking sound when your system turns on and off, if you listen well. This is natural. However, if you hear this sound repeatedly, you definitely need a heating and cooling service appointment to check out if it’s a problem with the system’s relay or its electrical control.Rattling, banging, clanking or thumping—Rattling usually indicates a loose component. Strong banging or thumping sounds could mean a piece of your system is completely broken or disconnected. Regular maintenance can prevent some of these noises from ever appear. If you schedule maintenance appointments with Contra Costa Heating & AC, we can find and repair potential problems before they can get worse. Give us a call at 510-343-9841 or use our convenient online scheduler to make your appointment.