How to Tell Your Heating and Cooling Service Provider What Sound Your System is Making Posted May 4, 2017 Your system has a collection of sounds that it regularly makes. All in all, they should fade into the background. If your system is making unusual or disruptive sounds, you likely need to call in a certified technician for a service session.Listen hard to the sounds you’re hearing, switch off your system and call in professionals like Rescue Heating & Air . Your system might simply have a disconnected part. The noises could also be an sign that larger repairs are needed. If you know how to define the sounds your system is making, you can help your service technician create a solution.Here are some familiar 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 carefully. This is normal. However, if you hear this sound again and again, 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 altogether broken or disconnected. Routine maintenance can prevent some of these noises from ever beginning. If you schedule maintenance appointments with Rescue Heating & Air , we can find and repair potential problems before they can get worse. Give us a call at 361-265-4371 or use our convenient online scheduler to make your appointment.