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 normally makes. All in all, they should fade into the background. If your system is making strange or disruptive sounds, you likely need to call in a professional for a service appointment.Listen thoroughly to the noises you’re hearing, shut off your system and call in pros like Morgner Inc. Air Conditioning & Heating. Your system could simply have a disconnected item inside. The noises could also be an sign that major repairs are required. If you know how to describe the sounds your system is making, you can help your service technician figure out a solution.Here are some familiar sounds that imply 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 frequently, you likely need a heating and cooling service appointment to find 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 piece. Strong banging or thumping sounds could mean a piece of your system is completely broken or disconnected. Routine maintenance can prevent some of these noises from ever appear. If you schedule maintenance appointments with Morgner Inc. Air Conditioning & Heating, we can point out and repair potential problems before they can get worse. Give us a call at 314-262-4541 or use our convenient online scheduler to make your appointment.