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 normally makes. All in all, they should be easy to overlook on a day to day basis. If your system is making bizarre or disruptive sounds, you should call in a professional for a service appointment.Listen thoroughly to the noises you’re hearing, turn off your system and call in professionals like D & D Heating & AC. Your system could simply have a loose item inside. The noises could also be an signal that major repairs are necessary. If you know how to describe the sounds your system is making, you can help your service technician work out a solution.Here are some familiar sounds that imply a need for heating and cooling service:Repetitive 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 probably 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 means a loose component. Intense banging or thumping sounds could mean a part of your system is completely broken or disconnected. Normal maintenance can prevent some of these noises from ever appear. If you schedule maintenance appointments with D & D Heating & AC, we can point out and repair potential problems before they can get worse. Give us a call at 720-316-1401 or use our convenient online scheduler to make your appointment.