Under normal operation, heating systems emit a steady and continuous hum. Sometimes, however, it may make noises that could indicate problems which shouldn’t be ignored. Amber Air Conditioning shares a list of common heating system noises and what they mean. Creaking and Popping – This usually happens when you’re starting up your heating system for the first time of the year. The temperature differences as the heating system starts up cause expansion and contraction in the pipes, resulting in creaking and popping sounds. As the temperatures normalize, these sounds should stop. On the other hand, persistent creaking and popping should be inspected by a heating and air conditioning professional. Buzzing – This is common with fuel-based heating systems. There are many reasons your heating system would start buzzing, and depending on the source, some of them can indicate a problem. For instance, if the control unit is buzzing, it could mean that the voltage transformer […]