6 Furnace Sounds That You Should Never Ignore
Fuel-combusting heaters rarely offer whisper-quiet operation. After months of sitting dormant, the furnace in your Mesa, AZ, home might start up with an audible humming sound. It may even make several banging or clanging noises as your ducting undergoes heat-related expansion and contraction. Many noises are a normal and expected part of furnace operation, especially when they’re unobtrusive and have always been around. However, if you hear metal-on-metal grinding, loud booming, or persistent screeching or rattling, you should turn your furnace off and seek help from a professional. The following are six furnace noises that homeowners should never ignore. 1. High-Pitched Shrieks If you haven’t had your furnace tuned up in a while, there’s a good chance that it has loose, worn, or missing parts. After all, these heaters are subjected to a lot of stress during the heating season. Dramatic temperature fluctuations, constantly moving parts, and fast-moving air all take their toll. When furnaces shriek during their heating cycles, it’s often an indication of: Worn or slipped fan belts Loose or damaged bearings Jammed fan blades Insufficient lubrication During the annual furnace maintenance service, professionals will lubricate all moving parts. They also inspect and replace missing and broken components...
View Article