Visit Your URL it's got a malfunctioning compressor, a vibrating unfastened portion, or bees Within the air ducts. You have to let a technician Look at the system and repair the HVAC. ✅ ELECTRICAL Trouble: Clicking can reveal an electrical problem linked to the HVAC, which causes the relay to stop Performing correctly.This will signal a foul admirer belt within the blower. Whether it is, that belt must get replaced. The audio also could possibly indicate the motor needs lubricant—which you might or might not be capable to do yourself according to the furnace make and product.Another common HVAC check this site out noise is rattle. This could mean that your compressor is failing. In addition, it could a pulley with failing bearings. Or it could be a worn-out compressor clutch. Any person of these issues warrants the attention of an HVAC technician.