Unusual sounds or smells normally sign the necessity for HVAC maintenance company. Rattling may perhaps suggest loose panels, squealing can level to a belt or motor issue, banging could be linked to the blower or ducts, grinding suggests worn bearings, clicking could signal electrical faults, and hissing can suggest refrigerant https://scrapbookmarket.com/story20928248/the-best-side-of-hvac-repairs