5. Strange noises or odors Unusual sounds like banging, clanging, or hissing coming from your HVAC system are often a sign of problems. Similarly, persistent odors can be a warning sign – whether it's ...

TAMPA, Fla. (WFLA) — HVAC technicians are in overdrive this week as calls for service continue to climb. Bitter cold temperatures are blanketing Tampa Bay this week, but some are facing ...