 Foul Odors - foul odors, dust, stale air due to lack of proper air exchange | 333 | HVAC |
| Defective Heat Exchanger - harmful carbon monoxide gases are no longer being filtered from the systems airflow | 154 | HVAC |
| Inefficient Airflow - Low air flow due to clogged filters and smaller size ducts | 143 | HVAC |
| Dirty or Clogged Filter - air cannot get in leading to overheating | 123 | HVAC |
| Damaged Thermostat - leads to system not correctly turning on and off and poor cooling | 122 | HVAC |
| Rattling Noises - buzzing, clanging, or rattling sounds due to worn-out fan motors | 122 | HVAC |
| Ice on Evaporator Coils - caused by refrigerant leaks or lack of air, leading to loss of cooling | 99 | HVAC |
| Refrigerant Leaks - leads to the system blowing warm air and frozen coils | 73 | HVAC |
| Furnace Short Cycling - furnace flame sensor could be damaged, or the furnace could be overheating, triggering the temperature switch | 32 | HVAC |
| Dirty Flame Sensor - causes the furnace not to turn on or turn off prematurely | 25 | HVAC |
Showing 10 Common Problems
