When your heating, ventilation, and AC systems have failed, reputable contractors can surely restore them to tiptop shape. On the other hand, constantly hiring contractors for minor repairs could wreak havoc on your budget. To cut back on costs, it would be wise to arm yourself with the basics of troubleshooting HVAC.
When the system shuts down
If you feel that your heater or AC fails to deliver the usual volume of air, then the system must have deteriorated. To diagnose the problem, see if the thermostat or the battery needs replacement. The problem could have also been triggered by a blown fuse so it’s best not to miss out on the main power panel.
Fuel is down
Traditional HVAC units are typically powered by gas and oil. When there is insufficient supply of fuel, the heating or AC unit will become inefficient. Check the gas lines of your furnace to ensure that the fuel flows freely. If something is blocking the pathway of the fuel, seek the services of an experienced repairman.
Check service door
The safety switches of indoor furnaces and AC units are placed on their service doors to make the operation a lot easier. Essentially, the system automatically shuts down if the door is opened. If you feel that there is not enough airflow, check if you have unknowingly opened or loosened the service door.