Regardless of whether you have an electric furnace or a natural gas furnace, electricity still plays a part in its operation: in order for the heated air to move around your home’s ductwork, blower fans need to operate. These fans require motors, and they in turn require electric capacitors to start them and keep them running. Older furnaces use separate start and run capacitors, but contemporary models instead have permanent split capacitors motors that handle both, which makes them simpler to repair should problems develop.
If your capacitor suffers damage—from dust or debris, loose components, or overwork—it will threaten to shut down your furnace’s fans and therefore its ability to keep you warm. There are some ways to know if you have a damaged capacitor that will need professional replacement.
Contact Ultimate Air when you require quality furnace repair in Sarasota, FL. We are a small, family-owned company that offers personal service that will keep you coming back to us for all your home comfort needs.
The clearest sign of a problem with a furnace capacitor is when the blower fans stop running. If your furnace comes on, but no air blows through the vents and you don’t hear the noise of the fans, then the trouble is either a burnt-out motor or a damaged capacitor. If you detect a humming noise when the fans are supposed to turn on, it is another indicator that the trouble lies with the capacitor.
The capacitor can give off signs before dying entirely. One of them is a clicking noise as the furnace is starting up. Another is an acrid and burning smell coming from the vents, indicating wiring trouble within the capacitor (it may also be from the motors or an accumulation of dust along the burner, so make sure you have professionals help make the diagnosis).
You should never open up your furnace cabinet’s front-panel door and attempt to inspect the capacitor or perform repairs yourself. There is a danger of a carbon monoxide leak with a gas furnace, and no matter the furnace type you will run the risk of electrical shock when dealing the capacitor. You do not want to risk putting the wrong capacitor in as a replacement. And if your furnace has both a run and a start capacitor, you may not know which one to replace. Call on professionals for this work.
Since 1959, Ultimate Air has done furnace repair in Sarasota, FL that has kept our customers safe and comfortable through the colder weather. Make us your first call when you need to replace that capacitor.