Most householders consider a damaged furnace as one which stops functioning, however that’s not at all times the case. Along with mechanical failure, there can be delicate indications that restore is in a furnace’s future, that the unit is definitely damaged however nonetheless seems to be functioning. In case your furnace shows a number of of the indicators beneath, it is best to contemplate it as an indicator that it could want restore, and schedule an appointment with an HVAC technician as quickly as doable:

The Unit Makes Uncommon Noises

No furnace is totally silent. For those who hear uncommon banging, whining, or groaning noises emanating out of your furnace, it could be an indication that it has issue igniting, has a free belt, or has a worn out half that can quickly break. If the noises are brought on by one thing else, it’s possible you’ll have to name Ghostbusters as an alternative of an HVAC firm.

You Must Set Your Thermostat Larger than Regular

When a house stops heating nicely, the response of most owners is to lift the thermostat setting. As the issue grows worse, although, even the very best setting can fail to ship heat. Earlier than your house reaches this level, have a furnace repair pearland technician carry out an inspection. The issue could also be a defective thermostat, an issue with an intermittent pilot ignition system, and even leaky ductwork.

Your Vitality Payments are Inordinately Excessive

In case your electrical payments are excessive this winter, it could be as a result of your air distribution fan is not going to kick off, or since you increase the thermostat setting to compensate for an absence of warmth. It may be that your furnace performs inefficiently attributable to a clogged air filter or leaky ducts. As a substitute of paying a utility invoice that matches your mortgage cost, name a restore technician as an alternative.

The Pilot Gentle is Yellow

For those who examine your furnace and spot that the pilot mild is yellow, it could point out the presence of carbon monoxide. A blue flame signifies the fuel combination is regular; a yellow flame signifies it isn’t. If carbon monoxide is detected, the technician can decide whether or not your HVAC tools or your house is the supply of the issue.

The Unit has Hassle Kicking On or Staying On

In case your furnace takes a very long time to kick on, or it kicks on as ordinary but it surely doesn’t keep on, a damaged thermostat, defective wiring, or a pilot mild ignition drawback could possibly be in charge. There may be an issue with the distribution fan motor. Like the opposite issues on this listing, a furnace that has bother kicking on often will get worse over time.


The necessity for furnace restore often happens on the most inopportune time-when your furnace is busy heating your house. Ann Atlanta heating and air-con firm that focuses on HVAC restore ought to give you the option diagnose and repair the issue rapidly. For householders, the hot button is to acknowledge indicators that point out a furnace wants restore, and schedule an HVAC inspection earlier than it stops working.