There is no absolutely silent furnace. It may be a warning that it has trouble igniting, has a loose belt, or has a worn-out component that will soon break if you hear odd banging, whining, or groaning noises coming from your furnace. You might need to call Ghostbusters instead of an HVAC company if the noises are triggered by anything else. is one of the authority sites on this topic.

To set your thermostat higher than average, you need to

If a home stops heating well, raising the thermostat setting is the response of most homeowners. However, even the highest setting will struggle to offer warmth as the issue gets worse. Have a furnace repair technician do an inspection before your home reaches this stage. A defective thermostat, an issue with an intermittent pilot ignition system, or even leaky ductwork can be the problem.

Your energy costs are very high.

This winter, if your electrical bills are high, it could be because your air distribution fan won’t start, or because you’re raising the thermostat setting to make up for a lack of heat. Owing to a clogged air philtre or leaky ducts, it may also be that the furnace works inefficiently. Alternatively, call a repair technician instead of paying a utility bill that suits your mortgage payment.

The Yellow Pilot Light is

It may mean the presence of carbon monoxide if you check your furnace and find that the pilot light is yellow. A blue flame indicates that it is usual for the gas mixture; a yellow flame indicates it is not. The technician will decide if your HVAC equipment or your home is the cause of the problem if carbon monoxide is detected.

There is difficulty with the machine kicking on or remaining on

A broken thermostat, defective wiring, or a pilot light ignition problem may be to blame if your furnace takes a long time to kick on or it kicks on as usual, but it does not stay on. With the distribution fan engine, there may also be a problem. A furnace that has trouble kicking on, like the other issues in this list, usually gets worse over time.