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10 Warning Signs Your Furnace Is Failing

Retire YOUR Furnace
January 12, 2018

Whether you’re a brand-new homeowner or you’ve owned one for years, you should always keep tabs on the appliances working in your home.  No matter where you may have settled down to live, chances are that you will need to check your furnace regularly for proper performance. An old furnace that has gone unchecked for awhile can lead to a variety of problems in your home, especially when the colder months come. A furnace that’s gone too long without some TLC can send high utility bills your way, as well as costly repairs! You should replace your furnace before it’s too late, it will give you peace of mind knowing that your heat will be reliable and consistent. Here are 10 signs that your furnace may show to let you know that it needs to be replaced:

Scary Sounds

It’s rare for a furnace to be completely silent, especially as it gets older. If you notice that it starts to make louder, scarier noises out of nowhere, your furnace needs to be repaired. Any loud groans, bangs, or whistles are out of the norm and should be assessed by a professional. It’s highly likely that something may have loosened or detached within your furnace – this can cause further damage if left alone. If you have already paid for several repairs, then you should seriously consider replacement.

Thermostat Inconsistencies

When you feel chilly in your home, your natural reaction is to turn up the thermostat until the heat reaches your desired temperature. Lately, however, it just doesn’t seem to work the way that you want it to. This can be especially troubling during the colder months! It’s possible that you may have leaky ducts, or that your thermostat may be broken. It’s also possible that there are issues going on in your furnace.

Your Electric Bill Increases

You can save money by keeping a close watch on your electricity bill. If you notice that youre paying more than usual, or that your bill has skyrocketed out of nowhere, it’s likely that your furnace isn’t working properly. An old or worn-down furnace needs more electricity to function. In return, this increase can put a dent in your wallet.

Yellow Pilot Light

One of the most important things you can do on your own for your furnace is to check your pilot light regularly – the flame should always be blue. This color means that your furnace is working properly and that the gasses inside of it are synched in perfect balance. if you ever see that the color of your pilot light has changed, specifically if it turns yellow, you should contact emergency services immediately. This means that carbon monoxide is leaking into your home; a potentially deadly situation.

Start-Up Problems

Your furnace should turn on when you want it to, and it should be able to stay on! Heating consistency is crucial during the fall and winter months. Problems can range from faulty wiring to a broken fan motor, but should be assessed by a professional in order to keep you warm and safe.

Respiratory Problems

When your furnace needs work, you may notice an increase in breathing problems throughout your home. it’s possible for dust, mold, and other pathogens to enter your air supply and circulate through your home. This can worsen asthma symptoms, and cause other chest related illnesses. The air quality in your home is extremely important, and you should have it fixed as soon as possible.

Hot and Cold Spots

If certain areas of your home feel especially drafty, or some rooms are much cooler than others, your furnace isn’t working as efficiently as it should be and is no longer capable of heating your entire home. if you notice that ice has formed on your roof, it could mean that heat is escaping through your attic instead of circulating through your home. A professional tune-up may be able to help the problem

Air Condensation

Air condensation isn’t an immediate cause for concern, but may lead to repairs down the line. It’s best to allow no more than two minor furnace issues in succession before you schedule maintenance.


The older your furnace is, the more likely it is that it will need replacement. A furnace can last for 10-20 years, and routine servicing throughout will help it live longer. If you’ve had your furnace for over 15 years already, you should begin looking into replacements. A newer model will be more reliable and energy efficient for your home.

Unusual Odors

When your turn your furnace on for the first time in a while, you may smell gas or oil. Don’t panic – this is just a sign that it’s warming up. If it happens after a few consecutive uses, then something isn’t working properly. Contact a specialist right away to diagnose the problem, as strange odors may be more serious than you think. If oil or gas is leaking, it’s a fire hazard.