Have you recently had a new furnace put in and are now noticing an unusual smell? You’re not alone, because plenty of other homeowners also experience this at first. Let’s review what’s creating this smell, and when you can anticipate it to disappear, as well as three other furnace smells you shouldn’t ignore.

Why Your New Furnace Smells

There are two explanations why a new furnace might smell.

Protective Finish

Your furnace has a special application on specific parts to keep them from rusting. This may include the heat exchanger, which safely exhausts gases like carbon monoxide naturally created during the heating process.

When your furnace runs for the first couple of times, the coating may release a burning smell. This is typical and the smell should dissipate the more your furnace runs.

To be on the safe side, you’ll want to contact a heating and cooling company if the smell persists. A burning smell that sticks around can mean the motor is too hot or there’s an electrical problem, among other concerns.

Dust

Dust builds inside your furnace when it’s off in warm weather. That dust will burn off when you switch on your furnace in the fall, making a burning smell. This smell should go away within a few minutes.

One way you can decrease or prevent this smell is by having furnace maintenance done every single year. This is required to keep your valuable manufacturer’s warranty good, plus it keeps your furnace clean and ensures it will run properly during the upcoming heating time of year.

3 Other Furnace Smells You Shouldn’t Ignore

While it’s less common for a new system to need furnace repair, it can happen. Here are three other scents you should keep an eye out for and what they might mean.

  1. Burning plastic or rubber. If your furnace smells like burning plastic, you might have an electrical problem. Electrical wiring is covered in plastic to avoid shocks, and this smell is an indication that heat is melting this preventive coating. To prevent a fire, turn off your furnace immediately and have it checked out by an HVAC technician.
  2. Gas or rotten eggs. Gas companies add sulfur to natural gas to warn you when there’s a leak. If your furnace smells like gas or rotten eggs, shut it off immediately, evacuate your home and dial 911. Exposure to natural gas can make you sick, plus it’s very flammable and explosive.
  3. Musty. If your furnace smells musty, you might have mold and mildew flourishing in your ductwork. We suggest having your ductwork inspected and cleaned if necessary.

Now that you know which furnace smells are normal and which ones aren’t, you’re well-equipped to take care of your new heater. If you’re worried about a strange odor, our Jack's Heating, Cooling, Stoves & Fireplaces HVAC technicians can help you. Call us at 308-321-4703 to schedule your appointment right now. We offer quality, affordable furnace repair in Alliance and surrounding neighborhoods.