Have you recently had a new furnace set up and are now noticing a weird smell? You’re not alone, because plenty of other homeowners also experience this at first. Let’s review what’s causing this smell, and when you can expect it to go away, as well as three other furnace smells you shouldn’t neglect.

Why Your New Furnace Smells

There are two factors why a new furnace might smell.

Protective Finish

Your furnace has a special finish on some parts to keep them from rusting. This may include the heat exchanger, which safely removes gases like carbon monoxide naturally produced during the heating process.

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

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

Dust

Dust collects inside your furnace when it’s off in the spring and summer. That dust will burn off when you turn on your furnace in the fall, producing a burning smell. This smell should go away within a few minutes.

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

3 Other Furnace Smells You Shouldn’t Disregard

While it’s less common for a new system to necessitate furnace repair, it happens. Here are three other odors 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 difficulties. Electrical wiring is coated in plastic to protect against shocks, and this smell is a sign that heat is melting this precautionary coating. To prevent a fire, switch off your furnace right away and have it examined out by an HVAC technician.
  2. Gas or rotten eggs. Gas companies add sulfur to natural gas to alert you when there’s a leak. If your furnace smells like gas or rotten eggs, shut it off right away, get out of your home and dial 911. Exposure to natural gas can make you unwell, 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 recommend having your ductwork inspected and cleaned if needed.

Now that you know which furnace smells are normal and which ones aren’t, you’re prepared to take care of your new heating system. If you have concerns about a strange odor, our GV Heating & Air HVAC technicians can help you. Contact us at 763-535-2000 to schedule your appointment now. We provide quality, affordable furnace repair in Crystal and Twin Cities and surrounding areas.