Have you recently had a new furnace installed and are now experiencing an unusual smell? You’re not alone, because plenty of other homeowners also have this happen at first. Let’s review what’s causing this smell, and when you can expect it to disappear, 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 stink.

Protective Finish

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

When your furnace operates for the first couple of times, the coating may emit a burning smell. This is normal and the smell should go away the more your furnace runs.

To be on the safe side, you’ll want to call a heating and cooling company if the smell continues. A burning smell that sticks around can mean the motor has overheated or there’s an electrical problem, among other problems.

Dust

Dust accumulates inside your furnace when it’s not running in the spring and summer. That dust will burn off when you switch on your furnace in the fall, creating a burning smell. This smell should subside within a few minutes.

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

3 Other Furnace Smells You Shouldn’t Disregard

While it’s less common for a new system to necessitate 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 protected in plastic to protect against shocks, and this smell is a signal that heat is melting this precautionary coating. To prevent a fire, turn off your furnace immediately and have it inspected out by an HVAC technician.
  2. Gas or rotten eggs. Gas companies include sulfur in natural gas to alert you when there’s a problem. If your furnace smells like gas or rotten eggs, turn it off immediately, leave your home and call 911. Exposure to natural gas can make you ill, 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 examined and cleaned if necessary.

Now that you understand which furnace smells are normal and which ones aren’t, you’re prepared to take care of your new heating system. If you’re worried about a strange odor, our Phelps Heating & Cooling, Inc. HVAC technicians can help you. Give us a call at 270-358-3167 to schedule your appointment right now. We provide quality, affordable furnace repair in Hodgenville and surrounding neighborhoods.