Quick Answer: Bad Smell When Turning On Heat In House

A burning smell when you first turn your heater on is most likely caused by dust buildup on your furnace. When you turn it on for the first time after not using it for a while, this dust begins to burn off, oftentimes causing a burning plastic smell in the house.

Why does it smell bad when I turn my heat on?

If you smell a dusty or burning smell the first few times you turn on your heat, it’s most likely dust and dirt that’s settled on components inside your heating system throughout the summer. As you fire up the heat, those dust particles burn away, producing a weird burnt/dusty smell.

Why does my house smell like sewer when the heater is on?

Furnace smells like rotten eggs or like a sewer The smell can indicate a failed heat exchanger, especially if you have a high-efficiency furnace. This is a serious problem because a bad heat exchanger can pump unsafe levels of dangerous carbon monoxide (CO) gas into your home.

Why does my heater smell like rotten eggs?

If you detect a sulfuric, rotten egg-like smell coming from your furnace, it is imperative that you act immediately, as you could be dealing with a gas leak. While natural gas is extremely combustible and one of the most efficient fuel sources for a furnace to run on, it is also highly toxic when ingested.

Why does my heater smell like burnt plastic?

Plastic – If your heater smells like burning plastic, the odor will quickly become intolerable. This smell likely means that a foreign object, such as a toy or a humidifier nozzle, has become lodged in the furnace and has been slowly baking away.

Why does my heat smell sour?

Moldy, Damp, or Funky Smell So if you smell a sour, earthy, or otherwise funky odor from your vents or furnace unit, you may have a moisture issue in your system. Moisture is one of a few ingredients that contribute to mold and bacteria growth, the others being darkness, oxygen, and warmth.

Why does my heat smell musty?

If your furnace smells dirty or musty when you turn it on at the start of the cold season, a thorough cleaning may be necessary, along with the possible replacement of some of the duct work or insulation. A musty smell typically indicates mold; however, a buildup of dust may also be the culprit.

Why does my house smell like sewer in the winter?

Most internal home sewer odors come from dry traps. Everything from cracks in the pipes to animals nesting and ice buildup in the vent stacks can cause horrible sewer odors to leak inside and outside the home.

Why does my heater smell like a dead animal?

Many people assume that they have a dead animal in their crawlspace, but it’s more likely that you have an overheated, burning electrical component in your heater. As this is a serious fire hazard, you should shut off your heater and call for heating service.

How do I fix a septic smell in my house?

DIY Shower and Sink Drain Sewer Smell Removal Pour ¼ cup of baking soda into the affected drain. Add one cup of white vinegar. Let the mixture sit for 2-3 hours. Slowly pour a gallon of boiling water down the drain and wait 15 minutes. Run cold water for 10 minutes to help thoroughly rinse the vinegar down.

What does an electrical fire smell like?

Electrical fires tend to smell like burning plastic, so they have a telltale acrid odor. Others say the scent is reminiscent of fish. That said, electrical fires don’t always produce an odor. In that case, you’d have to listen for a buzzing sound or check for a brown outlet cover.

What does a furnace leak smell like?

If you notice a rotten egg or sulfur smell after turning on your furnace, this is a very serious concern. Natural gas is odorless, so a harmless chemical (mercaptan) is added to give natural gas an odor, so you can easily detect a gas leak. Most people would describe the odor as smelling like rotten eggs or sulfur.

Why does my house smell like diesel?

Dirty heat exchanger – an oil furnace that is smoking heavily (usually from a burner that is not getting enough air) will produce a lot of smoke. Spillover from a recently filled oil tank – if you recently had your oil tank filled, then it is common for your furnace to smell like diesel or oil for a few days.

Why does my furnace smell like burning?

As your furnace heats back up it is burning this dust off, hence the burning smell. This is normal and is not considered to be a safety hazard. The smell should go away after a few hours once the furnace burns all the dust away.

What does gas leak smell like?

For easy detection, we add a harmless chemical called mercaptan to give gas a distinctive odor. Most people describe the smell as rotten eggs or hydrogen sulfide like odor. It smells bad for a good reason – in case of a gas leak! If you smell natural gas, leave the house.

Is electrical burning smell toxic?

Electrical fires can release toxic gases as a result of electrical melting. The substance that is burning is usually copper or metal and produces toxic fumes, such as hydrogen sulfide.

Why does my heater smell like wet dog?

Dirty sock syndrome is the result of mold, fungal, and bacterial grown inside of your AC, resulting in a home air conditioner that smells like a wet dog (or worse). The moisture from your AC evaporator coil combines with spores, making the perfect environment for mold and other unwanted substances to grow and thrive.

Why do I smell fumes in my house?

Noxious Fumes A partially or completely blocked exhaust chimney can redirect noxious exhaust odors back into your home. Chimney blockages can also cause carbon monoxide buildup inside your home, so have your furnace’s exhaust system thoroughly checked and clear all obstructions as soon as possible.