Burning Plastic Smell in the House: Causes and Solutions (2024)

Did you know that having a burning plastic smell in the house is not just an annoyance but can also be a sign of a dangerous situation?

Studies show that one of the leading causes of a burning plastic smell and house fires is electrical wiring. Many homeowners are unfamiliar with the causes of a burning smell in their house and how to remedy the situation. This article will provide in-depth explanations of the top causes of a burning smell in your house and how to remedy each situation.

A burning plastic smell in a house is defined as an acrid smell similar to that of burning hair or electrical wiring. The smell is usually accompanied by smoke and may be the sign of a fire.

Table of Contents

What to Do if You Notice a Burning Plastic Smell in Your House

Burning Plastic Smell in the House: Causes and Solutions (1)

If you notice a burning plastic smell in your house, the first thing you should do is open all the windows and doors to ventilate the area. If the burning smell is coming from an electrical appliance, unplug the appliance and call a qualified electrician to inspect it.

If the burning smell is coming from your furnace or HVAC system, turn off the system and call your heating and cooling technician. Many heating units will have a burning plastic smell when turned on for the first time in the season. This is usually due to dust and debris that has accumulated on the unit over the course of the offseason. While this is not a cause for alarm, it is important to have your furnace or HVAC system inspected by a professional to ensure no other issues.

If you cannot identify the source of the smell, evacuate the house and call the fire department.

The most important thing to do if you notice a burning plastic smell in your house is to not ignore it. Taking action to identify and mitigate the source of the smell can help prevent a fire.

Top Causes of a Burnt Plastic Smells

There are several potential causes of a burning plastic smell in your house. While some of these can be potentially hazardous, others may just require some simple maintenance. The most common causes are listed below.

1. Electrical Wiring

Burning Plastic Smell in the House: Causes and Solutions (2)

One of the leading causes of a burning smell in your house is electrical wiring. If you have old or damaged electrical wires, it can cause a fire. Electrical issues are one of the most common causes of house fires, so it is important to regularly have your electrical system inspected by a qualified electrician to prevent problems. The main signs of electrical problems are flickering lights, buzzing sounds, and sparks. If you notice any of these signs, call an electrician immediately.

2. Furnace or HVAC System

Burning Plastic Smell in the House: Causes and Solutions (3)

Another potential cause of a burning plastic smell in your house is your furnace or HVAC system. This is one of the most common causes of a burning smell in new homes, especially when running an air conditioner for the first time of the season. If you have a gas furnace, the burning plastic smell may be due to a gas leak. With an oil furnace, the burning plastic smell may be due to a problem with the oil burner. If you notice a burning plastic smell coming from your furnace or heating components, turn off the system and call your heating technician.

3. Appliances

Burning Plastic Smell in the House: Causes and Solutions (4)

Appliances are another potential source of a burning plastic smell in your house. If you have a small electrical appliance, such as a hairdryer or curling iron, that is left plugged in, it can overheat and cause a fire. If you notice an unpleasant odor coming from an appliance, unplug the appliance and check the outlet or surrounding area for damage. If it is one of your larger appliances, such as your washing machine or dryer, you may need to call a qualified technician to inspect it.

4. Unattended Cooking

Burning Plastic Smell in the House: Causes and Solutions (5)

Unattended cooking is one of the leading causes of house fires. If you leave food unattended on the stove or in the oven, it can catch fire and cause a burning plastic smell. It is important to stay in the kitchen while cooking and keep an eye on your food at all times. You should also keep a fire extinguisher in your kitchen in case of an emergency.

How to Identify a Burning Plastic Smell in Your House

There are several ways to identify an unpleasant in your house. The most common way is to identify the source of the smell. If you notice an acrid coming from an electrical appliance, unplug the appliance and check the outlet for damage.

You should also take the time to inspect your furnace or air conditioning system. Your dedicated heating and cooling technician can perform regular maintenance and inspections to help prevent problems. If you don’t have an HVAC technician, you can call your local utility company.

Another way to identify these odors in your house is to check for soot or smoke particles. If you see soot or substantial smoke, there may be a fire. You should also check for sparks or flames. If you see any of these signs, call 911.

Benefits of Identifying a Burning Plastic Smell in Your House

There are several benefits of identifying a burning plastic smell in your house. The most important benefit is that it can help prevent a fire. If you take action to identify and mitigate the source of the smell, you can help prevent a catastrophe.

Another benefit of identifying a burning plastic smell in your house is that it can help you save money. If you ignore the scent, it could lead to expensive repairs or even replacement of your furnace or HVAC system. Taking action to identify the source of the smell can help you avoid these costly repairs.

How to Get Rid of a Burning Plastic Smell

If you’ve determined that a burning plastic smell is not the result of a potential fire hazard (and you’ve had a professional out to inspect your house) you can try to get rid of the smell.

There are several ways to get rid of a non-emergent burning plastic smell in your house. First and foremost, try to open the doors and windows to ventilate the area. Taking the time to properly ventilate your entire house can not only minimize the unpleasant smell but toxic carcinogens as well. Burning smells can linger in the air, so it is important to try and remedy the situation as soon as possible.

One short-term solution is to use air fresheners or baking soda to try and mask any burning odor. Lemon juice and boiling lemon peels is also another natural way to remove a melted plastic odor. Be sure to let the lemons or fresh coffee grounds sit in warm water to act as an air freshener.

These burning odors can cause issues with the respiratory system, so it is important to take action if you experience any burning sensation in the throat or chest or have difficulty breathing. If you are experiencing these symptoms, you should leave the house and seek medical attention.

Steps You Can Take to Prevent a Burnt Plastic Smell in Your House

You can take several steps to prevent a burning plastic smell in your house. The most important step is to have your electrical system inspected by a qualified electrician on a regular basis. This will help to identify any potential problems before they cause a fire.

You should also have your furnace or HVAC system inspected and serviced by a qualified technician on a regular basis. This will help to prevent any potential problems with your gas or oil furnace. If your unit goes years without preventative services, it may be more likely to develop problems.

It is also important to practice safe cooking habits. You should never leave food unattended on the stove or in the oven. If you have to leave the kitchen, turn off the stove or oven first. It is also important for those with a gas stove to keep the area well ventilated while cooking.

You should also take care to properly maintain all of your appliances. If you have a small appliance, such as a coffee maker or toaster, that is starting to smell like it is burning, unplug it and inspect it for damage.

Resources for Burning Plastic Smell in Your House

If you are concerned about a burning plastic smell in your house, several resources are available to help you.

Your local utility company can provide you with information about electrical safety and how to prevent fires. They can also put you in touch with a qualified electrician or HVAC technician.

The National Fire Protection Association also has a wealth of resources available on its website. They offer tips on preventing fires, what to do if there is a fire, and how to evacuate safely.

The American Red Cross also offers resources on fire safety and evacuation. They can provide you with information on creating a fire safety plan for your family.

Burning plastic smell in house FAQ

What should I do if I smell burning plastic in my house?

If you smell burning plastic, it is important to identify the source of the burnt plastic smell and take action to mitigate it. If you cannot identify the source of the smell, you should evacuate your house and call the fire department.

What happens if you smell burnt plastic?

There are several scenarios that can lead to a burning plastic smell. One of the most common scenarios is when food is left unattended on the stove or in the oven and catches fire. This can cause damage to your appliances and create a hazardous situation.

Does electrical fire smell like burning plastic?

An electrical fire can smell like burning plastic. If you notice a burning plastic smell and identify it as coming from an electrical appliance, unplug it and check the outlet for damage. If you notice any flickering lights, sparks, or burning wires, evacuate the area immediately.

Why do I smell a burning smell in my house?

While it’s impossible to provide an answer on why you’re specifically smelling a burning smell in your house, there are some common causes of a burning smell. One of the most common causes is a problem with your electrical system. Another potential cause is a problem with your furnace or HVAC system.

In sum, a burning plastic smell in your home needs to be taken seriously. Take the steps immediately to seek help, identify the cause, and get a professional out to your home right away to ensure you are safe and there are no fire hazards.

More smells to be aware of and what they mean

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Burning Plastic Smell in the House: Causes and Solutions (2024)

FAQs

What to do when your house smells like burning plastic? ›

If you smell burning plastic in your home, the first thing you need to do is open all of the doors and windows to ventilate the space. There are a few possible causes for this odor, and none of them are pleasant. The most apparent reason is that you accidentally melted or burned plastic.

Why do I smell burning plastic when there is none? ›

Phantosmia is a condition that causes you to detect smells that aren't actually in your environment. It can happen in one nostril or both — and the odors may be foul or pleasant. Common causes include colds, allergies, nasal polyps and dental issues.

How do I find the source of electrical burning smell? ›

10 Causes of an Electrical Burning Smell
  1. Overloaded circuit.
  2. Loose or frayed wires.
  3. Faulty electrical system.
  4. Faulty wiring.
  5. Defective appliance.
  6. Rainwater inside switches and sockets.
  7. Electrical line fault.
  8. Faulty sockets or switches.
Aug 16, 2022

How toxic are melted plastic fumes? ›

Inhaling burnt plastic can be bad for your health. It can cause a number of respiratory problems, including coughing, wheezing, and shortness of breath. In severe cases, it can be life-threatening, which is why it's important to seek medical attention if you're exposed to burnt plastic fumes.

Should I call the fire department if I smell burning plastic? ›

The smell may resemble the scent of burning plastic. If you smell a burning odor in your house, please do not ignore it and please do not waste valuable time searching for a possible cause. Immediately dial 911 and ask for the fire department to respond.

What do electrical fires smell like? ›

Burning Plastic: The acrid odor of an electrical fire is often described as that of burning plastic. This is because wiring insulation, connectors, and many other electrical components are made of plastic materials. Electrical fires often start behind walls, so you'll sometimes start to smell rather than see one.

What is the electrical smell in my house? ›

An electrical fire smell is often described as a “burning plastic” smell. This is because when wires overheat, the insulation surrounding them begins to break down and release chemicals into the air. These chemicals can have a strong, acrid smell that can be difficult to ignore.

Does plastic smell go away? ›

Placing your plastic item outside within direct sunlight will do much to remove odor. The ultraviolet rays, fresh air, and open space will all work to neutralize the odor and lift it away. Place the item outside on a sunny day until odor is gone.

What does a plastic smell mean? ›

A plastic burning smell in house situation can occur from a number of sources. Faulty wiring or an overheated appliance can have an odor that smells like burning plastic. If it's coming from your HVAC system, it could be from an overheated blower motor -- possibly due to heavy dust buildup or a clogged air filter.

What does it mean when plastic smells? ›

Plastics have a taste and smell because they aren't as inert as we would like to think they are. Common plastics exude their more-volatile components – plasticisers such as bisphenols, for example. These can be smelled and tasted by us, and can also mimic oestrogen.

Are there warning signs before an electrical fire? ›

Signs of an impending electrical fire hazard

Random flickering or dimming of the lights. Persistent burning smell. Frequent tripping of the circuit breaker. Discolored outlets and switches.

How do you know if there is an electrical fire in your wall? ›

Warning signs of an electrical fire include the smell of something burning, smoke emanating from sockets, walls or outlets that are warm or discolored, and flickering lights or circuits tripping.

Is electrical burning smell toxic? ›

Electrical Fires Not Only Smell Bad, But They're Also Toxic

This results is toxic fumes that include ketones and aldehyde gases that are harmful to inhale. Polychlorinated biphenyl (PCB) by-products are also emitted from electrical burning equipment that can cause cancer and other serious health issues.

Can you get sick from breathing in burning plastic? ›

What are the risks? The exact composition of any fume produced when the material is heated for processing will therefore vary, but any plastic fume can cause severe irritation to the eyes, nose and lungs. In some cases, the effects can be long term and irreversible and include occupational asthma.

Can you get carbon monoxide poisoning from melted plastic? ›

When plastic such as PVC (polyvinylchloride (common in bottles, plastic packaging and blister packs, etc) are burnt in your house, carbon monoxide, dioxins and furans are released into your air. Carbon monoxide is a well known poison; dioxins and furans aren't.

What are the side effects of burning plastic? ›

Burning plastic and treated wood also releases heavy metals and toxic chemicals, such as dioxin. Other chemicals released while burning plastic include benzo(a)pyrene (BAP) and polyaromatic hydrocarbons (PAHs), which have both been shown to cause cancer.

Can carbon monoxide smell like burning plastic? ›

Carbon monoxide has no smell. It is an odorless, colorless gas that's a byproduct of combustion. Because carbon monoxide can leak from your gas furnace, stove, dryer, water heater, wood stove or gas fireplace, it is essential to put safeguards in place for immediate detection when a leak occurs.

What happens if you smell something burning in your house? ›

Firstly, let's begin by saying that if you notice a strong electrical burning smell in your home or any sign of smoke, you should call the fire department immediately, as you may have an electrical problem with your wiring system and electrics.

How long does an electrical fire take to start? ›

How Long Does It Take for an Electrical Fire To Start? An electrical fire can start slowly or happen instantly, with the source sparking in 2 minutes or lurking for 2 years.

What does a bad electrical outlet smell like? ›

When a circuit overheats, the plastics and heat-resistant chemicals used in outlets, circuit breakers, or wiring insulation may emit a fishy or urine-like smell. The odor can be carried throughout the house by the HVAC system, and it may intensify or fade with changing temperatures and circuit usage.

What does burnt insulation smell like? ›

Overbaked insulation will give off a very strong odor that smells like something akin to burnt sugar. While not all insulation does this, it is a common enough problem that fiberglass manufacturer Owens Corning has decided to do something about it.

Why is there a weird smell in my house? ›

A weird smell in a house can come from numerous sources, including appliances, furniture, carpets, fabrics or issues like mold or mildew. Occasionally, odors may be caused by sewer gas, natural gas leaks or animals that have died between walls, in attics or under decks.

What if my house smells like smoke but no fire? ›

Our advice is to call the fire department as soon as you start smelling smoke in the house. You can use the non-emergency fire department number if you're certain there's not a flame, but call them just to be safe.

What should I do if I smell burning? ›

If you can smell burning, particularly if you don't know what's causing it, it's vital you dial 999 immediately. Just because you can see it, doesn't mean it won't get out of control. Even if for some reason you don't feel like it's an emergency or not worth our time, trust us, it is!

Why does my air smell like plastic? ›

Your AC system's electrical wiring typically has a plastic coating around it. Anything from worn electrical connections to faulty breakers/short circuits can cause the plastic coating on wires to melt, which can result in a burning plastic smell.

How do most house electrical fires start? ›

The winter months are the most common time of year for electrical fires. Most of these fires are cause by electric heaters. Other fires occur because of defects in wiring or appliance failure, and many happen because of overloaded electrical outlets or extension cords.

Where do most electrical fires start? ›

Most electrical fires are caused by faulty electrical outlets or worn out sockets that aren't properly grounded. With age, the wiring behind sockets and outlets wears, the wires loosen over time and can eventually break and cause a fire.

What are three warning signs of an overloaded electrical circuit? ›

Signs of Overloaded Circuits
  • Dimming lights, especially if lights dim when you turn on appliances or more lights.
  • Buzzing outlets or switches.
  • Outlet or switch covers that are warm to the touch.
  • Burning odors from outlets or switches.
  • Scorched plugs or outlets.
Nov 17, 2022

Can fires start inside walls? ›

Have you ever seen a spark jump through the air? Well that kind of thing can happen inside your walls and cause a fire. Any damaged wiring—whether from age or something like drilling into the wall—could create an arc fault and send an electrical current off its intended path.

Is burning plastic smell in the house toxic? ›

In general inhalation of plastic fumes can lead to an increased risk of heart disease, respiratory side effects such as aggravated asthma, skin irritations, headaches, nervous system damage, and other organ damage such as the kidney, liver, and reproductive system.

Is burning plastic smell safe? ›

It is extremely harmful to you, those around you and the environment. Very harmful toxins are released when burning plastic and can significantly increase the chances of cancer, respiratory illnesses and birth defects. It can also greatly damage internal organs and the hormonal system.

Does an electrical fire smell like plastic? ›

That being said, an electrical fire can smell like the following: Burning Plastic: The acrid odor of an electrical fire is often described as that of burning plastic. This is because wiring insulation, connectors, and many other electrical components are made of plastic materials.

Is burning plastic carbon monoxide? ›

When burned, many plastics (particularly polyvinylchloride, or PVC) release carbon monoxide and the deadly poison named tetrachloro-dibenzo-dioxin, a toxic organic chemical that is a known carcinogen.

Do you smell burning before a stroke? ›

Cognitive impairment is common during stroke and can be a lasting side effect. There is a common myth that during a stroke, the victim will perceive the smell of burning toast. The medical term for this is phantosmia; an olfactory hallucination. In other words, a phantom smell, or a smell that isn't really there.

What does an electrical fault smell like? ›

When a circuit overheats, the plastics and heat-resistant chemicals used in outlets, circuit breakers, or wiring insulation may emit a fishy or urine-like smell. The odor can be carried throughout the house by the HVAC system, and it may intensify or fade with changing temperatures and circuit usage.

What does bad electrical wiring smell like? ›

An electrical fire smell is often described as a “burning plastic” smell. This is because when wires overheat, the insulation surrounding them begins to break down and release chemicals into the air. These chemicals can have a strong, acrid smell that can be difficult to ignore.

What could cause a chemical smell in my house? ›

Chemical Smells

The heat exchanger is the part of your furnace that will transfer the heat from the combustion chamber. If this part becomes cracked or damaged, it can release dangerous carbon monoxide fumes into the air that can circulate through your HVAC ductwork and out into the air in your home.

How do I get rid of chemical smell in my house? ›

Place bowls of distilled white vinegar around the rooms to absorb odors. Once the house smells back to normal, change any air filters in vents and vacuums (don't forget to dispose of the vacuum bags) to get rid of any lingering odor molecules.

Why does my house smell weird all of a sudden? ›

A weird smell in a house can come from numerous sources, including appliances, furniture, carpets, fabrics or issues like mold or mildew. Occasionally, odors may be caused by sewer gas, natural gas leaks or animals that have died between walls, in attics or under decks.

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