When you first purchase a space heater, excitement is often the primary emotion. However, a not-so-pleasant odor coming from the heater can turn that joy into concern.

New space heaters often produce distinct smells when initially used, a phenomenon primarily attributed to the ‘break-in’ period. As with many electrical appliances, residual manufacturing oils and dust may burn off during the first few uses.

Addressing these odors isn’t just about ensuring a pleasant environment; it’s also about safety and understanding your equipment. If left unchecked, what may seem like a harmless scent could indicate more severe underlying issues. Hence, distinguishing between a typical new heater smell and a potential hazard becomes crucial.

This guide aims to shed light on how to Eliminate Odor from New Space Heater and provide steps to ensure a safe and scent-free heating experience.

New Space Heater Odor

A new space heater odor refers to the distinctive smell that a brand-new space heater may emit during its initial use. This odor is a regular and temporary occurrence associated with the “break-in” or “burn-off” period of the heater. Common characteristics of a new space heater odor include:

  1. Burnt or Chemical Smell: New space heaters often emit a smell that resembles burning or chemicals. This odor can be firm and may cause concern for users.
  2. Duration: The odor typically occurs during the first few uses of the heater and gradually diminishes over time. It should completely dissipate quickly, usually within an hour or so of operation.
  3. Source: The odor is primarily a result of the initial heating of various components inside the heater, including the heating elements, coatings, and any manufacturing residues. As the heater operates, these components “burn off” or release volatile organic compounds (VOCs), causing the smell.
  4. Ventilation: Proper ventilation is essential during the initial use of a new space heater. Open windows or doors to ventilate the room and remove any unpleasant odors.
  5. Safety: While the new space heater odor may be unpleasant, it is typically not a cause for safety concern. It is a normal part of the heater’s initial operation as it adjusts to heat, and it should not pose health risks when used as directed.

It’s important to remember that the how to Eliminate Odor from New Space Heater differs from persistent or unusual burning smells that may indicate a problem with the heater, such as overheating, dust accumulation, or damaged components. Suppose you continue to experience a robust and persistent odor or notice other concerning signs with your space heater. In that case, following safety precautions and seeking professional assistance is advisable.

Why Does My New Heater Smell Like Burning?

A new heater can provide warmth and comfort during cold seasons, making it a welcome addition to your home. However, it’s not uncommon for new heaters to emit a burning smell during their initial use. This odor can be disconcerting, but it’s often a normal part of the “break-in” period for the appliance. In this comprehensive guide, we’ll explore why your new heater might smell like burning and what you can do to address it.

1.   Dust in the Heater:

One of the most common reasons for a burning smell in a new heater is the presence of dust and debris. Heaters can accumulate dust on their components during the manufacturing process and while in storage, especially on the heating elements and interior surfaces. When you first use the heater, this dust gets heated, causing an odor.

How Dust Accumulation Can Produce an Odor:

  • Dust particles can settle on the heating elements, which become extremely hot during operation.
  • When the heating elements heat up, the accumulated dust burns, leading to a burning smell.


  • Turn off and unplug the heater.
  • Allow it to cool down completely.
  • Refer to the manufacturer’s instructions for accessing the heating elements.
  • Be gentle when removing dust and debris from heating elements and interior surfaces using a soft brush or compressed air.
  • Reassemble the heater and briefly run it in a well-ventilated area to burn off any remaining dust.

2.   Old Furnace Filter/Dirty Vents:

The smell of burning can also result from having an old furnace filter or dirty vents in your HVAC system, especially if the heater is connected to a central heating system. When air is forced through a clogged or dirty filter or vents, it can carry dust and debris into the heater, leading to a burning odor.

Impact of an Old Filter or Dirty Vents on the Smell:

  • A clogged filter or dirty vents restrict the airflow, causing the system to work harder.
  • This increased workload can lead to overheating and burning accumulated particles, resulting in a smell.


  • Replace the furnace filter according to the manufacturer’s recommendations.
  • Ensure that all vents, ducts, and registers are clean and free from blockages.
  • Consider having your HVAC system inspected and cleaned if you suspect ongoing issues.

3.   Something Is in Your Heating System:

Sometimes, foreign objects can find their way into your heating system, whether a new or existing heater. These objects, such as small items or debris, can become trapped in the heating elements or the blower fan, causing friction and generating a burning smell.

What Foreign Objects in the Heating System Can Cause and How to Address Them:

  • Foreign objects can obstruct the regular operation of the heater, leading to overheating and burning odors.
  • If you suspect a foreign object in the heating system, turn off the heater, unplug it, and consult a technician for inspection and removal.

4.   Electrical Issues:

While less common, electrical problems can also produce a burning smell in a new heater. Electrical components like wires, switches, or connectors may heat up excessively, melt, or damage, leading to a noticeable odor.

Potential Electrical Problems That Might Produce a Burning Smell:

  • Loose or damaged electrical connections can generate heat and a burning odor.
  • A malfunctioning thermostat or control panel may cause electrical issues.
  • In some cases, an overloaded electrical circuit could be the culprit.


  • If you suspect an electrical problem, immediately turn off and unplug the heater.
  • Inspect the power cord, plug, and electrical connections for visible damage.
  • Suppose you need to become more experienced in electrical troubleshooting for a safe and proper diagnosis and repair of electrical issues. In that case, it is recommended to seek the assistance of a trained electrician or appliance technician.

Thus, a new heater emitting a burning smell is usually a temporary and harmless occurrence, often related to dust accumulation or the heater’s initial “break-in” period. Proper maintenance, including regular cleaning of heating elements and filters, can help alleviate the issue.

However, it’s essential to differentiate between the typical break-in smell and persistent or unusual odors, which could indicate more severe problems that require professional attention. Ensure your safety and peace of mind by understanding potential heater causes and taking appropriate steps.

How To Prevent a Burning Smell From Your Heater

Every homeowner or office worker loves the cozy warmth a space heater provides during chilly days. But a consistent burning smell? How to Eliminate Odor from New Space Heater. Fortunately, there are preventive measures to ensure your heater remains odor-free and operates at its best.

     I.        Occasional Cleaning and Air Purification

Dirt, dust, and airborne particles accumulate in heaters over time. Undertaking occasional cleaning enhances the heater’s performance and prevents the burning of these particles, which often causes odors. Moreover, considering an air purifier in rooms where heaters are frequently used can reduce the amount of dust and particulates that might settle in the heater in the first place.

ComponentCleaning Instructions
Outer CasingWipe the exterior with a damp cloth and mild detergent.
Grilles/FinsVacuum or wipe these components to remove dust.
FiltersClean or replace filters according to the manufacturer’s instructions.
InteriorIf accessible, clean the interior of the heater to remove any accumulated debris.

   II.        Proper Storage During Off-Seasons

Storing your heater correctly during warmer months is crucial. Ensure it’s kept dry, preferably with a cover to prevent dust accumulation. Before storage, clean it well, ensuring all vents or filters are clear of debris. Proper storage prevents unpleasant odors and prolongs the heater’s life.

 III.        Using Heaters in Well-Ventilated Spaces

A well-ventilated room ensures that any potential odors or fumes are quickly dispersed. Adequate ventilation helps mitigate smells and allows the heater to operate efficiently without the risk of overheating due to the recirculation of hot air.

IV.        Don’t Use a Poor-Quality Space Heater

Going for a cheaper model might be tempting, but investing in a high-quality space heater is imperative. Premium heaters often come with better materials, design, and safety features. They’re less likely to produce odors, have a longer lifespan, and are generally safer.

By following these guidelines, you can ensure a warm and refreshing heating experience.

  V.        Odor absorber

Long-lasting odors may be eliminated by using odor-absorbing solutions. Place coffee grinds, baking soda, or activated charcoal in containers next to the heater. Over time, these materials may absorb odors.

Odor AbsorberPlacement Instructions
Baking SodaPour into shallow bowls and place near the heater.
Activated CharcoalUse charcoal pouches or containers near the heater.
Coffee GroundsPlace used coffee grounds in a dish near the heater.

VI.        The Advantage of Patience When Handling Fresh Heater Odors

The first instinct may be to respond urgently when confronted with the unique fragrance coming from a new heater. Although taking preventative steps might be helpful, patience is often the most successful treatment that is undervalued.

A new heater’s scent is not a clue that the heater is defective or dangerous. It usually occurs as a transient consequence of the production and storage processes. When heated for the first time, manufacturing wastes, protective coatings, or even just a buildup of dust, might release odors.

Important Step-by-Step Guide to Eliminate Odor from New Space Heater

If you’ve noticed unpleasant smells coming from your space heater, it’s essential to address the issue promptly for your safety and comfort. This step-by-step guide will help you eliminate plastic and burning smells from your space heater, ensuring it operates safely and efficiently.

Plastic Smell: Run Your Space Heater on Full Power

    • Why This Can Help: Sometimes, the plastic smell is caused by the heating of the heater’s components. Running it on full power briefly can help burn off any residual odors.
    • Precautions: a. Place the heater in a well-ventilated area away from flammable materials. b. Run the heater on high for about 15-30 minutes. c. Monitor the heater closely for any unusual or persistent odors.

Plastic Smell: Clean the Heater’s Exterior and Vents

    • Why This Can Help: Dust and debris on the exterior and vents can produce plastic-like smells.

Detailed Steps:

  1. Unplug the heater and let it cool down completely.
  2. b. Remove dust and debris from the exterior and vents with a soft brush or vacuum cleaner.
  3. Wipe down the surface with a damp cloth. d. Ensure the heater is dry before plugging it back in.

Burning Smell: Clean the Heater’s Heating Elements

    • Why This Can Help: Over time, dust and dirt can accumulate on the heating elements, causing a burning smell when they heat up.

Guide on cleaning:

  1. Unplug the heater and let it cool down.
  2. Refer to your heater’s manual to access the heating elements. This may require removing a cover or grille.
  3. c. Gently remove dust and debris from the heating elements using a soft brush or compressed air.
  4. d. Reassemble the heater as per the manual’s instructions.

Burning Smell: Check the Space Heater’s Power Cord

Signs of Wear:

  1. Inspect the power cord for visible damage, such as frayed or exposed wires.
  2. Check the plug for any signs of melting or burning.

When to Replace: If you notice any power cord or plug damage, it’s essential to replace them immediately to prevent electrical hazards.

Burning Smell: Checking and Replacing Faulty Components

    • Identifying Faulty Components:
  1. a. Examine the heater’s internal components for signs of burning or damage, such as discolored wires or burnt-out parts.
  2. Pay particular attention to the thermostat, wiring, and other electrical components.
    • Replacing Faulty Components: unplug the heater and disconnect it from the power source if you identify damaged components. b. Consult your heater’s manual for guidance on replacing specific parts or seek professional assistance. c. Always use genuine replacement parts recommended by the manufacturer.

Following these step-by-step instructions, you can effectively eliminate plastic and burning smells from your space heater and ensure its safe and efficient operation. Regular maintenance and vigilance will help keep your space heater running smoothly and odor-free.

Common Causes of Burning Smell in Space Heaters

A space heater emitting a burning smell can be alarming, but it’s essential to understand the potential reasons behind it. In this guide, we’ll explore common causes of burning odors from space heaters and provide insights on how to Eliminate Odor from New Space Heater

Risks Associated with Using Extension Cords:

      • Extension cords may not be designed to handle the high wattage and continuous use of space heaters, leading to overheating and electrical hazards.
      • Solution: Plug the space heater directly into a properly rated wall outlet, preferably on a dedicated circuit, to prevent overloading.

It Is New:

    • The ‘Break-In’ Period for New Heaters and Associated Smells:
      • New heaters may emit a burning smell during their initial use due to the heating elements and other components adjusting to heat.
      • Solution: Allow the heater to run on high for 15-30 minutes in a well-ventilated area to burn off manufacturing residues. The smell should dissipate after the break-in period.

Explaining How Accumulated Dust Can Burn:

      • With time, dust and debris may build up on the heating elements or inside the heater. This accumulated dust can burn when the heater operates, producing a strong odor.
      • Solution: Regularly clean the heater’s interior and heating elements, as mentioned in the previous guide. This will help prevent dust-related burning smells.

The Dangers of Obstructing the Heater:

      • Placing objects or materials too close to or in front of the heater can obstruct airflow, leading to overheating and burning smells.
      • Solution: Ensure a clear, unobstructed space around the heater, following the manufacturer’s recommended clearance distances. Keep flammable materials away from the heater.

Signs of Overheating and How to Address Them:

      • Overheating can occur due to a malfunction or a blocked air intake, resulting in a solid burning odor.
      • Signs of overheating include excessive heat emanating from the heater, unusual noises, or a strong burning smell.
      • Solution: Immediately turn off and unplug the heater if you suspect overheating. Allow it to cool down, and inspect for any obstructions or damage. If the issue continues, it is recommended to seek assistance from a qualified repair professional.

Many factors can cause a burning smell from your space heater. These include improper use of extension cords, a break-in period for new heaters, dust accumulation, obstructions, and overheating. Understanding these reasons and taking appropriate preventive measures can help keep your space heater safe and odor-free. Regular maintenance and safety precautions are critical to a trouble-free and efficient heating experience.

What to do if your Space Heater doesn’t stop smelling

Eliminate Odor from New Space Heater

If your space heater continues to emit a persistent odor, it’s crucial to take immediate action to ensure safety and address the issue. Here are steps to follow if your space heater doesn’t stop smelling:

Eliminate Odor from New Space Heater

  1. Turn Off and Unplug the Heater: The first step is immediately turning it off and unplugging it from the power source. This is essential for safety and to prevent further heating or potential electrical issues.
  2. Isolate the Heater: For safety, move the space heater to a well-ventilated area with ample space away from flammable materials, curtains, or furniture.
  3. Allow It to Cool Down: Let the heater cool down completely. This may take some time, depending on the type of heater and how long it has been running.
  4. Inspect for Visible Issues: Carefully examine the heater for any visible damage, loose wires, or burnt components. If you see any signs of wear, do not attempt to use the heater further.
  5. Clean the Heater: If the odor is due to accumulated dust or debris, follow the instructions provided in the previous guides to clean the exterior, vents, and heating elements thoroughly. Make sure it’s spotless before attempting to use it again.
  6. Check for Obstructions: Ensure no objects or materials obstruct the heater’s airflow. Keep flammable materials and things away from the heater.
  7. Plug It In and Observe: After the heater has cooled down and been cleaned or inspected, plug it back into a properly rated wall outlet. Turn it on and observe it for any signs of unusual odors or issues. Run it for a short time to see if the smell persists.
  8. Monitor the Situation: If the odor persists or you notice any signs of overheating, unusual sounds, or visible damage while the heater is running, immediately turn it off and unplug it. Do not attempt to use a malfunctioning heater.

Safety Precautions:

  • Never use a space heater if you suspect it is malfunctioning, emitting a strong burning odor, or displaying signs of overheating.
  • Keep the area around the heater precise from flammable materials and ensure proper clearance distances as the manufacturer recommends.
  • It is recommended to have smoke and carbon monoxide detectors installed near the heater.

When to Seek Professional Assistance:

If you’ve followed the above steps, and the odor persists, or you are uncertain about the cause of the smell, it is strongly recommended to seek professional assistance. If you need your heater inspected or repaired, it’s best to contact a qualified technician ensuring it operates safely and efficiently. Avoid using a space heater that continues to emit a solid or persistent odor, as it may pose a safety hazard. Safety should always be a top priority when dealing with space heaters.