Why is the inside of my dryer turning black?

Author: Salvador Renner DVM  |  Last update: Friday, April 18, 2025

The first thing we want to tell you is: don't panic! It is common to see the vent inside your dryer (usually located towards the back) become a black-ish hue, almost as if there's burn residue on it. This little vent is called a heat inlet grille.

Is it normal for the inside of a dryer to look burnt?

The burnt residue is not a fire hazard itself because it is a product of the dryer being used. The heat, color from your clothes, and normal use all discolor the grille making it look burnt. Unfortunately, there is no way to prevent this from happening.

How to get black marks off inside of dryer?

Clean the inside of the dryer using a damp water and vinegar cloth. Then rinse the area well using just water. For stubborn stains you can use a baking soda paste, scrub, then rinse well with water after.

How do you know if your dryer is going bad?

Banging, popping, squealing or grinding noises are telltale signs that a dryer is broken. If you're hearing banging and popping, the usual culprit is a worn-out belt. As a dryer belt wears down over time, it can cause the drum to move erratically and create the noises you're hearing.

Can a dryer cause black mold?

In the laundry room, the washer and dryer create air moisture and humidity that are perfectly favourable to mold growth/development.

Why Your Clothes Dryer is Leaving Black / Gray Marks on Your Clean Clothes

Why is my dryer putting black stuff on my clothes?

Black marks on clothing may be the result of the collar or cuff rubbing between the Dryer drum and drum slides. This may occur if the Dryer drum slides are worn or a felt seal is mispositioned or defective.

Is dry black mold toxic?

Black mold is a fungus that may cause your immune system to react. Common symptoms include sneezing, coughing, congestion and eye irritation. It rarely causes serious illness or death but may worsen asthma symptoms.

What is the average life span of a dryer?

The average life expectancy of a dryer is around 10-13 years. And no matter how great your clothes dryer is, all appliances will wear down eventually.

What are signs a dryer vent needs cleaning?

8 Signs You Need to Clean Your Dryer Vent
  • Clothes take longer than normal to dry. ...
  • Clothes are unusually hot to the touch. ...
  • The room is warmer than normal when the dryer is running. ...
  • You've noticed burning smells. ...
  • The lint flap isn't opening. ...
  • The dryer tells you there's a problem. ...
  • The dryer stops working.

What is the most common dryer failure?

Dryer Shuts Off Quickly

Common issues include a broken motor relay, a malfunctioning push-to-start switch or timer, or a clogged exhaust vent that results in overheating. A malfunctioning electrical circuit board, a weakened door catch, or a broken door strike can be the cause.

Why is the back of my dryer black?

You may see some discoloration on the rear dryer grille where hot air comes into the dryer. This is normal and is caused by several factors, including usage, color transfer from clothing, and heat.

How to clean out the inside of a dryer?

If your dryer is electric, rub the drum with a soft cloth dipped in warm water and dish soap. For a gas dryer, wipe down the inside with a liquid, nonflammable household cleaner. Then, for gas or electric, wipe out the drum with a wet sponge or towel and tumble a load of clean clothes or towels to dry the drum.

How often should I clean my dryer vent?

Generally speaking, the clothes dryer itself, as well as the vent should be cleaned every 1 to 3 years. The variables that affect frequency include: How much laundry – how many loads – you do a week. How long your dryer vent system is.

How to tell if your dryer is a fire hazard?

Burning Odour Coming From Your Dryer
  1. Drying Times Are Slower & Slower. ...
  2. Extremely Hot Dryer and Clothes. ...
  3. Check Filter Light is On. ...
  4. Your Dryer Vent Flap Has Trouble opening or is Visibly Clogged. ...
  5. There are Pieces of Lint Scattered Around the Location of the Dryer. ...
  6. Your Last Dryer Vent Cleaning was Over a Year ago.

What do professionals use to clean dryer vents?

Our knowledgeable technician's initial step will be to locate the external dryer cap and take it off. They will slip a vacuum and snake brush into the vent, dislodge, and remove any obstructions. They'll use the snake brush to scrub any blockages off the inside of the vents.

Can I still use my dryer if it smells burnt?

A burning smell coming from your dryer is not a good sign—it's a fire hazard. Try removing any built up lint from the lint catcher, cleaning the inside of the dryer, and/or cleaning the hose duct and vents. If the smell persists, you may need to check the electrical components inside the dryer and have them replaced.

What is the average cost for dryer vent cleaning?

On average, professional dryer vent cleaning costs range from $100 to $200. However, remember that this can vary based on the factors mentioned above. Obtaining quotes from reputable service providers in your area is advisable to get a more accurate estimate tailored to your specific circumstances.

Is it worth it to fix a dryer?

Dryer repair costs will vary depending on the issue. For example, it will cost much less to replace a dryer belt than a motor. That said, if your clothes dryer is more than halfway through its lifespan—7 years or more—and the repair costs more than 50% of the price of a new one, you should consider replacing it.

When should I be concerned about my dryer?

Clothes not drying: This can be caused by various factors like clogged vents, faulty moisture sensors, malfunctioning heating elements, or broken belts. Excessive noise: Loud banging, screeching, or grinding noises often indicate worn drum bearings, damaged rollers, or loose components.

What is the best dryer brand?

The Best Dryers of 2025
  • Best Dryer. Electrolux ELFE7637AT.
  • Best Large Capacity Dryer. Maytag MED7230HW.
  • Best Compact Ventless Dryer. Beko HPD24414W.
  • Best Designed Dryer. LG DLEX6700B.
  • Best Dryer for Pet Owners. Maytag Pet Pro MED6500MBK.

How do you know if it's black mold?

While it's very dark, it's not a single color, as the name implies. Instead, black mold is actually very dark green, brown, or black and is wet, shiny, and slimy. Black mold often looks fuzzy. It tends to form clusters of circular spots that may have fuzzy white edges and when wiped, leaves a green stain behind.

What does black mold look like when it's dead?

“Dead mold has a powdery, flaky appearance. To confirm it is dead, brush the surface with a broom. It is most likely dead if it easily brushes off and becomes airborne.” We don't recommend brushing mold to see if it becomes airborne.

What spray kills black mold?

Treat the Area. For a natural solution to getting rid of black mold, combine one part baking soda with five parts distilled white vinegar and five parts water in a spray bottle. Alternatively, you can use a chemical-based mold and mildew remover, all-purpose cleaners, bleach or dish soap.

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