Dryer Vent Exhaust Inside the House: Why Is It Not Recommended? - Nettoyeur De la Cité

Dryer Vent Exhaust Inside the House: Why Is It Not Recommended?

As you can imagine, the air in a dryer contains a large amount of dust and fine particles that you don’t want to see build up in the indoor air that you breathe. In addition, for each load of laundry, at least a gallon of water is removed from the dryer vent exhaust inside, which makes the humidity level in a house increase and causes condensation as well as the appearance of mould!

Why shouldn’t you release the air from the dryer inside?

Because a regular dryer filter only traps the biggest fibres, the dust and the finest particles present in the laundry that you’re drying will stay in the exhaust air released inside your house. If you want to release the exhaust air from the dryer in your laundry room to save energy, then you should add a second filter to trap the fine particles and take rigorous maintenance precautions.

 

According to the Canada Mortgage and Housing Corporation (CMHC), the humidity level in your home should not exceed 50% in the winter and should be further reduced to around 30% when the temperature falls below -10 degrees Celsius. An indoor dryer vent exhaust can raise the humidity level and create condensation and mould issues, which are dangerous for your health. So consider closely monitoring the humidity level in your home.

The negative effects of humidity

An excessive humidity level in a home can cause the appearance of mould on the walls and tile joints, the formation of fungi and saltpetre, the rotting of the woodwork, or very bad smells. Moisture can therefore damage the furniture and all the elements of a home very quickly if it’s not controlled.

However, the worst part is the negative effects that moisture can cause to the health of the occupants of a place. It promotes the appearance of various allergies that didn’t exist before, such as allergies to mould and dust mites. If the presence of fungi and dust mites becomes too great, these allergies can then turn into respiratory diseases such as chronic bronchitis and asthma, as well as conditions such as rhinitis and conjunctivitis. In particular, it’s the youngest and the oldest who are most at risk of contracting these diseases, which usually begin with sneezing and a heavy cough.

 

Did you know that many dryer fires are reported each year due to dryer hoses clogged with fibres from clothing? Neglecting the cleaning of your dryer ducts can therefore have serious consequences.

 

To avoid the risks:

  • Empty and clean the lint filter after each use
  • Rinse and wash the filter with soapy water every 6 months
  • Choose metal hoses instead of plastic
  • Don’t run your dryer unattended
  • Don’t run your dryer without the lint filter
  • Have your pipework inspected and maintained by professionals
  • Avoid overfilling your dryer
  • Take care to ventilate the area near your dryer
  • Moderate the use of paper, such as fabric softener sheets

In all cases, to prevent moisture problems, polluted air, and the risk of fire, you should clean up your dryer filter after each use and have a more substantial cleaning carried out regularly by professionals. You can also replace the filter fairly often to prevent the thickness of the compact dust from interfering with the normal operation of your dryer.

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