1. Why Replace Activated Carbon in Range Hoods
1.1 What is Activated Carbon
Activated carbon, also known as activated charcoal, is a type of carbon that has been processed to have high surface area and porosity. It is commonly produced from charcoal or biologically based materials such as coconut husks. In Vietnam, activated carbon is also made from coconut shells.
Activated carbon is characterized by its low density and hardness. It finds applications in various aspects of life and society, such as refining gold ore, purifying water, treating waste, air filtration, mask production, and extensively in the medical field.
For range hoods, activated carbon plays a crucial role in neutralizing odors and harmful substances in the air, ensuring a fresh kitchen environment and healthy living for your family.

1.2 The Importance of Replacing Activated Carbon in Range Hoods
In reality, activated carbon in the hood's filter becomes saturated over time, losing its odor-neutralizing and bacteria-killing effectiveness. When odor molecules fill the activated carbon's structure, it becomes inactive.
A sign that indicates you need to replace the activated carbon in the range hood is when, after running the hood for 5-10 minutes, food odors remain strong even at the highest suction speed.
1.3 How Often You Should Replace Activated Carbon in Range Hoods
After prolonged use, a versatile family kitchen range hood accumulates dust, reducing its air filtration efficiency. Typically, a range hood in a family kitchen should have its activated carbon replaced every 6-9 months. For kitchens in restaurants, hotels, or those used for commercial cooking, activated carbon should be replaced more frequently, averaging every 2-3 months.
For special cases (where range hoods are not used frequently or used sporadically), it's advisable to replace the activated carbon after 12 months. This ensures optimal performance and minimizes electricity consumption. Additionally, the frequency of replacing activated carbon for smoke extractors is similar to that of range hoods.

2. Guide to Replacing Activated Carbon in Kitchen Range Hoods
To replace activated carbon in the odor extractor, you'll need specialized activated carbon for range hoods (preferably purchased from authorized dealers or official retailers), filter fabric, a knife, scissors, and specialized cleaning solution. Here's a simple procedure:
Step 1: Remove the 2 activated carbon filters from the range hood.
Step 2: Dispose of the old activated carbon from the filters, then use a clean cloth to wipe and dry the filter tray.
Step 3: Pour new activated carbon into the filter tray.
Step 4: For filters with one side made of filter fabric, cut the activated carbon fabric and use glue to securely reattach it. For plastic filters, simply reattach the plastic cover and apply glue.
Step 5: Install the filters into the range hood.
Some points to note when replacing activated carbon in kitchen range hoods are to disconnect the power before replacement for safety, and ensure that the filters and other parts are completely dry before installing them inside the hood.

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3. Considerations When Purchasing Activated Carbon for Range Hoods
Currently, there are many types of activated carbon available on the market with various specifications. However, if you don't choose the right type of specialized activated carbon, no matter how scientifically you replace the activated carbon in the range hood, the odor elimination efficiency will be very low.
Accordingly, specialized odor-eliminating charcoal for kitchens must have a large pore structure. If you're unsure about which type of charcoal to use as a replacement for activated carbon in the odor extractor, you can apply the following identification method:
Prepare a glass of clear water, then add a little activated carbon and observe the phenomenon. If the water bubbles up a lot, it indicates good quality activated carbon that should be used for replacement. Conversely, if there are few bubbles, it's not recommended to choose this type of activated carbon.
By referring to these extremely simple and easy ways to filter range hoods at home, you can ensure clean and pure air for your family. For range hoods from different brands such as Taka Japanese extractor fan, genuine Canzy range hood, Sunhouse extractor products,... if they have a simple structure, you can apply the method above. For models with more complex designs, it's advisable to seek assistance from technicians to ensure safety. Additionally, for longer product lifespan, don't forget to clean the range hood properly regularly!