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- What is the core function of a range hood?
Answer: It quickly sucks away oil fumes, odors, hot air and harmful gases (such as formaldehyde and benzene) generated during cooking, keeps the kitchen air fresh, reduces the damage of oil fumes to human skin and respiratory tract, and at the same time protects the kitchen walls and furniture from oil pollution.
- What is the difference between Chinese-style and European-style range hoods?
Answer: Chinese-style range hoods have a compact body and a deep cavity design, with strong oil fume suction capacity, which is suitable for Chinese-style kitchens where stir-frying is common. European-style range hoods have a simple and elegant appearance, are flat and thin, focus on appearance and low noise, but their oil fume suction efficiency is slightly lower than that of Chinese-style ones, making them more suitable for scenarios with less cooking oil fumes.
- What key parameters should be considered when choosing a range hood?
Answer: Mainly look at the air volume (for Chinese-style, it is recommended to be ≥15m³/min; for European-style, ≥17m³/min), static pressure (for public flues, choose ≥300Pa; for low floors, ≥200Pa), noise (≤65 decibels is more comfortable) and energy efficiency level (Level 1 is the most energy-saving).
- Do range hoods need regular cleaning?
Answer: Yes. Long-term lack of cleaning will cause oil stains to block the filter screen and pipeline, reduce the oil fume suction efficiency, and may also breed bacteria, produce odors, and even increase the risk of motor failure. It is recommended to clean the filter screen every 1-2 months and conduct in-depth cleaning of the internal body every six months.
- What are some simple ways to clean a range hood?
Answer: The filter screen can be removed and soaked in warm water + detergent for 10 minutes before scrubbing. For the surface of the body, wipe it with a damp cloth dipped in baking soda solution. For stubborn oil stains, spray a special oil fume cleaner, let it stand for 5 minutes, then wipe it clean. Be careful to avoid water entering and damaging the motor.
- Is there a requirement for the installation height of a range hood?
Answer: Yes. It is recommended that Chinese-style range hoods be installed 65-75 cm above the stove, and European-style ones 75-85 cm above. If the height is too low, it is easy to hit the head and get stained with oil; if it is too high, the oil fume suction effect will be reduced. During installation, it should be aligned with the center of the stove.
- Why does the noise of a range hood increase after long-term use?
Answer: It may be due to blockage of the filter screen by oil stains, lack of oil in the motor bearings, unbalanced oil accumulation on the fan impeller, or loose pipelines. First, clean the filter screen and fan impeller. If it doesn’t work, you can add special lubricating oil to the motor. If the noise still exists, it is recommended to contact after-sales service for maintenance and avoid forced disassembly.
- Do I need to turn off the power when the range hood is not in use?
Answer: For short-term non-use (such as 1-2 days), you don’t need to turn off the power, as some models can purify a small amount of air when on standby. For long-term non-use (such as more than 1 week), it is recommended to turn off the power to avoid standby power consumption and the risk of circuit aging. Before turning off the power, you need to turn off the body switch.
- Which is better: the oil fume suction function of an integrated stove or that of a regular range hood?
Answer: The oil fume suction port of the integrated stove is close to the stove, so its oil fume suction rate is usually higher (up to more than 95%) and it saves space. Regular range hoods are flexible in installation and have lower maintenance costs, which are suitable for families with larger kitchen space or those who don’t like integrated designs. You can choose according to your needs.
- If the range hood “can’t suck” oil fumes, what may be the reasons?
Answer: Common reasons include severe blockage of the filter screen, bending or blockage of the exhaust pipeline, insufficient power due to motor failure, and excessive pressure in the public flue (common during peak hours). You can first clean the filter screen and pipeline. If the problem is not solved, you need to contact professionals to repair the motor or flue.
11.For families that often do stir-frying, is a side-suction or top-suction range hood better?
Answer: Side-suction range hoods are more recommended. The body of a side-suction range hood is close to the stove, which can quickly capture oil fumes as soon as they are generated, preventing the spread of oil fumes. Moreover, its smoke-collecting cavity design is more suitable for dealing with the large amount of oil fumes produced instantly during stir-frying. Although top-suction range hoods have a wide smoke suction range, oil fumes are prone to spread during the rising process, so their oil fume control effect is slightly weaker in stir-frying scenarios. However, top-suction range hoods do not require frequent bending during cleaning, making them suitable for users who prefer convenient cleaning.
- Can the filter screen of a range hood be cleaned in a dishwasher?
Answer: It depends on the material of the filter screen. Removable filter screens made of metal (such as stainless steel filters) can be cleaned in a dishwasher if the dishwasher has enough capacity and the filter screen is not obviously deformed (select the strong wash mode). However, filter screens made of plastic or with a sponge interlayer are not recommended to be cleaned in a dishwasher. High temperature and strong water flow may cause plastic deformation and sponge damage, which will affect the filtering effect instead. Such filter screens are more suitable for hand washing.
- When renting a house and using an old range hood with poor suction and loud noise, are there any temporary improvement methods?
Answer: There are 3 temporary methods: ① Thoroughly clean the filter screen, fan impeller and exhaust pipeline to remove oil blockages (the filter screen can be soaked in hot water + white vinegar, and the fan impeller can be wiped with a cotton swab dipped in oil stain cleaner); ② Stick a layer of kitchen oil paper on the air inlet of the range hood and replace it regularly to reduce oil stains from entering the internal part of the range hood directly; ③ If the pressure in the public flue is high, a check valve can be installed at the end of the exhaust pipe to prevent oil fume from flowing back and temporarily improve the exhaust efficiency. However, if the motor of the old range hood is seriously aging, it is recommended to communicate with the landlord to replace it to avoid potential safety hazards.
- When the range hood is in use, there is an “oil dripping” phenomenon. How to deal with it?
Answer: First, check the oil dripping position: ① If oil drips from the edge of the filter screen, it may be that the filter screen has too much oil stain and is not cleaned in time, or the filter screen is loosely installed. It is necessary to remove it for cleaning and fasten it again; ② If oil drips from the bottom of the range hood body, it may be that the oil cup is full and not cleaned, or the oil cup buckle is damaged. It is necessary to pour out the oil stain and check whether the oil cup is intact. If it is damaged, replace it; ③ If oil drips from the exhaust pipe interface, it may be that the pipe interface is not tightly sealed. It is necessary to wrap the interface with high-temperature resistant sealing tape to prevent oil stain leakage.
- When renovating a new kitchen, is it necessary to reserve the size in advance when choosing a range hood?
Answer: It is necessary to reserve the size in advance. First, determine the installation position of the range hood (it needs to correspond to the position of the stove), and reserve a power socket (it is recommended to have a switch for easy power off). The height of the socket should be 10-15 cm higher than the top of the range hood to avoid being blocked by the range hood body; Second, reserve the cabinet or installation space according to the size (width, thickness, height) of the selected range hood. Especially for built-in or integrated range hoods, it is necessary to accurately match the cabinet opening size to avoid incompatibility during later installation. It is recommended to confirm the size parameters with the decoration master and the range hood merchant in advance.
