With the continuous improvement of living standards, people have higher and higher requirements for the quality of life, especially the kitchen, which is the top priority. A good range hood can not only keep the kitchen clean and tidy, bring us a more comfortable cooking experience, but also protect the health of our family. So how do you choose a practical range hood?

1. Why is the price of range hoods so big from a few hundred yuan to several thousand yuan?

Many people think that the range hood is very simple, with a shell on the outside and a fan on the inside, there is no technical content, and a few hundred yuan can be done.

Indeed, the principle of the range hood is very simple, that is, the negative pressure generated by the fan is generated by the fan, and the oil smoke generated during the cooking process is sucked out and discharged from the flue or window. This is related to the ability of the range hood to suck and exhaust the range hood, that is, the air volume and wind pressure.

According to the latest national standard GB/T 2022-0 for range hoods in 0 years, the air volume of the old national standard is changed to the maximum air volume and the working air volume two parameters, and the wind pressure is also changed to the maximum static pressure.

The working air volume refers to the volume of gas transported per unit time when the range hood operates in a high speed gear and under the specified smoke exhaust resistance.

The maximum air volume refers to the volume of gas transported per unit time when the range hood is running in high speed gear and the static pressure is 0Pa.

The maximum static pressure refers to the static pressure value when the air volume is 0m³/min when the range hood is running in high-speed gear.

From the above we can see that the maximum air volume can reflect the range hood inidealstate under the suction dischargethe upper limit of the oil smoke capacity; The working air volume is closer to our actual use state; The maximum static pressure represents the ability of the range hood to exhaust smoke and prevent backfill.

The new national standard stipulates that the working air volume of the range hood should be ≥ 10m³/min, and the maximum static pressure of most range hoods on the market is 0m³/min or higher, which can basically meet our daily use needs.

Most families choose a range hood with a maximum air volume of more than 21m³/min to meet the needs of our daily use, if you usually like stir-frying, or an open kitchen, it is recommended to choose ≥ 0m³/min.

Since most of the families live in buildings, the fumes need to be discharged into the public flue. The pressure in the public flue will increase with the continuous decrease of the floor height, the pressure of the public flue of the residents on the 1th floor is the highest, and the pressure on the top floor is the smallest, so if it is a family living in the building, when choosing a range hood, it is necessary to select the maximum static pressure of the range hood according to the floor difference between the living floor and the top floor.

In other words, the lower the floor you live on, the greater the difference between the floor and the top floor, and the greater the maximum static pressure of the range hood you need to choose.

Usually, the floor difference is within 450 floors, and you can choose to be greater than 0Pa; The floor difference is within 0 floors, and the choice is not less than 0-0Pa; The floor difference is higher, it is recommended to choose a range hood of 0Pa and above.

For all range hood manufacturers, it is not difficult to do a good job in the performance of suction and exhaust fume, as long as the power of the fan and fan blades are increased. However, while increasing the ability of the range hood to suction and exhaust fumes, the noise will also increase accordingly.

The new national standard gives two parameters for noise, which are hemi-anechoic chamber noise and working noise.

The noise of the hemi-anechoic chamber is to simulate the conditions of noise propagation in real life in a specific environment, which can more accurately show the output sound of the range hood, and the working noise value is the A-weighted sound power level, which cannot exceed 73dB (A);

Working noise simulates the human ear feeling, that is, how loud the sound we can hear when we are stir-frying near the range hood, which is closer to our actual life. The operating noise is an A-weighted sound pressure level and cannot exceed 74dB (A).

It should be noted that although both sound power level and sound pressure level noise are measured in dB, sound pressure level = sound power level -14dB, which needs to be paid attention to when selecting.

2. Is the side suction effect of the range hood better or the top suction effect?

With the continuous improvement of people's aesthetics, there are many requirements for the design style of the kitchen and the style of the range hood. At present, the mainstream styles of range hoods on the market are mainly top suction and side suction, and there are many other types such as top and side double suction, ultra-thin and tight absorption, and latent suction.

The top suction type can be divided into two types: Chinese style and European style. In the early days, domestic range hoods were mainly Chinese-style, and this kind of range hood had a large smoke cavity, good smoke effect, and low price.

However, the size of the Chinese range hood is large, the appearance is relatively bulky, the noise is large, the performance is relatively low, and the oil and smoke separation is poor, easy to drip oil, and it has basically been eliminated, and there are only some low-end second- and third-line brands that still have Chinese range hoods.

The early European-style range hood originated from the West, due to different cooking habits, although the European range hood has a relatively high appearance, the ability to suction and exhaust the smoke is poor, and the effect of collecting smoke is also not good. After the transformation of domestic manufacturers in the later stage, not only the effect of collecting smoke is good, but also the ability to suction and exhaust smoke has been greatly improved, plus its appearance is very high, more suitable for the design style of modern kitchen, is currently the most popular kind of range hood.

However, European-style range hoods also have the common problem of top-suction range hoods, that is, they are not friendly to tall people, not only easy to meet, but also block the line of sight, dripping oil, etc.

The installation position of the side-draft range hood is lower, and the distance from the stove is closer, and the oil smoke will be sucked away as soon as possible, and the effect of oil smoke suction and exhaust is better.

Moreover, the side-draft range hood is more friendly to tall people, and will not touch or block the line of sight, plus the side-draft range hood has a patented oil and smoke separation plate, which will not drip oil, and the oil smoke can be effectively separated.

However, side-draft range hoods may take up a certain amount of cooking space, which is not very convenient for families who like to flip spoons and use large steamers. Moreover, due to the structural problems, the side-draft range hood can not be integrated molding, and it is close to the pot stove, which is easy to be polluted by vegetable residue and needs to be cleaned frequently.

Due to some drawbacks of side-draft range hoods, some high-end models have been improved and ultra-thin near-suction has been introduced. The ultra-thin near-suction range hood occupies less space, and is closer to the smoke source, has a stronger ability to suction and exhaust fumes, and has a higher appearance, but the price is more expensive.

The top and side double suction combines the advantages of top suction and side suction two kinds of range hoods, and there are smoke inlets on the top and side, which can theoretically reduce the escape of oil smoke and have a better effect of suction and exhaust fumes.

However, in the process of use, the two smoke inlets on the top side will disperse the suction, and the actual effect is not as good as imagined.

3. How about a range hood with self-cleaning function?

After the range hood has been used for a long time, it will be full of oil and need to be cleaned regularly, which is not only costly, but also troublesome, so many people will choose a range hood with a self-cleaning function.

At present, the self-cleaning function of range hoods on the market can be divided into two types: active and passive. Among them, Vantage, Midea, Siemens and other brands mainly use active type, this kind of range hood generally uses steam, hot water, hot melt and other methods to soften oil stains, and then throws out oil stains at high speed through the impeller.

The other is represented by Robam and Fotile, which uses non-stick, oleophobic materials or coatings in the core impeller and inside the machine to reduce the accumulation of grease inside the machine.

However, it should be noted here that no matter what kind of self-cleaning method, it cannot replace manual cleaning, but can only reduce the frequency and difficulty of manual cleaning.

4. Which brand of range hood is the best and most practical?

At present, the range hoods on the market are mainly domestic brands, and the range hoods of imported brands are more prominent in terms of design and creativity, such as niche range hoods such as the island type.

If the budget is not high, you can choose such as Supor, Wanhe, Wanjiale, Skyworth and other brands of range hoods, the price is generally a few hundred yuan, suitable for families with low budgets, rents, and low requirements for range hoods.

Midea, Vantage, Haier and other brands of range hoods are relatively moderate, generally around 2000-0 yuan, whether it is the appearance or the ability to suction and exhaust fumes, it can basically meet the needs of most families, and the cost performance is relatively high.

The price of the range hood of the boss and Fang Tai is usually above 2000 yuan, mainly in the middle and high-end, if the budget is relatively high, the appearance of the range hood, the use experience of the requirements are relatively high, you can choose the boss's range hood.

Fotile's range hood has a good performance in intelligent control, such as smoke stove linkage, automatic cruise, waving intelligent control and other functions are more practical and are also a good choice.

Finally, when choosing a range hood, you need to choose a suitable product according to your budget, kitchen design style, use needs, etc.