Exhaust: What is the best model of 2021
Today we are going to talk about an exhaust fan, fundamental equipment to remove smoke and stale air from the kitchen and indoors.
These equipments can be great allies when you want to leave the ideal room temperature and, at the same time, improve the air quality.
In this article we will talk about these devices, and give tips on several models available on the market today, in addition to talking about the main features you should look for in a device like this.
First, the most important
- One of the advantages of an exhaust fan is that it will help to remove bad odors and smoke from the environment, as it displaces warm air out of the room.
- Kitchen, bathroom or industrial cooker hoods? Understand the differences in the following guide.
- The price of an exhaust fan can vary between R $ 70 and R $ 5,000, depending on the material and the power of it.
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Ranking: The 3 best hoods
We will now present the best models of hoods available on the market today, among them you will find the kitchen, bathroom and industrial. Check out our ranking and continue reading the complete Buying Guide to answer all your questions.
If you want to find a way to keep the environment ventilated, the hood can be what you are looking for.
Then, in the Buying Guide below we will explain a little better how an exhaust fan works, in addition to providing the best tips for you to find the ideal equipment for you.
What is an exhaust fan and what are its advantages?
The hood is a ventilation system that is installed on the wall or ceiling of a house, office or industry, whose main function is to remove all the hot air from the environment and throw it out of the house.
Exhaust fans help to keep the environment ventilated, in addition to removing bad odors from the rooms. They are also excellent allies in combating mold and moisture.
You may be wondering if it is complicated to install an exhaust fan at home. In this video you can understand a little better how the installation of a bathroom hood works:
Its versatility is one of the factors that please people, as it has many applications, as we said above, in addition to being normally compact and discreet equipment.
Some people prefer to use an exhaust fan over a fan, because while with the fan the air is felt in a more concentrated way, the exhaust fan distributes the air evenly, and the wind is not felt as intensely.
While they have many advantages, the disadvantages also exist, such as the noise that many of them make. So, choose an equipment that makes little noise, because if the house is small, it can disturb conversations and even the sound of the television.
In addition, so that the noise does not become even worse over time, it is necessary to clean the equipment every 2 or 3 months, removing the filter and all removable parts.
The design is also not one of the characteristics that most people like about hoods, since most of them are made of plastic or metal, without much aesthetic appeal.
Below, check out a table with the advantages of a hood’s disadvantages:
Exhaust fan for kitchen, bathroom or industrial?
The hoods can be used for industrial, bathroom or kitchen use.
The industrial use of exhaust fans are more expensive, but they use more durable materials, since the need for constant ventilation in industries requires a lot of equipment.
They are essential in the industrial environment, as they renew the air of the place and do not allow employees to feel uncomfortable in the work environment.
Some of the industries that are forced to use exhaust fans are the automobile, chemical, medical, food processing, among many others.
The bathroom exhaust fans are used in places that have little natural ventilation, and serve to remove moisture from the environment, to avoid the appearance of mold, and reduce unpleasant odors.
As apartments and houses have been increasingly built with bathrooms without windows, this has been the solution found by most residents.
Finally, kitchen hoods are used for the purpose of eliminating the smoke that accumulates after frying some food or grilling a steak, for example.
In addition, kitchen hoods are also great allies to combat bad odors from food that remain in the air after cooking. Below, see the table with the differences between these types of hoods:
Does the hood consume a lot of electricity?
One of the main doubts people have with regard to exhaust fans is whether they use a lot of electricity. This consumption will depend on each device, and also on the speed you use.
In the video below you can understand a little better about the energy expenditure of this equipment:
Always look for the label that indicates energy efficiency, which is usually on the equipment box. Usually it scores products from A to E, with A being the one with the best energy efficiency, and E being the most spender.
Where should I install my hood?
One of the main doubts of those looking for an exhaust fan is whether to install the equipment on the wall or ceiling, and if any of these options is more recommended.
The problem with exhaust fans that are placed on the wall is that they are usually not as efficient in evacuating hot air, as this air usually goes up to the ceiling.
This is one of the reasons why positioning is important. In addition, ceiling fans can also incorporate lamps, so that they are part of the decoration of the environment.
An exhaust fan can cost between R $ 70 and R $ 5,000, depending on the material and the use you are going to make of it, because if you want an industrialist it will end up being more expensive.
The material is also one of the factors that differentiate the price of hoods, since those made of plastic are usually cheaper, as it is a simpler raw material.
Power is another factor that differentiates cheaper and more expensive hoods, as it is usually lower in those with the lowest cost, and it is often not possible to choose the speed at which you want it to work.
Where to buy?
On the Internet, you will find exhaust fans on several sites such as Amazon among many others. This is a more convenient way to find your equipment, as you will not need to leave the house for this.
Many consumers still prefer to buy in the physical store itself, either by attending to the seller, who will explain in detail each of the devices or by the greater confidence in making the payment on the spot.
Did you know that Thomas Jefferson, who was president of the United States between 1801 and 1809, had a ventilation system in his homes that was very similar to today’s exhaust fans?
He was personally involved in the construction of the houses, and that system consisted of lined windows that let a stream of fresh air into the house, with an octagonal dome on the ceiling, which allowed hot air to escape through the convection.
Purchasing criteria: Main features for evaluating a range hood
There are certain characteristics that are fundamental in hoods, such as those listed below:
- Extraction speed
- Humidity sensor
Below we will detail the most important features so that you can choose the most suitable equipment for you.
One of the most annoying things about an exhaust fan is the noise it makes when they are on, as many of them have an upper decibel limit than what is allowed for appliances.
Devices that have a decibel level between 60 and 65, despite being considered unpleasant, do not cause health problems, since those that reach more than 85 decibels are harmful.
Some exhaust fan models emit 40 decibel noise, but are less powerful. Normally, the higher the power, the greater the noise level of the device.
This can be worrisome in work environments where the hood stays on for long periods, as a device that makes a lot of noise can cause reduced employee performance and even deafness.
This is a feature that will ensure that you do not have “headaches”, because if you check before buying if cleaning the equipment is easy, you will not have to waste a lot of time on this task in the future.
Kitchen filters, for example, usually accumulate a lot of fat, in addition to dust, and when they start making more noise than normal, it is a sign that it is time to change equipment.
It will be much easier to know if it is time to change the filter or not if your equipment has an indicator that determines whether it is time for that.
They are usually more expensive when they have this function, but it’s worth it so you don’t have to guess when to make this replacement.
Some hoods have disposable filters, while others have reusable filters. With a reusable filter you will spend less money, and your equipment will be more sustainable.
The extraction speed determines the power of the device, because the higher it is, the greater the capacity of air renewal that the equipment will be able to make.
This value must be analyzed according to the measurements of the place where it will be placed, as this will determine the amount of air that environment needs.
After all, there is no point in placing low-powered equipment in a large environment, as you will not feel any difference in air quality, nor will you notice a reduction in bad odors.
The amount of fresh air that the room you want to place the hood needs is measured in cubic meters per hour (MMH), and is determined as follows:
- You must determine the volume of the room, by multiplying the length, width and height.
- You must find the number of air changes required in 1 hour according to the environment. Usually 20 times an hour is normal for environments that are not very busy.
- Then just multiply the volume by 20 to find the capacity that your hood should have.
An item that has been added to many exhaust fans in recent years is the timer, which allows you not to spend a lot of electricity when you forget the connected equipment, as it will automatically shut down.
This solution is also great for the hood to be turned on automatically, as it is not always that users remember that they must leave it on for a few minutes during the day so that the environment does not get moldy.
Usually, when people remember to leave the hood on, they forget and end up leaving it on for a long time, or simply forget to turn on.
So that your relationship with the hood is not extreme, look for a device that comes with a timer, so that it automatically turns on and off, without you having to remember that.
Installing an exhaust fan is not one of the easiest tasks, as it needs to be properly seated, otherwise the appliance may make unnecessary noise and even damage.
Most of the time, the best way to install an exhaust fan is with a technician who has experience in the subject, and who will help you save time.
It is better to spend a little more for the security that a technician will provide you that the device is really installed correctly and that it will work with maximum efficiency.
This feature is especially useful in bathroom hoods, because when these devices have this function, they turn on automatically when they perceive humidity through the sensor.
So you don’t have to keep reminding yourself to turn the hood on and off, as it will do it automatically.
There are also other types of sensors that can accompany the hood that are also useful, as is the case with motion sensors, which activate the equipment as soon as someone enters the environment.
These features are also very interesting to save electricity, since the equipment will be turned on and off automatically.