Choosing an Exhaust Fan for Your Bathroom

Choosing an Exhaust Fan for Your Bathroom


An exhaust fan is a fan innovated for the purpose of venting out contaminants such as moisture, odors and smoke from the air. Exhaust fans are commonly used in kitchens and bathrooms. These are places where steam is almost always present and can promote a conducive environment for the growth of mold. Molds may result to allergies, respiratory issues, skin rashes and in some cases eye irritation. It is also worth noting that high levels of humidity in a room including a bathroom may lead to major damages on tiles, peeling of paints and rusting of fixtures in the room in question. Therefore, an exhaust fan is basically used to promote the air quality in a room in order to prevent such damages.

Choosing an Exhaust Fan for Your Bathroom

What you should consider while choosing an Exhaust Fan for your Bathroom

In order to maximize the benefits of an exhaust fan in your bathroom, there are several very critical factors that should guide you, whether you are installing an exhaust fan for the first time of replacing it.

The size of the bathroom
Exhaust fans comes in different Actual Cubic Feet per Minute of air flow within a room. For every 1square feet of your bathroom floor you need 1cfm to effectively vent the unwanted vapor particles from your bathroom. This will guide you in your choice of an exhaust fan that will ensure that the air quality in your bathroom is improved to the required standards.
The good thing is that exhaust fans have an indicated maximum actual cubic feet minute that it can ventilate making your work easier in fitting your bathroom with the required exhaust fan size.
However, it is worth noting that the conditions of your bathroom are also very crucial in determining the right exhaust fan for it. When the conditions are extreme, you will need an exhaust fan that is outside the specified size range in order to achieve the best quality of air circulation within your bathroom.

Static Pressure
Static Pressure is the resistance of the flow of air that may be exerted by liquids or gas. Static pressure monitors the various ventilation components in a room for purposes of determining the impact they have on the flow of air in a given system.
Exhaust fans usually create a positive static pressure that moves the air through a given ventilation system, while the other components in the system results to negative static pressure that causes a resistance to the flow of air in the system. The exhaust fan ensures an improved air flow by equaling the negative resistance created by other components and controlling it.
Determining the static pressure in an exhaust fan is very critical in that the temperatures going through such a fan affects the density and performance of that fan. Factors like the altitude the exhaust fan will be operating in are very critical in ensuring the right fan is installed in your bathroom. This is because altitude levels affect temperatures which finally affect the performance of the fan and the air condition in your bathroom.

The level of noise in a fan
Noise in a fan is usually measured in Sones. The noise level in a fan is an important consideration to make when choosing an exhaust fan for your bathroom. The lower the Sone rating in an exhaust fan the quieter the fan is likely to be. Normally, a quieter exhaust bathroom fan will be rated at 1.5 Sones or lower than that giving it the sound of a quiet refrigerator. It is therefore advisable to buy an exhaust fan whose noise level you can tolerate for as long as it is venting the contaminated air.

The best ventilation method of your bathroom
This is another important consideration to make when installing an exhaust fan in your bathroom. Exhaust fans can either be mounted in a wall, in a duct or on the roof. Those mounted in the wall pull steam and air directly outside from the bathroom. Those that are located on the roof are usually installed in the ceiling of the bathroom and pull the air and steam directly from the steam. The method is the most common in bathroom exhaust fans and is usually preferred due to its ability to effectively remove damp and hot air as it rises. The last method which includes exhaust fans being mounted in the ducts is the second most preferred method due to its ability to remain quieter than its counterparts. Further, the method comes in handy in cases where the there is no enough space in the ceiling.

Choosing an Exhaust Fan for Your Bathroom

Consider other additional features in the exhaust fan
It is advisable to choose an exhaust fan that has extra features for more effective performance in ensuring that the air condition is of good quality and also helping you have an easy time around the bathroom. Some of the extra features in an exhaust fan that you could consider include;
Overhead lighting that can be switched on by a motion sensor.
Motion sensor activation; this feature enables the exhaust fan to automatically turn on when a person enters the bathroom.
Humidity sensing features; this can automatically turn on the exhaust fan when high levels of humidity are detected.
Built in heaters; this feature ensures that the fan adds some heat in the event that the weather is cold.
Night light; this feature comes in handy at night and helps you find your way around the bathroom.

The fan model
This is also a very important consideration to make when choosing an exhaust fan for your bathroom. Different models of exhaust fans provide you with different benefits and it is up to you to consider the most suitable fan model for your needs.


It is therefore very important when choosing an exhaust fan for your bathroom to consider a fan that is going to improve the levels of humidity in your bathroom and take away the dampness; a fan that will remove the steam and counter ceiling, tiles and wall damages in the bathroom and remove the heat in the bathroom when the climate is hot. This will ensure that the exhaust fan helps maintain the bathroom air condition helping you keep healthy and maintain your house.

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