Intake Vs Exhaust Fan PC : Quick Guide For Techies

Have you ever felt your pc getting overheated abnormally? Is this happening after you have modified your pc? Don’t worry. This blog will tell you about Intake vs. Exhaust fan PC and whether you need to install the Intake and Exhaust fans.

The differences are straightforward: Intake fans bring fresh air into the PC, while exhaust fans kick stagnant air out.


Techyhost will guide you on installing the fans to get better performance and avoid overheating. We will discuss the adverse effects of overheating, intake, and exhaust fans. And how you will install them. We will also inform you what aspects to consider while buying a CPU fan. First, let’s learn the effects on your pc due to overheating.

cpu fan

Effects Due To Overheating 

Overheating is one of the major issues that almost every electronic has nowadays. Eventually, it leads to destroying the parts on your computer. So, if you face the issue of overheating, it’s better to resolve it as soon as possible.

Overheating destroys some of the specs. Let’s go through it.


If the processor overheats, the PC will slow down. Hence the programs will take a lot of time to load. Moreover, you will have to experience lag in doing any work.


So it’s essential to provide proper ventilation to pc through intake vs. exhaust fans.

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When the pc is abruptly heated, it drains a lot of battery. It leads to overheating and depletion of your computer’s health

battery intake and exhaust fans

.If this continues for long, the battery gets damaged and can no longer be used. In that case, a new battery needs to be bought.

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The motherboard is the most crucial spec of your computer. If the pc gets overheated, it will eventually slow down the pc. Installing Intake vs. Exhaust fans, pc is advised to prevent the motherboard from getting destroyed.


Install intake and exhaust fans to prevent all the issues mentioned above and ensure a healthy life for your system. 

Installing good quality Intake vs. Exhaust fan pc is a very effective remedy for overheating.

Learn why a laptop fan is so loud. Is there Malware?

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What Are Intake And Exhaust Fans?

A heatsink is installed in every CPU. The heatsink removes the heat from all the components. The heat remains inside the enclosed CPU if this air is not removed. This leads to even more heating. So, it’s essential to remove the heat. This is where intake and exhaust fans come into existence.

In simpler words, the Intake fan’s main task is to bring in fresh air. At the same time, the Exhaust fan’s mission is to remove the heat. This way, the ambient temperature inside the CPU and pc can be maintained.

exhaust fan

You will find four screw holes at each corner of the CPU. It’s essential to place the fans strategically to get better coolness. An intake and exhaust fan are both identical. You must put them appropriately to bring in cool air and drive out the hot air.

Installing Intake Vs. Exhaust Fan PC 2023

We will teach you how to position the fans to provide the best air to the pc. The most effective way of placing them is that the air stream starts at the intake and ends at the exhaust fan.

An intake fan must be installed at the front of the CPU. And exhaust fan should be at the back of the CPU. In this way, a PC fan setup is done.

intake and exhaust fans

Please follow the image we have provided to understand better installing them.

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CPU Fan Direction

We will tell you that all intake and exhaust fans have the same direction if you are confused about the CPU fan direction while installing it.

It depends on how you are going to place it. If you put the open side on the outside, the airflow direction will be inwards. If you place the grill side on the outside, the airflow will be inwards.

cpu fan direction

It’s a pretty simple mechanism. Please follow the image above for better clarification of the CPU fan direction.

I love gaming, have a look at the best CPU fans of 2023.

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Choosing Fans

It is very crucial to choose the right fan for your pc. It would be best to remember some things while buying the fans.chhosing intake and exhaust fans Now let’s look at the factors:


Case Compatibility

All Intake and Exhaust fans are not of the same size. And all the cases in the CPU are also of not equal length.

case compatibility

Choosing the proper intake and exhaust fan should be based on measuring the distance between the adjacent screw holes.


RPM stands for Revolutions per Minute. The more the RPM better will be the spinning of the fan.rpm This will lead to better cooling of your device.


CFM stands for Cubic Feet per Minute. It defines the amount of air that can shift in a minute. Better CFM means better airflow.cfm It is one of the significant aspects you must check before buying CPU fans.


DBA represents the decibel statistic. Please buy a fan with low dBA because the more the dBA, the more the sound will be.dba This may also result in degrading the pc health.


A lot of the fans come in 3 pins. However, many times, there are four pins fans for putting in the CPU. So, first, check what type of pins your pc support and then buy.


So first, ensure all the aspects before buying Intake vs. Exhaust fan PC.

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Now it’s time to answer some of the most asked questions regarding Intake and Exhaust Fans online.

How much does a CPU fan cost?

Is it necessary to have Intake and Exhaust Fans?

Is it a must to have SSD?

We believe we have cleared and answered all your queries.

See also: Best Cases For Water Cooling Your PC | For Gamers & Creators [2023]


In conclusion, installing an Intake vs. Exhaust fan PC will guarantee better longevity. Please follow our instructions carefully to install them on the CPU. But if you face any queries regarding these fans, please ask us in the comments section. And you will get our help. To get more tech solutions and solve tech bugs, follow Techyhost.

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