Front and bottom fans should face inward as intake, pulling cool air into the case. Correct fan placement matters for maintaining optimal temperatures and preventing component overheating through effective intake and exhaust airflow. Blades curving away indicate intake side, while blades curving toward you show exhaust side, helping configure positive or negative pressure setups. Put exhaust fans at the top or rear to push hot air out. This setup helps your system stay cool and dust-free. Tip: If you use Linkwell Computer Chassis Fans, you'll notice the arrows are clear and easy to spot. Arrow indicators found on fans point towards the direction of the airflow. Quick Answer: What Direction Should Case Fans Face? Clockwise vs.