How to improve your PC's airflow for better cooling

Here's how to think about your fans.

By Robin Bea Oct. 24, 2026 8:45 am EST WD PIX/Shutterstock Add Engadget on Google: Google Discover

When you're building or upgrading a PC, chances are you're thinking more about how to improve your machine's performance than you are about where you're going to put the fans. Improving airflow might not be as exciting as adding a new graphics card, but it's essential to getting the most out of your rig. Fortunately, there are a few simple principles you can apply to any PC build to keep all your components running cool.