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Fan Control

Fan Control

A lean, bloat-free Windows app for building custom fan curves from any sensor.

softwareSystem Monitorsfan-curvestemperature-monitoringpc-cooling
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Our Verdict

Best for

Enthusiasts who want granular, multi-sensor fan curves without vendor RGB-suite bloat.

Skip if

You run macOS or Linux, or just want a simple set-and-forget default curve.

What is Fan Control?

Fan Control is a Windows utility by developer Remi Mercier (Rem0o) that gives PC builders granular control over CPU, GPU, case, and AIO pump fans. Instead of relying on motherboard BIOS curves, it reads temperatures from multiple hardware sources at once and lets you graph custom fan-speed responses per component. It uses the open-source LibreHardwareMonitor library for sensor data and supports a plugin system for extra hardware support (including some Dell laptops and HWiNFO integration). The app itself is closed-source but completely free, distributed via GitHub releases and package managers like Winget, Scoop, and Chocolatey.

SpecificationsAI-estimated

deploymentDesktop App
open source❌ No
api available❌ No
support optionsGitHub issues and community wiki

Key Features of Fan Control

Build custom fan curves per fan using a graphical editor tied to any detected temperature sensor.
Mix multiple sensor sources (CPU, GPU, motherboard, storage) into a single blended fan response.
Save and switch between multiple named profiles for different workloads or noise targets.
Runs as a Windows service at boot without requiring a logged-in user session.
Extend hardware support through community plugins, including HWInfo and select Dell laptop sensors.
Fine-tune fan behavior with step counts, start/stop percentages, response time, and hysteresis.
Set calibration avoid-points so fans skip RPM ranges that cause rattling or resonance noise.
Show live temperatures directly in the system tray for at-a-glance monitoring.

Use Cases for Fan Control

1

Quiet home office builds

Create low-RPM curves that only ramp up under sustained load, keeping idle noise near silent.

2

Custom loop and AIO tuning

Blend coolant or CPU temperature sensors to control pump and radiator fan speed independently.

3

Replacing vendor bloatware

Swap out heavier motherboard-vendor fan control suites for a lighter dedicated tool.

4

Multi-GPU or workstation cooling

Set distinct curves per GPU or case zone in machines with many independently controlled fans.

Pros & Cons of Fan Control

Pros

  • Completely free with no ads, license keys, or nag screens
  • Very low resource footprint compared to full vendor RGB/control suites
  • Extremely granular curve and multi-sensor mixing control
  • Active development with a real plugin ecosystem

Cons

  • Windows only, no macOS or Linux build
  • UI and curve editor have a learning curve for first-time users
  • Relies on motherboard fan headers being software-controllable, which varies by hardware

Frequently Asked Questions

Is Fan Control really free?

Yes, it is free to download and use; the project accepts optional donations via PayPal and Stripe.

Does it work on laptops?

Support is limited and hardware-dependent; some Dell models are supported via a community plugin, but most laptops lock fan control at the firmware level.

Does it replace my motherboard's BIOS fan curves?

It runs at the OS level alongside BIOS settings, giving you dynamic control while Windows is running; BIOS curves still apply before boot.

Is the source code open?

The release repository only distributes compiled builds; the main application is closed-source, though it depends on the open-source LibreHardwareMonitor library.

Pricing Overview

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Free

Detailed plans are not listed. Visit the official website for pricing information.

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About the Product

Unclaimed Listing
Platforms
Windows
Target AudiencePC enthusiasts and system builders who want quieter, cooler custom-built machines

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fan-curvestemperature-monitoringpc-coolinghardware-controlwindows-utility

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