Monitor sensors
CPU, GPU, battery, AirPort, and power readings in one board.
Apple Silicon cooling control
Monitor thermal sensors and control detected fans from a quiet macOS panel.
Why CoolBoard
01 / 04Cooling visibility for heavy Apple Silicon workloads.
Use CoolBoard when local AI, long builds, video exports, or desk setups push your Mac beyond what the default menu bar shows.
Live thermal loop
Auto-ready
CPU72 C
GPU48 C
Fans60%
Set fans fast
Use Auto or direct 0-100% presets for detected fans.
Restore Auto
Sleep and wake return cooling to Auto and require a fresh manual click.
Install
macOS 14+, Apple Silicon, administrator approval for the helper.
Safety
Auto by default. Sleep, wake, quit, and errors clear manual fan targets.
Compatibility
Fanless MacBook Air models run monitoring only and show zero detected fans.
Open Source
MIT licensed SwiftUI app with documented AppleSMC limitations.