diff --git a/hardware.md b/hardware.md
index f1dce9c..35c89d9 100644
--- a/hardware.md
+++ b/hardware.md
@@ -12,7 +12,9 @@ This is a surprisingly straight forward project that has minimal in the way of h
 * HDMI Monitor (TESTING)
   * Please note: **these are the panels we are TESTING** ; do not use these unless you'd like to help us sort the settings needed for use
   * [wisecoco panels](https://wisecoco.en.alibaba.com/)
-* Cooling is being *tested* presently. Our original fan choice turned out to be more problematic than it's worth.
+* Fan/Cooling
+  * The [Argon Fan Hat](https://www.argon40.com/argon-fan-hat-for-raspberry-pi-4-raspberry-pi-3b-and-raspberry-pi-3-b.html) is a nice adjustable fan setup for the Raspberry Pis. We recommend this as the fan to use.
+  * *Please Note*: The Pimoroni Fan Shim *will cause problems*. Do **NOT** use it for your PiFrame build. We promise, it's unwise due to the pinout and more.
 * USB to Serial adapter
   * There are a lot of options, choose one you know that will work well
   * Adafruit and SparkFun are good choices for serial to usb adapters