# Academy

Courses from Liquid Cooling. Pass the exam to earn a certificate of completion.

## Foundations

- [Liquid cooling foundations for buyers](https://liquidcooling.fyi/academy/liquid-cooling-foundations.md): Learn how liquid cooling moves heat, what the CDU and the two loops do, what the ASHRAE W classes mean and how PUE and WUE are defined, so you can read a listing and ask the right questions.

## Practitioner

- [Evaluate a liquid cooling vendor before you buy](https://liquidcooling.fyi/academy/evaluate-a-liquid-cooling-vendor.md): A practical method for judging a liquid cooling vendor: write your requirement, check the flow numbers in a quote, ask about coolant, materials and warranty, and question resilience, service and contract terms.

## Specialist

- [Plan a liquid cooling rollout](https://liquidcooling.fyi/academy/plan-a-liquid-cooling-rollout.md): How to match a server specification to facility water, choose a retrofit path, run commissioning and acceptance, and measure and report PUE and WUE once a liquid cooling system is live.

Also on the [web page](https://liquidcooling.fyi/academy).