Skip to content

Airflow and hot/cold aisles

How air moves through equipment and aisles, and how to spot layouts that cook your servers.

Level
Beginner
Length
About 30 minutes
Contents
3 lessons · 1 video · final exam
Status
Published · updated 1 Oct 2026

Skills you'll practise

  • Explain front-to-back airflow and hot/cold aisle containment
  • Identify reversed equipment or rows from a layout diagram
  • Recommend fixes such as blanking panels and matching fan direction

Course outline

  1. 1.Airflow and hot and cold aislesVideo · 1 min
  2. 2.Front-to-back airLesson · 12 min
  3. 3.Raised floors, perforated tiles and cable openingsLesson · 12 min
  4. 4.Equipment airflow direction and fan optionsLesson · 12 min
  5. 5.Airflow and hot/cold aisles: knowledge checkKnowledge check · 20 questions
  6. 6.Rack running hot after a switch installScenario
  7. 7.Final exam6 questions · passing it completes the course, so people who already know the material can test out

Sources it draws on

The lessons and questions are written from these references, so learners can go back to the original.

  • ASHRAE TC 9.9: Thermal Guidelines for Data Processing Environments
  • ANSI/TIA-942: Telecommunications infrastructure standard for data centers

See it with your own jobs and topics

Tell us about your team and we'll walk you through setup, from choosing jobs to your first skills check.