Paul Owiredu

Cooling & Mechanical

How Data Center Cooling Systems Work

Every watt a server consumes becomes a watt of heat. There is no other place for the energy to go.

Paul Owiredu 4d ago · 12 min

Cooling & Mechanical

Inside data center cooling: How CRAC, CRAH, and chilled water systems work

The three dominant mechanical cooling approaches each solve heat rejection differently. Understanding their architectures helps o…

Paul Owiredu 4d ago · 5 min

Power & Electrical

Understanding PUE: How to actually benchmark your facility

Most operators calculate PUE wrong. Here's how to instrument your facility properly, avoid common measurement pitfalls, and make …

Paul Owiredu 5d ago · 5 min

Careers & Certifications

From field tech to data center engineer: a realistic career path

The route from hands-on technician to facility engineer isn't mysterious, but it does require specific technical skills and certi…

Paul Owiredu May 18, 2026 · 5 min

Latest Stories

Vertiv pitches 'converged infrastructure' as answer to AI deployment risk

Equipment vendor argues pre-integrated power, cooling, and controls solve AI data center complexity — but the concept relies on c…

Paul Owiredu May 17, 2026 · 3 min

Operations & Reliability

Tier classification explained: what I through IV actually mean

The Uptime Institute's tier system gets misused constantly. Here's what each tier actually requires — redundancy, maintenance win…

Paul Owiredu May 16, 2026 · 5 min