Drybulb
Power systems
Liquid cooling
AI factory design
Open tools

AI factory engineering, by the engineers who build them.

Drybulb publishes rigorous technical writing on AI infrastructure — power systems, liquid cooling, networking, reliability, and sustainability — alongside a growing library of practical engineering tools. Written for the owners, investors, and engineering teams making high-stakes infrastructure decisions.

Engineering tools

Free, open tools for data center and AI infrastructure engineers. Starting with a PUE calculator — more on the way.

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PUE Calculator

Beta

Estimate Power Usage Effectiveness from IT load, cooling, and overhead inputs. Compare against industry benchmarks for traditional and AI-dense facilities.