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Feature Interview III · Data Center Design & Thermal Architecture · 2026

Built for Heat

What the data center looks like when you ask the right question first.

Dimitri Wolf M.Sc. Mechanical Engineering Strategic Advisor · Aquatherm GmbH In preparation · 2026

This is the third interview in a series on thermal infrastructure and the future of data center design — following The Thermal Plug and The Reverse Thermal Plug. Dimitri Wolf's background spans Siemens AG and Shell, covering energy value chains from conventional systems to renewable infrastructure transformation.

Every data center being built today is an optimised version of a decision made in 1985. The hardware has changed beyond recognition. The assumption underneath it all — that heat is a problem to be managed, rejected, and forgotten — has not moved an inch.

Interview III asks what happens when you question that assumption before the first concrete is poured. Not as a regulatory exercise. Not as a sustainability gesture. As a first-principles design decision that changes what the building is, what it produces, and what it is worth in 2075.

The full conversation is in preparation.

"We have spent forty years getting better at the wrong answer. The question was never how to cool more efficiently. It was what to do with the heat."

Dimitri Wolf · Interview III preview

"Differently does not mean more expensive. It does not mean unscalable. It means starting with a different constraint — and letting the building follow from that."

Dimitri Wolf · Interview III preview

"The Thermal Plug is the interface. Interview III is about the building that makes it unnecessary to retrofit one."

Dimitri Wolf · Interview III preview

"Efficiency by purpose. Not efficiency by accident — not because we squeezed a better PUE out of a system designed to reject. Because the system was designed to deliver."

Dimitri Wolf · Interview III preview

"xAI built Colossus in 122 days. The industry knows how to move fast. The thermal decisions that define fifty years of asset value take minutes to make — at the design stage."

Dimitri Wolf · Interview III preview

"The campus built for heat in 2026 is still delivering value in 2075 — regardless of what the chips inside look like by then. The infrastructure outlasts the technology. That is the point."

Dimitri Wolf · Interview III preview

"Every data center built today is an optimised version of a decision made in 1985. Interview III asks what happens when you make a different decision — from the first concrete pour."

Dimitri Wolf

Full interview in preparation — returning shortly

Coming next · Interview IV

Heat as a Seed

When the data center is built for heat, what grows from it? Interview IV goes further — into the biological systems that become possible when a stable, continuous, low-grade thermal source exists at industrial scale. Algae cultivation. Biogenic fuel production. Pharmaceutical fermentation. Controlled food systems. The heat output of AI infrastructure, redirected into biological manufacturing, closes the carbon loop that AI opened. The biology is proven. The heat is available. The question is whether we build the connection before someone else does — or before the planet makes the decision for us.

And then further still. Biological systems robust enough to function beyond Earth begin with biological systems robust enough to function on it. The same thermal logic that anchors a biogas cluster in the Rheinisches Revier is the logic that sustains life in a habitat that does not have a sun close enough to rely on. Terraforming does not begin with rockets. It begins with the decision to treat heat as a seed — and build the biology around it. That work starts here.

Algae cultivation Biogenic fuels Pharmaceutical fermentation Controlled food systems Terraforming In-space biomanufacturing Closed-loop biology Carbon loop closure