
Startup Snapshot: Maxwell Labs
News ClipTwin Cities Business·St. Paul, Ramsey County, MN·4/10/2026
St. Paul-based Maxwell Labs is developing a novel laser-based cooling technology for data centers to address their high electricity and water consumption. Their "photonic waveguide network" converts microchip heat into light, allowing for significant heat recovery and potentially reducing cooling costs by 20-40% of a data center's power budget. The company has raised $5.2 million in Series A funding and aims for commercialization by 2028.
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Maxwell Labs, a St. Paul-based startup, is pioneering a laser-based cooling technology designed to address the escalating electricity and water demands of large-scale data centers. Co-founded by CEO Jacob Balma, CTO Alejandro Rodriguez, and Chief Growth Officer Mike Karpe, the company aims to offer a more sustainable alternative to traditional air or liquid cooling methods.
The core of Maxwell Labs' innovation is a "photonic waveguide network" that efficiently distributes light across a microchip's surface. This system then converts the heat generated by the microchips into light, which Karpe claims allows for the recovery of approximately 90% of this heat. This is a substantial improvement over existing cooling solutions and could significantly reduce a data center's power budget, potentially by 20-40%.
Responding to growing concerns over the environmental footprint of data centers, especially with the surge in AI and cloud computing, Maxwell Labs positions its technology as a critical solution. The company has successfully raised $5.2 million in Series A funding and is currently prototyping its system with plans for commercialization by 2028.