What is Accelsius?
Founded in 2022 by Innventure, Accelsius specializes in two-phase, direct-to-chip liquid cooling technology. The company addresses the critical thermal challenges inherent in modern data centers, particularly those supporting power-dense AI and edge computing applications. Its flagship NeuCool system utilizes a waterless, low-pressure dielectric refrigerant to manage heat loads exceeding 4,500 watts per socket. This approach not only enhances hardware reliability but also offers a significant reduction in annual operating costs compared to legacy single-phase cooling methods. With a focus on scalability and serviceability, Accelsius serves a diverse client base spanning enterprise, cloud, telecom, and financial services sectors.
How much funding has Accelsius raised?
Accelsius has raised a total of $89M across 2 funding rounds:
Series A
$24M
Series B
$65M
Series A (2024): $24M with participation from Innventure
Series B (2026): $65M led by Legrand, North & Central America and Johnson Controls
Key Investors in Accelsius
Legrand, North & Central America
A construction industry leader specializing in electrical and digital infrastructure solutions, focusing on sustainable and connected environments.
Johnson Controls
A diversified technology and multi-industrial firm that designs and installs advanced HVAC, building management, and energy efficiency systems.
Innventure
A venture firm that launches and scales companies targeting billion-dollar enterprise value by commercializing disruptive technologies from multinational partners.
What's next for Accelsius?
With this major enterprise-level funding, Accelsius is set to scale its operations and expand its footprint across North America and Europe. The strategic backing from industry leaders suggests a clear trajectory toward becoming a standard-bearer for sustainable data center infrastructure. Future growth will likely focus on deepening market penetration for the NeuCool platform, optimizing supply chain logistics for large-scale deployments, and continuing R&D efforts to support the next generation of high-performance chips. As power density continues to rise, Accelsius remains at the forefront of the transition toward more efficient, liquid-cooled digital ecosystems.
See full Accelsius company page
