What is Accelsius?
Accelsius is a specialized technology firm focused on the development and commercialization of next-generation cooling systems for data centers and edge computing environments. Its flagship offering, the NeuCool platform, utilizes a waterless, low-pressure dielectric refrigerant to manage the thermal output of high-performance CPUs and GPUs. By enabling cooling at 4,500 watts or more per socket, Accelsius addresses the primary bottleneck in AI-driven infrastructure: heat dissipation. The company's solution is engineered to provide significant operational cost reductions—up to 35% compared to legacy single-phase systems—while maintaining high reliability and serviceability. With a footprint spanning North America and Europe, Accelsius serves a diverse clientele, including cloud providers, financial institutions, and telecommunications firms, effectively positioning itself as a critical enabler of the next wave of high-performance computing.
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 Johnson Controls and Legrand, North & Central America
Key Investors in Accelsius
Innventure
A venture firm established in 2015 that specializes in launching companies with over 1 billion dollars in potential enterprise value by commercializing disruptive technologies from multinational partners.
Johnson Controls
A global leader in diversified technology and multi-industrial solutions, focusing on HVAC systems, building management, and advanced energy efficiency technologies for commercial and industrial applications.
Legrand, North & Central America
A specialist in electrical and digital building infrastructure, providing sustainable and innovative solutions that enhance the connectivity and efficiency of built environments.
What's next for Accelsius?
With the successful closure of this major strategic investment, Accelsius is poised to transition into a phase of rapid commercial expansion and product iteration. The company will likely focus on scaling its manufacturing capabilities to meet the surging demand from hyperscale data centers and enterprise-level AI deployments. Furthermore, the strategic alignment with industry leaders in building management and electrical infrastructure suggests a roadmap centered on deep integration within the broader data center ecosystem. As power density continues to rise, Accelsius is well-positioned to capture significant market share by providing the thermal efficiency required to sustain the next generation of high-performance hardware, ultimately driving long-term value for its stakeholders and partners.
See full Accelsius company page