Accelsius Closes $65 Million Series B Funding Led by Johnson Controls; Legrand Joining Round to Scale Liquid Cooling for Gigawatt-Class AI Factories
MWN-AI** Summary
Accelsius has successfully closed a $65 million Series B funding round, with significant investment from Johnson Controls (JCI) and Legrand, aimed at scaling its innovative two-phase, direct-to-chip liquid cooling solutions for data centers, particularly those intended for AI and high-performance computing. This funding comes at a time when thermal management solutions are becoming critical to support the increasing power densities required by modern AI technologies.
The investment from JCI and Legrand grants Accelsius a strategic advantage in the market. JCI, a recognized leader in smart building technology, offers expertise in advanced thermal management solutions, while Legrand provides a broad portfolio of infrastructure solutions vital for data centers. This collaboration signifies a commitment to developing efficient cooling technologies, crucial for an industry transitioning from traditional air cooling to more sustainable liquid cooling systems.
Accelsius’ proprietary NeuCool® platform promises to revolutionize cooling efficiency by allowing for massive power handling essential for modern GPU deployments. The company claims that its two-phase cooling solutions can deliver up to 35% operational expenditure savings compared to traditional single-phase systems, enhancing energy efficiency substantially.
As data center operations prepare for a future driven by AI capabilities, ensuring efficient thermal management has become imperative. With strategic backing and a robust technological foundation, Accelsius is poised to advance its production and expand globally, including a recent agreement to implement its technology on a large-scale campus in Ontario.
This recent funding cements Accelsius’ leadership position in a rapidly evolving landscape, where effective cooling solutions could mean the difference between operational feasibility and success for next-generation data centers.
MWN-AI** Analysis
Accelsius’s recent $65 million Series B funding, led by Johnson Controls and supported by Legrand, positions the company at the forefront of liquid cooling solutions for AI and high-performance computing (HPC) data centers. This strategic investment reflects a robust market demand for advanced thermal management technologies necessary to contend with the intense heat output of modern GPUs, which are increasingly pivotal in AI applications.
Accelsius has developed the NeuCool® platform, utilizing two-phase, direct-to-chip (D2C) liquid cooling technology, which is projected to offer substantial operational expenditure (OpEx) savings—reportedly 35% over single-phase cooling methods. This innovation aligns perfectly with the sector’s shift from conventional air cooling systems, which can consume up to 40% of energy in data centers. The growing urgency for energy-efficient solutions positions Accelsius favorably in a rapidly evolving market landscape.
The backing of leading industry players like Johnson Controls, renowned for its legacy in thermal management and sustainable building solutions, is expected to enhance Accelsius’s credibility and market penetration. Legrand’s investment further strengthens this by contributing a diverse range of power distribution and connectivity solutions. These alliances provide a competitive edge, as cumulative expertise in infrastructure can accelerate Accelsius's scalability and product deployment timelines.
For investors, the transition towards AI-capable data centers represents a significant growth opportunity. Accelsius’s focus on enhancing energy efficiency and operational sustainability places it among the few key players poised to capitalize on this trend.
With the ongoing expansion of data center capacities, particularly those leveraging AI technologies, Accelsius stands to lead the charge in redefining thermal management paradigms. Investors should keep a close watch on Accelsius as it embarks on this aggressive growth trajectory, potentially yielding solid returns amid an increasingly competitive landscape.
**MWN-AI Summary and Analysis is based on asking OpenAI to summarize and analyze this news release.
Strategic investment fuels Accelsius’ rapid growth and the deployment of proprietary high-cooling capacity reference designs, backed by Johnson Controls and Legrand to meet the intense thermal demands of the AI era.
Accelsius, the leader in two-phase, direct-to-chip liquid cooling for AI and high-performance computing, today announced the closing of its Series B funding round, raising $65 million. The round was led by Johnson Controls (JCI), the global leader for smart, healthy and sustainable buildings, with strategic investment from Legrand, a global specialist in electrical and digital building infrastructures.
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Accelsius' MR250, the company’s first row-based Coolant Distribution Unit (CDU) and the latest advancement in scaling two-phase, direct-to-chip (2P D2C) liquid cooling for AI and high-performance computing (HPC) data centers.
This investment underscores the intense demand for robust liquid cooling solutions capable of managing the extreme thermal densities of next-generation high-performance compute and AI chips.
The investment by Johnson Controls and Legrand provides Accelsius with a unique strategic advantage. Johnson Controls, which previously announced its investment in Accelsius, has deep expertise in thermal management and has pioneered several innovations for data centers, including its YORK® YVAM chiller, technology that improves total facility efficiency. Legrand brings a vast portfolio of data center infrastructure solutions, including power distribution, rack infrastructure and connectivity.
“We are witnessing the dawn of a new era in digital infrastructure, where the 'AI Factory' replaces the traditional data center. To meet the demands of this age, we must build responsibly and efficiently at a gigawatt scale,” said Josh Claman, Chief Executive Officer of Accelsius. “The investment from industrial giants like Johnson Controls and Legrand is about more than just capital; it signals strong potential and accelerating adoption of two-phase approaches that deliver high-performing AI solutions with unmatched efficiency.”
“AI-scale computing is rewriting the thermal playbook. Our investment in Accelsius aligns with Johnson Controls’ strategy and commitment to deliver advanced, high-efficiency cooling solutions that enable operators to deliver AI solutions rapidly, now and in the future,” said Austin Domenici, Vice President and General Manager, Global Data Center Solutions at Johnson Controls.
Today’s IT racks already consume up to 130 kilowatts of power. As data centers pivot from traditional air cooling, which consumes up to 40 percent of a data center’s power use, to liquid cooling to handle the massive heat generation of modern GPUs, Accelsius, as the pioneer of two-phase liquid cooling, is positioned to lead the transition with its proprietary NeuCool® technology. Its two-phase solutions use non-conductive fluids in highly efficient loops - enabling 35% OpEx savings over single-phase direct-to-chip and 8–17% total cost of ownership savings.
The Series B capital will accelerate Accelsius’ rapid expansion of its Austin production facility, speed global expansion, and support the rollout of its proprietary, two-phase liquid cooling solutions.
Accelsius, a member of NVIDIA’s Inception program, is building new thermal reference designs that allow for significantly greater cooling capacity than previously considered possible, enabling operators to deploy high-performance GPUs at density without compromising efficiency or sustainability.
This announcement follows a period of rapid momentum for Accelsius, marked by significant customer acquisition, including the recent agreement to deploy NeuCool® technology across a 300 MW campus for DarkNX in Ontario.
“The data center industry is facing a critical inflection point where thermal management is no longer just a facility concern, but a strategic imperative for IT performance,” said Brian DiBella, President and CEO of Legrand, North and Central America. “Accelsius’ two-phase, direct-to-chip technology offers a clear path to supporting the heat densities of AI workloads while improving energy efficiency. We are proud to invest in a company that is not only innovating but doing so with a focus on sustainability and operational practicality.”
About Accelsius
Founded by Innventure, Inc. (NASDAQ:INV), Accelsius empowers data center and edge operators to achieve their business, financial and sustainability goals through advanced cooling solutions. The proprietary NeuCool® platform provides best-in-class thermal efficiencies through a safe, two-phase, direct-to-chip liquid cooling system that scales from single racks to entire data centers. For more information, visit accelsius.com or follow us on LinkedIn .
About Johnson Controls
At Johnson Controls (NYSE:JCI), we transform the environments where people live, work, learn and play. As the global leader in smart, healthy and sustainable buildings, our mission is to reimagine the performance of buildings to serve people, places and the planet.
Building on a proud history of nearly 140 years of innovation, we deliver the blueprint of the future for industries such as healthcare, schools, data centers, airports, stadiums, manufacturing and beyond through OpenBlue, our comprehensive digital offering.
Today, Johnson Controls offers the world's largest portfolio of building technology and software as well as service solutions from some of the most trusted names in the industry.
Visit johnsoncontrols.com for more information and follow @Johnsoncontrols on social platforms.
About Legrand
Legrand is the global specialist in electrical and digital building infrastructures. Its comprehensive offering of solutions for residential, commercial, and datacenter markets makes it a benchmark for customers worldwide. The Group harnesses technological and societal trends with lasting impacts on buildings with the purpose of improving life by transforming the spaces where people live, work and meet with electrical, digital infrastructures and connected solutions that are simple, innovative and sustainable. Drawing on an approach that involves all teams and stakeholders, Legrand is pursuing a strategy of profitable and responsible growth driven by acquisitions and innovation, with a steady flow of new offerings that include products with enhanced value in use (energy and digital transition solutions: datacenters, digital lifestyles and energy transition offerings). Legrand reported sales of €8.6 billion in 2024. The company is listed on Euronext Paris and is a component stock of the CAC 40, CAC 40 ESG and CAC Transition Climat indexes (code ISIN FR0010307819). www.legrand.us
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FAQ**
How does the strategic investment from Johnson Controls International plc JCI enhance Accelsius' competitive advantage in the two-phase liquid cooling market?
In what ways will Johnson Controls International plc JCI support Accelsius in accelerating the rollout of its proprietary NeuCool® technology in the face of growing AI demands?
What specific innovations from Johnson Controls International plc JCI can be expected to complement Accelsius' two-phase cooling solutions in improving data center efficiency?
How does Accelsius plan to leverage its partnership with Johnson Controls International plc JCI to expand its market presence and customer acquisition in the AI sector?
**MWN-AI FAQ is based on asking OpenAI questions about Innventure Inc. (NASDAQ: INV).
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