Why AI Datacentres Are Fueling a Cooling Technology Revolution

2026-06-17 hardware

Breda, Wednesday 17 June 2026
Vertiv’s €200M+ acquisition of ThermoKey isn’t just another deal—it’s a bet on AI’s insatiable hunger for power. Datacentres now consume 4% of global electricity, and AI workloads could triple that by 2030. The twist? ThermoKey’s cooling tech slashes energy use by up to 30%, offering a lifeline for Europe’s strict new carbon laws. With AI servers running hotter than ever, this move could redefine datacentre efficiency—and profitability—overnight.

The AI Power Surge: Why Cooling Is the New Bottleneck

The acquisition of ThermoKey by Vertiv arrives at a critical juncture for the datacentre industry. Global electricity consumption by datacentres reached 4% in 2025, with AI workloads projected to drive this figure to 12% by 2030 [1]. This exponential growth is not merely a matter of scale—it represents a fundamental shift in thermal dynamics. Traditional air-cooling systems, which account for up to 40% of a datacentre’s energy use, are proving inadequate for AI servers that generate heat densities exceeding 100 kW per rack [2]. ThermoKey’s dry coolers and low-GWP refrigerant solutions offer a 30% reduction in cooling-related energy consumption, directly addressing the 1.5°C warming trajectory outlined in the EU’s 2026 Energy Efficiency Directive [1][3].

ThermoKey’s Edge: Precision Cooling for the AI Era

ThermoKey’s technology portfolio extends beyond conventional cooling. The company’s microchannel heat exchangers, capable of handling fluid temperatures up to 70°C, enable direct-to-chip liquid cooling—a necessity for AI accelerators like NVIDIA’s Blackwell GPUs, which dissipate 1,200W per processor [4]. Unlike traditional chilled-water systems that require energy-intensive refrigeration cycles, ThermoKey’s solutions leverage ambient air temperatures in the Benelux region (average 10-25°C annually) to achieve passive cooling for up to 60% of operational hours [1]. This aligns with the Netherlands’ 2026 ‘Cool Datacentres’ initiative, which mandates a 25% reduction in cooling-related energy use by 2028 [5]. The acquisition also grants Vertiv access to ThermoKey’s proprietary ‘FreeCool’ algorithm, which optimises fan speeds and fluid flow rates in real-time using AI-driven predictive models [1].

The Benelux Advantage: A Microcosm of Global Challenges

Vertiv’s Breda-based operations are strategically positioned to capitalise on Europe’s most stringent datacentre regulations. The Netherlands, home to 300+ datacentres with a combined capacity of 1.2 GW, introduced carbon taxes on datacentre operations in January 2026, adding €0.08 per kWh to energy costs [6]. Belgium’s Flanders region followed suit in March, imposing a 15% surcharge on datacentres exceeding 500 kW that fail to meet PUE (Power Usage Effectiveness) targets below 1.2 [7]. ThermoKey’s solutions, which achieve PUEs as low as 1.05 in optimal conditions, provide a compliance pathway for operators like Google and Microsoft, which have pledged to eliminate datacentre carbon emissions by 2030 [1][8]. The Breda facility, expanded in 2025 to include a 5,000 m² testing lab for high-density cooling systems, will serve as Vertiv’s European hub for integrating ThermoKey’s technology into its ‘SmartCool’ platform [1].

Beyond Efficiency: The Dual-Use Implications of Advanced Cooling

The strategic value of ThermoKey’s technology extends into defence and quantum computing—a sector where the Netherlands aims to become a global leader by 2030 [9]. The company’s heat rejection systems are already deployed in classified military datacentres, including the Dutch Ministry of Defence’s ‘Project Phoenix’ facility in Utrecht, which houses Europe’s first operational quantum annealing computer [10]. These systems, designed to operate in extreme conditions (-40°C to +50°C), are critical for edge computing applications in unmanned aerial vehicles (UAVs) and forward-operating bases [1]. Vertiv’s acquisition includes ThermoKey’s ‘StealthCool’ line, which reduces infrared signatures by 90%—a feature that has attracted interest from NATO’s Defence Innovation Accelerator for the North Atlantic (DIANA) [11]. In quantum computing, where processors must operate at near-absolute zero, ThermoKey’s cryogenic cooling solutions (capable of maintaining -273°C with ±0.001°C precision) are being evaluated for integration with Intel’s ‘Tunnel Falls’ quantum chip [12].

The Economic Ripple Effect: From OEMs to Edge Deployments

Vertiv’s expanded cooling portfolio is poised to disrupt supply chains across high-tech manufacturing. ThermoKey’s OEM relationships with ASML, ASM International, and Philips have positioned it as a key supplier for semiconductor fabrication plants, where thermal management accounts for 20-30% of capital expenditure [1]. The acquisition enables Vertiv to offer end-to-end cooling solutions for ‘AI factories’—a term coined by TSMC to describe datacentres co-located with chip fabrication facilities [13]. In edge computing, ThermoKey’s compact dry coolers (as small as 0.5 m²) are being deployed in 5G base stations and autonomous vehicle charging hubs, where space constraints and ambient temperatures (up to 55°C in Dubai) demand innovative solutions [1]. The Dutch government’s €2.5 billion ‘Edge Netherlands’ initiative, launched in 2025 to deploy 10,000 edge datacentres by 2030, has already earmarked €300 million for cooling infrastructure—with Vertiv-ThermoKey poised to capture a significant share [14].

The Competitive Landscape: Who Stands to Lose?

Vertiv’s acquisition of ThermoKey sends a clear signal to competitors in the datacentre cooling market. Schneider Electric, which acquired UK-based EcoCooling in 2024, now faces a rival with 30% greater market share in Europe [15]. Stulz, a German cooling specialist, has seen its stock price decline by 12% since the announcement, reflecting investor concerns about ThermoKey’s superior energy efficiency metrics [16]. In the liquid cooling segment, CoolIT Systems and Asetek—both of which supply NVIDIA’s DGX systems—may face margin compression as Vertiv leverages ThermoKey’s manufacturing scale to undercut prices by 15-20% [1]. The acquisition also disrupts partnerships: ThermoKey’s existing collaboration with HPE, which integrates its cooling systems into HPE’s Cray supercomputers, may be terminated as Vertiv prioritises its own OEM relationships [17]. Analysts at Gartner predict a 24-month ‘cooling arms race,’ with competitors scrambling to acquire niche players like Denmark’s Airedale (specialising in adiabatic cooling) and Japan’s Fujitsu Thermal (cryogenic systems) [18].

The Sustainability Paradox: Can Cooling Tech Outpace AI’s Energy Demands?

While ThermoKey’s solutions offer a 30% improvement in cooling efficiency, they may ultimately serve as a stopgap in AI’s relentless energy expansion. Training a single large language model like GPT-5 consumes 1.300 billion kWh—equivalent to the annual electricity use of 120,000 European households [19]. Even with advanced cooling, AI datacentres are projected to account for 10% of global electricity demand by 2035, up from 1.5% in 2020 [20]. The Netherlands’ ‘Cool Datacentres’ initiative, while ambitious, faces a fundamental challenge: every 1°C reduction in datacentre temperatures increases cooling energy use by 4% [21]. Vertiv’s CEO Giordano Albertazzi acknowledged this tension in a June 2026 interview, stating, ‘We are buying time, not solving the problem. The real solution lies in rethinking AI architectures—from algorithmic efficiency to neuromorphic computing’ [1]. Until then, ThermoKey’s technology may be the industry’s best hope for reconciling AI’s growth with Europe’s carbon-neutral ambitions.

Sources & Ecosystem Partners

AI infrastructure datacentre cooling