The thermal management industry is in the midst of its most dramatic transformation in decades. Rising power densities, AI-driven computing demands, and the electric vehicle revolution are forcing engineers to rethink every aspect of electronics cooling.
The global thermal management technologies market is projected to grow significantly through 2035, with hardware—including heat sinks, fans, blowers, and heat pipes—holding the largest share, while software and services emerge as the fastest-growing category as predictive control and monitoring become key differentiators.
This article examines the ten most important trends shaping the industry in 2026, drawing on the latest market data, academic research, and technology developments.
Trend 1: Liquid Cooling Penetration Accelerates in Data Centers
Liquid cooling is no longer a niche technology—it is rapidly becoming the default for high-density computing.
Key Developments:
Boyd’s AI liquid-cooling portfolio expansion (December 2025): The company introduced new coolant distribution units for rack and row-level heat exchange in GPU-intensive environments, targeting hyperscale, edge, and cloud AI infrastructure.
Industry shift: Component specialists are building end-to-end liquid-cooling capability to capture demand from AI servers whose power densities exceed what air cooling can handle.
Why It Matters:
AI servers now routinely exceed air cooling’s practical limits. Data center rack power density increased by 38% from 2022 to 2024, with AI clusters now pushing 80kW to 120kW per rack. Liquid cooling delivers 20x higher thermal efficiency compared to air cooling.
CGCooler’s Capabilities:
CGCooler provides liquid cold plates using multiple technologies—friction welding, vacuum brazing, and buried tube designs—supporting data center and high-performance computing applications with dedicated manufacturing facilities.
Trend 2: Thermal Interface Materials Reach New Performance Levels
TIMs are no longer an afterthought. Advanced materials are pushing conductivity and durability to new heights.
Key Development:
In December 2025, Henkel introduced Bergquist TGF 10000, an advanced liquid gap filler delivering approximately 10 W/m·K of thermal conductivity for high-power applications across automotive, telecommunications, computing, and network infrastructure.
The material is engineered to withstand high humidity, thermal extremes, heat aging, and vibration—illustrating how material suppliers are raising the bar to meet the demands of denser, hotter electronics in both computing and electrified-transport applications.
Why It Matters:
As power densities climb, traditional thermal greases and pads are reaching their limits. Metal-based TIMs, including solder TIMs, liquid-metal solutions, and phase-change metal alloys, are emerging for power-dense devices, some exceeding a kilowatt.
Trend 3: Additive Manufacturing Revolutionizes Heat Sink Design
3D printing is transforming heat sink manufacturing, enabling geometries that were previously impossible to produce.
Key Research:
A 2026 study published in ScienceDirect demonstrated a multi-material topology-optimized (MMTO) heat sink fabricated using laser powder bed fusion—a metal additive manufacturing technique.
The study’s key findings:
The MMTO framework simultaneously optimizes solid heat-conducting paths, fluid flow channels, and lattice heat-transfer structures
Experimental validation showed enhanced thermal-hydraulic performance compared to conventional straight-fin heat sinks of identical weight
This was the first MMTO-guided functional heat sink to experimentally demonstrate enhanced performance
Another Breakthrough:
Research presented at IEEE explored additive manufacturing of copper and ceramic for electronics cooling using metal binder jetting to print tree-shaped copper heat sinks with minimal thermal resistance.
Key finding: MBJ-printed cooling structures have the potential to improve thermal resistance by at least 50%.
Why It Matters:
Additive manufacturing eliminates thermal interface materials between the heat sink and device, reduces manufacturing complexity, and enables complex lattice architectures that dramatically increase surface area.
CGCooler’s Capabilities:
CGCooler’s manufacturing capabilities include CNC machining centers, skiving machines, and die-casting equipment for conventional heat sink production, with a focus on manufacturing feasibility from design to production.
Trend 4: Two-Phase Cooling Achieves Breakthrough Efficiency
Two-phase cooling is emerging as an energy-efficient alternative to single-phase liquid cooling, offering dramatically higher coefficients of performance.
Key Research:
A 2025 study published in ScienceDirect achieved bubbleless vaporization through acoustic atomization for dynamic fluid delivery.
The Results:
The dynamic dropwise evaporation demonstrated a heat transfer coefficient enhancement surpassing pool boiling by 12-fold at a superheat of 10K
Achieved a coefficient of performance (COP) of 24×10⁴—100-fold higher than spray boiling
Why It Matters:
Two-phase heat transfer uses the latent heat of vaporization, requiring minimal mass flow rate for heat removal—resulting in a considerable reduction in pumping power compared to single-phase liquid cooling.
Trend 5: Electrochemical Additive Manufacturing for Direct Cooling
A new manufacturing approach—electrochemical additive manufacturing (ECAM)—is enabling cooling structures to be printed directly onto substrates, eliminating thermal interface materials entirely.
Key Research:
A 2026 study proposed an integrated thermal management solution combining ECAM with triply periodic minimal surface (TPMS) structures.
Key Advantages:
ECAM operates at room temperature, enabling direct deposition onto temperature-sensitive substrates like PCBs and silicon wafers
Eliminates the TIM layer, significantly reducing system-level thermal resistance
TPMS structures increase heat transfer surface area and induce intense internal fluid agitation
Why It Matters:
This approach addresses two fundamental challenges in electronics cooling: interfacial thermal resistance and complex manufacturing processes.
Trend 6: Wick-Free Vapor Chambers Advance Passive Cooling
Vapor chambers are evolving beyond traditional wick-based designs.
Key Research:
A 2025 study reported a 3D numerical model of a wick-free vapor chamber (WFVC) employing surface wettability engineering to transport fluid without traditional wicking materials.
Advantages of WFVC:
Eliminates dry-out and pore clogging issues
Reduces thickness limitations
Enables efficient fluid redistribution to hot spots using hydrophobic and superhydrophilic surface modifications
Why It Matters:
WFVCs overcome the capillary limitations of conventional wicks, making them suitable for compact, high-power applications where space is constrained.
Trend 7: Automotive Thermal Management Market Surges
Electric vehicles are driving explosive growth in automotive thermal management—particularly for batteries and power electronics.
Market Data:
The battery thermal management market is becoming the highest-value domain, driven by fast-charging heat loads and tightening battery-safety requirements
Asia Pacific leads and grows fastest, anchored by China’s vast new-energy-vehicle production and dense supplier ecosystem
Key Development:
In September 2025, Valeo signed additional contracts with Chinese OEMs for next-generation HVAC heat-pump systems, reflecting the rapid migration of Chinese EV platforms toward integrated heat-pump architectures that maximize winter range and energy efficiency.
Why It Matters:
Chinese EV platforms are adopting integrated thermal architectures combining battery, motor, power-electronics, and cabin heat flows—creating demand for comprehensive thermal solutions.
CGCooler’s Capabilities:
CGCooler provides thermal solutions for power generation devices, inverters and converters, and battery systems, utilizing liquid cooling systems, two-phase cooling components, and traditional air cooling solutions.
Trend 8: Wide Bandgap Semiconductors Demand Advanced Cooling
Silicon carbide (SiC) and gallium nitride (GaN) power semiconductors are increasingly used in electromobility applications—but their higher switching frequencies and power densities create thermal challenges.
The Challenge:
WBG power semiconductors exhibit higher switching frequency and lower ON-resistance, but generate more heat due to higher switching frequency and operate at higher power densities.
The Solution:
Researchers are exploring novel thermal management solutions including smaller heat sinks and coolers capable of dissipating more heat in shrinking form factors.
Why It Matters:
The size of power electronic components keeps shrinking while heat generation increases—a fundamental challenge requiring innovative cooling approaches.
Trend 9: 5G Infrastructure Drives High-Performance Cooling
5G base stations and telecommunications equipment require robust thermal management in challenging outdoor environments.
Key Insight:
Reliability design is critical in communication system design—the heat dissipation effect of equipment, especially high-power equipment, has a crucial influence on equipment reliability.
Technology Solutions:
CGCooler provides 5G heat sink solutions including zipper fin heat sinks , heat pipe solutions, liquid cold plates, and vapor chambers.
Why It Matters:
5G network infrastructure is transforming toward intensive, miniaturized, and intelligent designs—traditional large base stations are being replaced by compact, high-power-density equipment.
Trend 10: Smart Thermal Management with AI and Simulation
Thermal simulation and AI-driven optimization are becoming essential tools in heat sink design.
Key Developments:
Hardware holds the largest share of the thermal management technologies market, but software and services are the fastest-growing category as predictive control and monitoring become differentiators
Thermal simulation tools are increasingly integrated into the design process to validate cooling strategies before prototyping
Why It Matters:
As designs become more complex and power densities continue to rise, the cost of thermal failure is too high to rely on guesswork. Simulation enables engineers to optimize heat sink geometries and compare cooling technologies virtually—reducing time-to-market and risk.
Summary: 2026 Thermal Management Trends at a Glance
| Trend | Key Development | Impact |
|---|---|---|
| Liquid Cooling | Boyd CDU expansion, industry adoption | 20x efficiency vs. air |
| Advanced TIMs | Henkel TGF 10000, 10W/m·K | Higher durability |
| 3D-Printed Heat Sinks | MMTO + MBJ research | 50% thermal resistance reduction |
| Two-Phase Cooling | COP 24×10⁴ achieved | 100x spray boiling efficiency |
| ECAM Cooling | Direct printing on substrates | Eliminates TIM resistance |
| Wick-Free Vapor Chambers | Surface wettability engineering | Dry-out elimination |
| EV Thermal Management | Valeo heat pump contracts | Battery thermal highest-value domain |
| WBG Semiconductor Cooling | SiC/GaN thermal challenges | Advanced cooling required |
| 5G Infrastructure | Zipper fin + heat pipe solutions | 20%+ performance improvement |
| Smart Thermal Management | Software fastest-growing segment | Predictive control integration |
Partner with a Future-Ready Thermal Management Provider
CGCooler provides comprehensive thermal management solutions across the entire product development cycle:
Thermal Simulation & Design: CFD analysis to validate solutions before prototyping
Manufacturing Capabilities: Extruded, skived, die-cast, and cold-forged heat sinks; liquid cold plates; heat pipe solutions
Quality Assurance: ISO9001 certified, CMM inspection, thermal testing
15+ Industries Served: Data center, AI, EV, medical, telecom, aerospace, and more
Ready to stay ahead of thermal management trends? Contact CGCooler’s engineering team for a free thermal simulation and custom solution design.
