Top Direct-to-Chip Cooling startups
There are 23 Direct-to-Chip Cooling startups which include Phononic, JETCOOL Technologies, Accelsius, Corintis, Akash Systems. Out of these, 15 startups are funded, with 8 having secured Series A+ funding. United States has the most number of companies in Direct-to-Chip Cooling (12), followed by India and Netherlands
which have (2) companies.
Notably, several of these startups have been founded by alumni of Massachusetts Institute of Technology, University of California (Berkeley) and Cornell University.
Here is the list of top Direct-to-Chip Cooling Startups
1. Phononic
Providing solid state thermal management solutions. It utilizes thermoelectric capabilities of semi conductors to create products that can convert heat into electricity or use electricity to eliminate heat. Phononic has developed solid state pump which can replace compressors in high end refrigeration requirement like in labs and medical facilities.
Key facts about Phononic
- Founded Year: 2009
- Location: Durham (United States)
- Stage: Series F
- Total Funding till date: $230M
- Investors: Venrock, Oak Investment Partners and 18 Others
- Latest Funding Round: Series F, Jul 21, 2021, $*****
- Tracxn Score: 70/100 What is this?
- Competitors Rank: 7 of 5,759 Competitors
Developer of direct-to-chip liquid cooling modules for high-power electronics. These modules target hot spots on processors, enhancing thermal management at the chip level. The company's technology is integrated into products ranging from cold plates to fluid-to-die modules. This eliminates thermal pastes, reducing thermal resistance for performance in high-power devices.
Key facts about JETCOOL Technologies
- Founded Year: 2019
- Location: Littleton (United States)
- Stage: Acquired
- Total Funding till date: $28.7M
- Investors: Robert Bosch Venture Capital, IQT and 4 Others
- Latest Funding Round: Series A, Oct 11, 2023, $*****
- Tracxn Score: 63/100 What is this?
- Competitors Rank: 2 of 20 Competitors

3. Accelsius
Developer of two-phase direct-to-chip liquid cooling systems for data centers. The company's systems use dielectric refrigerant and are designed for high-density server environments. The cooling solutions are built with redundant components and leak detection. The company focuses on streamlined design and thermal performance to reduce energy consumption.
Key facts about Accelsius
- Founded Year: 2022
- Location: Austin (United States)
- Stage: Series B
- Total Funding till date: $169M
- Investors: Johnson Controls, Legrand and 1 Other
- Latest Funding Round: Series B, Jan 12, 2026, $*****
- Tracxn Score: 58/100 What is this?
- Competitors Rank: 8 of 119 Competitors

4. Corintis
Developer of microfluidic cooling solutions for high-power chips in data centers. The company designs, builds, tests, and mass-produces liquid cooling solutions. These solutions are tailored for performance and efficiency. The company's platform streamlines the design, build, and testing process. It aims to enable higher thermal design power with less flow rate.
Key facts about Corintis
- Founded Year: 2020
- Location: Lausanne (Switzerland)
- Stage: Series B
- Total Funding till date: $53.2M
- Investors: Applied Digital, BlueYard and 7 Others
- Latest Funding Round: Series B, Dec 02, 2025, $*****
- Tracxn Score: 56/100 What is this?
- Competitors Rank: 7 of 105 Competitors
Developer of thermal management solutions integrating diamonds with semiconductor technology. This technology combats heat, enabling devices and systems to operate more effectively. The company’s products include chip-on-diamond solutions, servers, radios, and power amplifiers. These products serve industries such as AI, data centers, space, automotive, cellular communications, and radar.
Key facts about Akash Systems
- Founded Year: 2016
- Location: San Francisco (United States)
- Stage: Series A
- Total Funding till date: $17.6M
- Investors: Khosla Ventures, ACME and 22 Others
- Latest Funding Round: Series A, Jul 10, 2019, $*****
- Tracxn Score: 55/100 What is this?
- Competitors Rank: 4 of 20 Competitors

