Accelsius - About the company
Accelsius is a series B company based in Austin (United States), founded in 2022. It operates as a Developer of two-phase direct-to-chip liquid cooling systems for data centers. Accelsius has raised $104M in funding from Johnson Controls, with a current valuation of $*****. The company has 166 active competitors, including 34 funded and 11 that have exited. Its top competitors include companies like Phononic, Akash Systems and Green Revolution Cooling.
Company Details
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.
- Website
- accelsius.com
- Social
- Email ID
- *****@accelsius.com
- Registered Address
- 1835B KRAMER LN STE 2-180,AUSTIN,TX,78758,227
Key Metrics
Founded Year
2022
Location
Austin, United States
Stage
Series B
Total Funding
$104M in 4 rounds
Latest Funding Round
Post Money Valuation
$***** as on Oct 01, 2025
Investors
Ranked
9th among 166 active competitors
Employee Count
89 as on Sep 30, 2026
Legal entities associated with Accelsius
Accelsius is associated with 2 legal entities given below:
Legal Entity Name | Date of Incorporation | Revenue | Latest Employee Count | Documents |
|---|---|---|---|---|
Accelsius Llc CIN: 32084996043 , United States, Active | Jun 06, 2022 | - | - | - |
NASS&JAZI GROUP LLC CIN: 6694639 , United States, Active | Jan 10, 2023 | - | - | - |
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Accelsius's funding and investors
Accelsius has raised a total funding of $104M over 4 rounds. Its first funding round was on Oct 16, 2023. Its latest funding round was a Series B round on Oct 02, 2025 for $*****. 2 investors participated in its latest round. Accelsius has 3 institutional investors.
Here is the list of recent funding rounds of Accelsius:
Filter this list
Filter this listDate of Funding | Funding Amount | Round Name | Post-Money Valuation | Revenue Multiple | Lead Investors | Other Investors |
|---|---|---|---|---|---|---|
Oct 02, 2025 | 2591385 | Series B | 1545538 | 7920609 | 1079172 | 4567608 |
Nov 13, 2024 | 6497050 | Series A | 9635490 | 5876732 | 4691843 | 9547303 |
Oct 31, 2023 | 9668514 | Series A | 8619792 | 3578555 | 8298014 | 5297993 |
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Accelsius' founders and board of directors
Founder? Claim ProfileAccelsius' employee count trend
Accelsius has 89 employees as of Sep 26. Here is Accelsius's employee count trend over the years:
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Accelsius's Competitors and alternates
Top competitors of Accelsius include Phononic, Akash Systems and Green Revolution Cooling. Here is the list of Top 10 competitors of Accelsius, ranked by Tracxn score:
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Rank | Company Details | Short Description | Total Funding | Investors | Tracxn Score |
|---|---|---|---|---|---|
1st | Phononic 2009, Durham (United States), Series F | Providing solid state thermal management solutions | $230M | 69/100 | |
2nd |  Akash Systems 2016, San Francisco (United States), Series A | Developer of thermal management solutions integrating diamonds with semiconductor technology | $17.6M | 62/100 | |
3rd | Green Revolution Cooling 2009, Austin (United States), Series C | Provider of oil immersion cooling for data centers | $43M | 60/100 | |
4th | Manufacturer of liquid cooling systems for high density datacenter infrastructure | $102M | 59/100 | ||
5th |  ZutaCore 2016, San Jose (United States), Series C | Provider of waterless liquid cooling solutions for artificial intelligence and computing | $100M | 59/100 | |
6th | CoolIT Systems 2001, Calgary (Canada), Acquired | Manufacturer of liquid cooling systems for data centers and servers | $6.48M | 59/100 | |
7th |  LiquidStack 2012, Carrollton (United States), Acquired | Platform offering data center cooling solutions | $35M | 59/100 | |
8th |  Alloy Enterprises 2020, Burlington (United States), Acquired | Manufacturer of light weighting, aluminum products | $37M | 58/100 | |
9th |  Accelsius 2022, Austin (United States), Series B | Developer of two-phase direct-to-chip liquid cooling systems for data centers | $104M | 57/100 | |
10th | Nautilus Data Technologies 2013, Pleasanton (United States), Series D | Modular data center in Water | $223M | 58/100 |
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Accelsius's Investments and acquisitions
Accelsius has made no investments or acquisitions yet.
Reports related to Accelsius
Here is the latest report on Accelsius's sector:
News related to Accelsius
Filter this listMedia has covered Accelsius for a total of 11 events in the last 1 year, 5 of them have been about company updates and 2 about people movement.
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Innventure, Inc. Securities Fraud Lawsuit - Investors Encouraged to LeadPR Newswire•Sep 22, 2026•Rosenlegal, Innventure, Bleichmar Fonti & Auld, Kaplan Fox and 7 others
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Accelsius Highlights Two-Phase Cooling Strategy for High-Density AI Data CentersTipRanks•Jun 24, 2026•Accelsius
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Liquid cooling firm Accelsius appoints former Vertiv president John Hewitt as CEODCD•May 27, 2026•Accelsius
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Accelsius Announces General Availability of NeuCool IR150 and Launches NeuCool HyperStart ProgramHpcwire•Apr 21, 2026•Accelsius
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Accelsius Makes NVIDIA GTC Debut with NeuCool® IR150, the Industry's First Integrated Rack for Two-Phase Liquid CoolingBusiness Wire•Mar 16, 2026•Accelsius
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Innventure Announces $40 Million Registered Direct OfferingGlobeNewswire•Jan 13, 2026•Innventure, Accelsius, Titan Partners Group
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Accelsius Closes $65 Million Series B FundingMassinvestor•Jan 12, 2026•Accelsius, Johnson Controls, Legrand, Innventure and 2 others
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DarkNX Enters Agreement with Accelsius to Deploy 300MW NeuCool®-Enabled AI Data Center Campus in OntarioBusiness Wire•Nov 17, 2025•Accelsius, DARKNX
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