What are the latest funding trends in Data Center Cooling?

All funding deals in the Data Center Cooling Market over the last years

Below is the table listing all the deals. You can find our methodology at the end of this page.

If you want a deeper understanding of the market and its current dynamics, get our report covering the Data Center Cooling Market.

Is Data Center Cooling funding really booming right now?

Data Center Cooling funding is clearly more active today, although the typical financing has actually become much smaller.

We counted seven funded companies in the current comparable period, up from four a year earlier and two two years earlier. Because all seven financings went to different companies, the increase reflects genuinely broader deal activity rather than repeated rounds by the same names.

The dollar figure looks even stronger: $314.9 million of known capital versus $61.9 million a year earlier. But the median disclosed round moved the other way, falling from $24 million to $5.9 million. The average jumped to $45 million only because a couple of very large transactions pulled it upward.

The market today is broader, but the distribution of money is far more uneven.

Funding measure	2026 YTD	2025 comparable	2024 comparable	Change vs 2025
Deals	7	4	2	+75.0%
Unique funded companies	7	4	2	+75.0%
Known capital	$314.9M	$61.9M	$75.5M	+408.7%
Median disclosed round	$5.9M	$24.0M	$37.75M	-75.4%
Average disclosed round	$45.0M	$20.6M	$37.75M	+118.1%
Largest round	$176M	$30M	$55.5M	+486.7%
Companies with multiple rounds	0	0	0	No change

Is the Data Center Cooling funding surge mostly coming from a couple of huge deals?

Yes. Most of the increase in Data Center Cooling funding currently comes from DCX and ZutaCore.

DCX's announced $176 million strategic investment represents 55.9% of current capital by itself. ZutaCore adds another $100 million. Together, those two transactions account for $276 million, or 87.7% of all the money we counted this year.

Removing DCX still leaves $138.9 million, comfortably ahead of the comparable 2025 total. So the increase does have a second leg through ZutaCore rather than depending entirely on one unusual transaction.

Remove both rounds above $50 million, however, and current funding falls to $38.9 million. A year earlier, comparable disclosed capital was $61.9 million.

The headline makes fundraising conditions for the average cooling company look considerably stronger than they really are.

Would Data Center Cooling funding still be up without the biggest rounds?

Data Center Cooling funding would actually be down year over year if we remove rounds above $50 million.

Current capital drops from $314.9 million to $38.9 million under that test, versus $61.9 million during the same period a year earlier. That is a 37.2% decline.

The result changes if we remove only rounds strictly above $100 million because ZutaCore's $100 million Series C remains in the calculation. Current funding then comes to $138.9 million.

Investors are putting much larger sums behind a small number of companies, while financing across ordinary-sized rounds has not strengthened in the same way. The 2026 market is richer at the top and busier at the bottom.

Outlier test	2026 YTD	2025 comparable	2024 comparable	2026 vs 2025
Known capital	$314.9M	$61.9M	$75.5M	+408.7%
Excluding >$50M rounds	$38.9M	$61.9M	$20.0M	-37.2%
Excluding >$100M rounds	$138.9M	$61.9M	$75.5M	+124.3%
Median round	$5.9M	$24.0M	$37.75M	-75.4%
Top-1 capital share	55.9%	48.5%	73.5%	Higher
Top-3 capital share	95.9%	100%	100%	Extremely high
$100M+ rounds	2	0	0	New this year

Are more Data Center Cooling startups actually getting funded today?

Yes. More Data Center Cooling companies are raising money now, and that increase survives every outlier test.

Seven companies received financing in the current period, compared with four a year earlier. We also see a much wider group of businesses: MegaCool raised about $5.9 million, KuhlTherm $1.1 million, Enaxiom $1.8 million, MicroRefrigeration roughly $4.1 million, Iceotope $26 million, ZutaCore $100 million and DCX $176 million.

That mix ranges from young engineering startups to established cooling platforms and a strategic growth investment. It is much broader than the two-company 2024 comparable period.

The improvement by company count is therefore more convincing than the fourfold increase in total dollars. More businesses are finding investors, even though most are raising nowhere near the amounts going into the two largest companies.

Why has the typical Data Center Cooling round become so much smaller?

The typical Data Center Cooling round is smaller because several very young companies have entered the funding market with Seed-sized checks.

Three current rounds are below $5 million: KuhlTherm at $1.1 million, Enaxiom at $1.8 million and MicroRefrigeration at roughly $4.1 million. MegaCool adds another deal at approximately $5.9 million.

Then the distribution jumps sharply. Iceotope raised $26 million, ZutaCore $100 million and DCX $176 million.

That is how you end up with a $5.9 million median and a $45 million average. There are really two funding markets here: relatively modest checks for emerging technologies and unusually large checks for companies that investors already view as strategically important.

Has Data Center Cooling become a barbell funding market?

Yes. Data Center Cooling financing currently has a pronounced barbell shape, with many small rounds and almost all the money concentrated at the other end.

Rounds below $5 million account for three of seven transactions, or 42.9% of current activity, but just 2.2% of capital. The two $100 million-plus deals make up 28.6% of transactions and absorb 87.7% of the money.

The middle is surprisingly thin. There is one financing between $5 million and $20 million, one between $20 million and $50 million, and nothing between $50 million and $100 million.

As seen above, the falling median and rising average are two sides of that same pattern.

Deal size	2026 deals	Deal share	Capital share	2025 deals
<$5M	3	42.9%	2.2%	0
$5M–<$20M	1	14.3%	1.9%	1
$20M–<$50M	1	14.3%	8.3%	2
$50M–<$100M	0	0%	0%	0
$100M+	2	28.6%	87.7%	0
Disclosed rounds	7	100%	100%	3
Undisclosed rounds	0	-	-	1

Are new Data Center Cooling startups getting a real shot at funding?

Yes, but new Data Center Cooling startups are mostly getting small checks rather than large pools of capital.

Three of the seven current transactions are first financings in our financing-history review. There were two in the comparable 2025 period and none two years earlier.

At first glance, the capital behind first financings looks enormous: $183 million today. DCX alone contributes $176 million of that figure, despite being founded in 2019. The other two first financings together account for only $7 million.

Company count is more useful than total capital here. New names are entering the funded universe, but there is no broad wave of heavily financed new entrants.

Are younger Data Center Cooling companies breaking through now?

Yes. Data Center Cooling funding has shifted noticeably toward younger companies.

Our estimated median company age at financing moved from roughly 10.7 years in the 2024 comparable period to 5.9 years a year later and about 2.8 years currently.

The current Seed rounds are especially young, with a median age close to one year. MegaCool and KuhlTherm are recent entrants, while Enaxiom is only a few years old.

The larger checks still tend to sit with more mature companies such as ZutaCore and DCX, so younger businesses are widening the deal pipeline rather than taking over the capital pool. For founders, that is still encouraging: investors are willing to fund technologies before they have years of operating history behind them.

Is direct-to-chip cooling where investors are putting their money now?

Direct-to-chip cooling is currently where we see the most funded companies, although its dominance is much stronger in deal count than in dollars.

Four of seven current financings fall into direct-to-chip cooling, giving the category 57.1% of deals. Those companies raised $111.1 million, or 35.3% of total capital.

ZutaCore explains $100 million of that amount. MegaCool, KuhlTherm and MicroRefrigeration collectively account for a much smaller sum, which shows how much experimentation is happening underneath the category leader.

Direct-to-chip also represented 75% of deals a year earlier. Its absolute deal count has risen from three to four, but its market share has fallen because other cooling approaches are now raising money too.

Is the huge jump in CDU funding real?

The jump in Cooling Distribution Unit funding is real in dollar terms, but today it comes from one company: DCX.

DCX accounts for the entire $176 million attributed to the CDU category in the current period. That gives CDUs 55.9% of market capital despite representing only one of seven deals.

LITEON's announcement helps explain why the transaction is so large. The company said its investment would combine DCX's CDUs, facility distribution units, cold plates and immersion systems with LITEON's AI-server power management, rack-level power delivery and 800VDC architecture.

That is a much broader industrial proposition than financing a single cooling component. DCX sits close to the intersection of power infrastructure and thermal infrastructure, which makes the company strategically relevant to a large hardware supplier.

We would not treat the $176 million as evidence that CDU startups as a group are suddenly attracting giant rounds.

Is immersion cooling losing ground to direct-to-chip systems?

Immersion cooling has clearly lost relative funding share, while the wider Data Center Cooling market has become more technologically diverse.

Both deals in the comparable 2024 period were classified as immersion cooling. Today, immersion accounts for one of seven financings: Iceotope's $26 million Series B.

Iceotope also shows why a simple winner-versus-loser story would be too neat. The company raised fresh capital to push product engineering, patents and ecosystem partnerships around next-generation AI infrastructure. Investors are still backing immersion-related technology; they simply have more alternatives to choose from now.

Direct-to-chip systems, CDUs and heat-rejection technology have all appeared alongside immersion in the current period. The bigger change is the widening of the cooling stack.

Category	2026 deals	Deal share	Capital	Capital share
Direct-to-Chip Liquid Cooling	4	57.1%	$111.1M	35.3%
Cooling Distribution Units	1	14.3%	$176.0M	55.9%
Immersion Cooling	1	14.3%	$26.0M	8.3%
Chillers & Heat Rejection	1	14.3%	$1.8M	0.6%
Total current deals	7	100%	$314.9M	100%
Categories represented today	4	-	-	-
Categories represented in comparable 2024	1	-	-	-

Are early-stage Data Center Cooling startups finally getting funded?

Early-stage Data Center Cooling funding is much more visible today, although the dollars going into those startups remain small.

Three current deals are Seed rounds, representing 42.9% of all transactions. Together, they raised only $8.8 million, or 2.8% of the market's current disclosed capital.

At the other end, the Series C and Growth Equity transactions alone account for $276 million. Add Iceotope's $26 million Series B and most of the capital pool is already spoken for.

Early-stage companies have gained access to the market by count. The large pools of money still sit with businesses that have moved further along commercially or have obvious strategic value.

Are Data Center Cooling investors becoming pickier?

Data Center Cooling investors look more selective about where they commit large checks, even while they fund a wider range of companies.

We see more funded businesses, more Seed rounds and more technical categories than in previous comparable periods. At the same time, ordinary-sized capital below $50 million has weakened year over year, while two companies absorb nearly nine-tenths of current dollars.

Investors appear willing to finance new engineering ideas cheaply, then commit much more heavily once a company has stronger commercial evidence or strategic relevance.

The financing patterns around ZutaCore, DCX and Iceotope fit that reading. ZutaCore is scaling commercialization and deployments, DCX attracted an industrial investor sitting directly next to cooling in the infrastructure stack, and Iceotope is using a larger institutional Series B to push product and ecosystem development.

We still have a small sample, so selectivity is a better description of current behavior than a permanent market rule.

Why are big industrial companies investing in Data Center Cooling now?

Industrial investors are paying more attention to Data Center Cooling because cooling is becoming tightly connected to how AI racks, power systems and chips are designed.

NVIDIA's current rack-scale products make that easy to see. The GB200 NVL72 was designed as a liquid-cooled 72-GPU system, and NVIDIA now also describes its GB300 NVL72 as a fully liquid-cooled rack-scale architecture. Cooling increasingly arrives with the computing platform rather than being treated as an afterthought at the facility level.

Carrier's behavior points in the same direction. After leading an investment in ZutaCore in 2025, Carrier expanded that investment in 2026 and said high-density AI was making thermal management a constraint on scaling. Mitsubishi Electric and Samsung Ventures also participated in ZutaCore's $100 million Series C.

LITEON's move into DCX adds a second example from the power side. Its stated goal is to combine rack-level electrical infrastructure with liquid cooling.

These companies are starting to treat thermal management as part of the core AI infrastructure stack, and that makes the stronger cooling platforms much more strategically valuable.

Are strategic investors taking over Data Center Cooling funding?

Strategic investors are not appearing in more Data Center Cooling deals, but the deals they back have become dramatically larger.

Two of seven current financings include strategic investors, compared with two of four during the comparable 2025 period. Their share of transactions has therefore fallen from 50% to 28.6%.

The size picture goes the opposite way. ZutaCore's $100 million Series C and DCX's $176 million transaction produce a $138 million median across the two current strategically backed deals. The comparable strategic median a year earlier was roughly $19 million.

Corporate capital these days appears much more targeted. Large industrial groups are concentrating on companies that can slot directly into their own data-center, power or thermal-management platforms.

Is Europe becoming the center of Data Center Cooling funding?

Europe currently leads Data Center Cooling funding by dollars, although DCX explains most of that lead.

Three of seven current deals involve European companies, compared with two in North America and two in Asia-Pacific. Europe therefore has the largest deal share at 42.9%.

Its $207.9 million of capital looks much more dominant, representing 66% of the market. DCX supplies $176 million of that amount. Without DCX, Europe falls to $31.9 million.

North America has only two current deals but $104.1 million of capital, largely through ZutaCore. Asia-Pacific has two financings and just $2.9 million.

Geographic deal activity is broadening. The capital ranking between regions is still highly dependent on individual companies.

Is the Data Center Cooling investor base getting broader?

Yes. More lead investors are showing up in Data Center Cooling funding today, with no single firm repeatedly controlling the market.

We identified seven distinct disclosed lead or co-lead investors across six of the seven current deals. The comparable 2025 period had three disclosed leads across three of four transactions.

The current group includes Vsquared Ventures, Epic Angels, Two Seas Capital, Barclays Climate Ventures, Mitsubishi Electric, Arkam Ventures and LITEON. They span traditional venture investors, climate-focused investors and industrial companies.

That mix reinforces what we see on the company side: the cooling market is attracting a wider set of participants. The dollars remain concentrated, but the group willing to write at least one check is becoming more varied.

Has Data Center Cooling funding already beaten last year?

Data Center Cooling has already matched the previous full year's deal count and surpassed its known capital total, although DCX makes the dollar comparison look much stronger.

After assigning Accelsius's $65 million Series B to its actual 2025 closing period, we count seven full-year 2025 deals across six companies and at least $166.1 million of known or lower-bound capital.

The current period already has seven deals and $314.9 million. That is roughly 190% of the previous full-year known capital before the current year is finished.

Without DCX, current funding would stand at $138.9 million, around 84% of the previous full-year amount. Deal activity has unquestionably caught up quickly; the claim that overall funding has nearly doubled depends much more heavily on one large transaction.

Why is Data Center Cooling attracting so much attention these days?

Data Center Cooling is getting more attention because AI infrastructure is pushing heat, power density and cooling design into the same engineering conversation.

NVIDIA's liquid-cooled rack-scale systems are one obvious example. Carrier said in 2026 that rising AI chip densities were increasing demand for advanced cooling. ZutaCore said its $100 million round would support commercialization as bookings and deployments expanded. Iceotope raised $26 million to develop products and ecosystem partnerships around next-generation AI infrastructure. Enaxiom is taking a different route by tackling the heat-rejection layer and water use.

Those companies are solving different pieces of the same physical problem: more compute is being packed into increasingly dense infrastructure.

That helps explain why funding is expanding across direct-to-chip systems, CDUs, immersion technologies and heat rejection at the same time. Investors are financing several parts of a thermal stack that is becoming more important as AI hardware gets denser.

What is actually changing in Data Center Cooling funding?

Data Center Cooling funding is genuinely getting broader, while the increase in capital remains heavily concentrated.

The strongest development is the rise in funded companies. Seven businesses have raised in the current comparable period versus four a year earlier and two two years earlier. Younger companies and Seed rounds are also appearing much more often.

The second major change is the split between small and very large rounds. As pointed out above, three sub-$5 million financings coexist with two $100 million-plus transactions. That is why the median has fallen even while headline funding has surged.

Investor attention is also spreading across more technologies. Direct-to-chip cooling currently leads by company count, but CDUs, immersion cooling and heat-rejection systems are all represented. The market has moved well beyond the immersion-heavy picture we saw two years ago.

The biggest dollars increasingly have strategic logic behind them. ZutaCore and DCX attracted industrial investors whose businesses sit next to thermal management in HVAC, electronics, server power and rack infrastructure.

The apparent European funding boom deserves the most caution because one Polish company provides roughly 85% of Europe's current capital. The same caution applies to the headline market growth rate: remove the rounds above $50 million and year-over-year capital growth disappears.

Overall, today's market is seeing a real expansion in deal activity and technical breadth, paired with much tougher concentration at the dollar level. More companies are getting funded, but only a few are currently convincing investors to write very large checks.

Importance	What has changed	Our read
Highest	More companies are getting funded	Clearly stronger
Very high	Headline capital has surged	Mostly driven by DCX and ZutaCore
Very high	Typical rounds have become smaller	Clear from the median
High	Seed and young-company activity has increased	Genuine pipeline expansion
High	Funding now spans more cooling architectures	Broader than in 2024
High	Strategic capital is becoming much larger	Concentrated around mature assets
Watch carefully	Europe leads current capital	Heavily dependent on DCX