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Water Horizon

Energy · Toulouse, France · Founded 2017

Developing an industrial transportable thermal battery for industrial heating and cooling applications. MoreLess

Water Horizon is a pioneering company in the renewable energy sector, specializing in the development of advanced thermal batteries for industrial heating and cooling applications. Operating primarily in the industrial sector, Water Horizon serves large energy consumers who are looking to transition away from fossil fuels and reduce their greenhouse gas emissions. The company's core technology involves a transportable thermal battery that recovers waste heat from industrial activities, stores it with high density, and delivers it without any loss of energy over time. This solution is particularly beneficial for extending the reach of existing heating networks or creating new ones in areas where underground piping infrastructure is not feasible.

Water Horizon's business model revolves around the sale and distribution of these thermal batteries, providing a unique renewable heat or cold supply to its clients. The company generates revenue through the direct sale of its thermal batteries and potentially through long-term service agreements for maintenance and support. By offering a comprehensive solution that includes heat recovery, storage, and delivery, Water Horizon helps its clients achieve significant cost savings and environmental benefits.

The market for Water Horizon's solutions includes industries with substantial heating and cooling needs, such as manufacturing plants, sports complexes, and other large facilities. The company's innovative approach allows it to decouple energy production and consumption over time and space, providing a flexible and efficient energy solution.

Keywords: thermal batteries, industrial heating, cooling solutions, renewable energy, waste heat recovery, energy storage, greenhouse gas reduction, large energy consumers, heating networks, circular economy.

Company overview

Water Horizon company information

The essential company record, classifications and operating signals in one place.

Status
Operational
Founded
2017
Headquarters
Toulouse, France
Employees
37
Open positions
12
Dealroom signal
79.4
client focusb2btechnologyHardwaretechnologyDeep Techsub industryEnergy Storagebusiness modelManufacturingsectorSpinoutsectorSustainable Development GoalssectorThermal Energy StoragesectorClimate TechsectorEnergy and GreentechsectorObservatoire DeeptechsectorGreentechsectorSeal of Excellence ECsectorIndustrial Electrification

Valuation & funding

Water Horizon funding history

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
EARLY VCEquity / VC Dec 2025 $20M $79M Eren Groupe · Banque des Territoires · Delmas Investissements & Participations
GRANTOther financing May 2024 $11K Next Innov Prize
SEEDEquity / VC Mar 2022 $5.5M $22M Banque des Territoires
GRANTOther financing Jan 2022 $2.7M EU Innovation Fund
GRANTOther financing Dec 2021 $2.7M EU Innovation Fund
SUPPORT PROGRAMOther financing Feb 2019 HEC Paris · HEC Challenge+
SPINOUTOther financing Jun 2017 University of Toulouse · Toulouse Institute of Technology - Toulouse INP
Showing 7 recorded eventsUnlock the complete deal history →

Financials

Revenue, earnings and profit over time

Reported history and available estimates. Estimated years are marked “E”; sparse fields are left blank rather than inferred.

YearProfitMargin
2026 $4K
2025 $4K
2024 $4K
2023
2022
2021
2020
Company filings, research estimates and Dealroom dataOpen the full financial model →

Growth signals

Water Horizon website traffic

Latest recorded traffic for Water Horizon is 2.6K monthly website visits, up 136.4% over the last three months. Water Horizon's team grew 8.8% over the past year.

Latest monthly visits2.6K 3-month web change+136.4% 1-year team growth+8.8%
Monthly website visits58 observations · Jun 2020–Jul 2026
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Comparisons

Water Horizon compared with similar companies

Dealroom’s weighted taxonomy model identifies the closest operating peers. Company identity and context stay open; selected comparison metrics preview what is available in the platform.

Showing 8 of the closest matchesCompare every metric →

Talent graph

Water Horizon's talent

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Team profiled 2 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 1 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Investors

11 investors on Water Horizon's cap table

Sourced from Dealroom's funding and investor records. Investor profile links are shown where available.

Seed 3 investors entered at this stage
EU Innovation Fund
Banque des Territoires
Next Innov Prize
Series A 2 investors entered at this stage
Eren Groupe
Delmas Investissements & Participations
Other known 6 additional known investors
HEC Paris
HEC Challenge+
Toulouse Institute of Technology - Toulouse INP
University of Toulouse
EVOLEN
Plug and Play

Global footprint

Where Water Horizon has talent and traffic

Workforce by country
2 countries with
team presence
🇫🇷 France96.9%
🇪🇸 Spain3.1%
2 countries shown

In the news

Latest news about Water Horizon

Recent press, funding announcements, and product moves mentioning Water Horizon — open to read from the original sources.

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Market sentiment

What the market is saying about Water Horizon

An AI-synthesized read of the highest-engagement posts about Water Horizon on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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