K
Koolboks
Energy · Rosny-sous-Bois, France · Founded 2018
Provides solar-powered freezers and refrigeration solutions designed to offer reliable, off-grid cold storage for households and businesses MoreLess
Koolboks is a pioneering company that offers eco-friendly solar refrigeration solutions designed to meet the needs of domestic, commercial, and healthcare sectors. The company leverages its proprietary KoolTechnology, which combines solar energy and water to create efficient cooling systems. Koolboks' products are integrated with energy storage capabilities, utilizing both ICE batteries and Lithium batteries, ensuring uninterrupted service. Additionally, the company's refrigeration units come with a Pay-As-You-Go (PAYG) feature, allowing customers to pay in daily, weekly, or monthly installments, making it accessible for a wide range of clients. Koolboks operates in the renewable energy market, focusing on providing sustainable and cost-effective cooling solutions. The business model revolves around selling and leasing its refrigeration units, with revenue generated from both direct sales and PAYG subscriptions.
Keywords: solar refrigeration, energy storage, ICE batteries, Lithium batteries, PAYG, eco-friendly, domestic use, commercial use, healthcare, KoolTechnology.
Company overview
Koolboks company information
The essential company record, classifications and operating signals in one place.
- Status
- Operational
- Founded
- 2018
- Headquarters
- Rosny-sous-Bois, France
- Employees
- 264
- Open positions
- 4
- Dealroom signal
- 89.7
Valuation & funding
Koolboks funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| DEBT✓Debt | Jul 2026 | $0 | — | Miller Center for Social Entrepreneurship · Beneficialreturns | ↗ |
| DEBT✓Debt | Jun 2026 | $1.4M | — | Cascador | ↗ |
| GRANT✓Other financing | Aug 2025 | $0 | — | Powering Renewable Energy Opportunities · French Facility for Global Environment · Efficiency for Access | ↗ |
| DEBT✓Debt | Aug 2025 | $2.2M | — | Bpifrance · French Facility for Global Environment | ↗ |
| SERIES A✓Equity / VC | Aug 2025 | $8.8M | $35M | All On · Aruwa Capital · KawiSafi Ventures | ↗ |
| OtherOther financing | Feb 2023 | SAIS | — | ||
| SEED✓Equity / VC | Aug 2022 | Blue Earth Capital · All On · Aruwa Capital · GSMA | ↗ | ||
| SEEDEquity / VC | Jan 2022 | Acumen · Aruwa Capital · Blue Earth Capital | ↗ |
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.
| Year | Revenue | Growth | Profit | Margin |
|---|---|---|---|---|
| 2026 | $72K | 0% | −$114K | -159% |
| 2025 | $72K | 0% | −$114K | -159% |
| 2024 | $72K | 0% | −$114K | -159% |
| 2023 | $72K | 0% | ||
| 2022 | $72K | 0% | ||
| 2021 | $72K | 0% | ||
| 2020 | $72K | — |
Growth signals
Koolboks website traffic
Latest recorded traffic for Koolboks is 16K monthly website visits, up 357.1% over the last three months. Koolboks's team grew 4.8% over the past year.
Hiring
Open positions at Koolboks
Current openings linked to this company in Dealroom.
Comparisons
Koolboks compared with similar companies
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Talent graph
Koolboks's talent
Source: Dealroom Talent Intelligence.
Investors
15 investors on Koolboks's cap table
Sourced from Dealroom's funding and investor records. Investor profile links are shown where available.









Global footprint
Where Koolboks has talent and traffic
team presence
In the news
Latest news about Koolboks
Recent press, funding announcements, and product moves mentioning Koolboks — open to read from the original sources.
Market sentiment
What the market is saying about Koolboks
An AI-synthesized read of the highest-engagement posts about Koolboks 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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