Heatventors Kft., a pioneer in intelligent thermal energy storage, has successfully closed its €4.032 million Series A funding round to drive international growth and scale its breakthrough technology. The capital will reinforce Heatventors’ technical infrastructure, accelerate product development for multi-megawatt storage applications, and support entry into strategic markets such as data centers, district heating networks, and large-scale cooling systems – with a particular focus on the Europe and Middle East, where cooling demand is exceptionally high.
Intelligent Thermal Batteries
Founded in 2017, Heatventors develops and manufactures proprietary Intelligent Thermal Batteries that, combined with advanced regulation technology, deliver up to 25% energy savings in both cooling and heating systems. These versatile solutions enable renewable energy storage, waste heat recovery, and reliable HVAC operations. Heatventors’ technology is already deployed in seven countries, with nearly 80 storage units installed, including in Hungary, Germany, Oman, and Portugal. From global energy giants and major insurers to industrial manufacturers and premium hotels, Heatventors’ solutions have earned the trust of key players across multiple industries.
The Series A round
The Series A round was led by a prominent international consortium of investors: Kék Bolygó Klímavédelmi Magántőkealap (Blue Planet Venture Capital Fund – Hungary), InnoEnergy – pan European impact investor, and Impulsus Clean Technologies GmbH (Germany), with V3 Partners Investment Zrt. (Hungary) serving as investment advisor. Their support marks a crucial milestone in Heatventors’ expansion strategy.
József Kakas, CEO of Heatventors
“Energy storage has become recognized across virtually all major markets as an indispensable enabler of decarbonization,” said József Kakas, CEO of Heatventors Kft. “This investment not only positions our intelligent thermal battery systems for global prominence, but also fortifies our technological capabilities for international scale-up – catalyzing our global expansion.”
About the co-investors:
- Kék Bolygó Klímavédelmi Magántőkealap (Blue Planet Venture Capital Fund) invests in innovative, technology-driven companies that support Hungary’s environmental and climate protection goals, with a focus on sustainable development, emissions reduction, renewable energy, energy storage, and the circular economy.
- Impulsus Clean Technologies GmbH acts as a corporate investor and enabler for innovative startups in wind energy, e-mobility, and recycling, fostering sustainable industrial ventures.
