# HeatVentors Thermal Energy Storage Limited Liability Company

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/heatventors-thermal-energy-storage-limited-liability-company

- Industry: Energy Storage & Batteries
- Headquarters: Hungary
- Website: www.heatventors.com/
- Total disclosed funding: $4.6M
- Latest round: Series A (Aug 28, 2025)
- Investors on record: 1

## About

Based in Hungary, HeatVentors specializes in thermal energy storage solutions, focusing on innovative technologies that enhance energy efficiency across various industries.HeatVentors Thermal Energy Storage Limited Liability Company offers advanced thermal energy storage systems aimed at improving energy efficiency. Founded in 2017 in Hungary, the company has engaged in one notable funding round. The most recent funding round occurred in August 2025, where HeatVentors raised PLN 1.100 mn in Series A funding from investors including InnoEnergy. The founder's background is not specified, and there are no mentions of a parent company or subsidiaries.HeatVentors specializes in innovative thermal energy storage solutions, primarily through its flagship product, the Intelligent Thermal Battery. This system is designed to store thermal energy using proprietary phase change materials (PCMs) and a self-learning control algorithm that optimizes energy usage. The thermal batteries can be charged using low-cost energy and are suitable for various applications, including heating and cooling systems across multiple industries such as office buildings, data centers, hotels, and agricultural facilities. HeatVentors' thermal batteries cater to diverse geographical markets, including Europe and North America, providing reliable energy savings and sustainability solutions to a wide range of clients and end-users looking to reduce operational costs and carbon emissions.HeatVentors generates revenue through direct sales of its thermal battery products, often integrated into existing heating and cooling systems in commercial and industrial sectors. The company employs a B2B model, partnering with businesses seeking to enhance their energy efficiency and sustainability. Clients typically engage in transactional agreements for purchasing specific thermal battery configurations, alongside potential service agreements for installation and maintenance. The pricing structure is based on the capacity and specifications of the thermal batteries ordered, and these transactions often include contracts that outline long-term energy savings and performance monitoring services. Through these structured agreements, HeatVentors provides tailored solutions that align with client needs and operational goals. HeatVentors plans to utilize the recent PLN 1.100 mn raised in Series A funding to support the development of new thermal battery products and expand its operations into new markets. Specifically, the company aims to enhance its offerings to better serve clients in the renewable energy sector. By  August  2025, HeatVentors targets an expansion into additional regions in North America and Europe, capitalizing on growing demand for sustainable energy solutions. The funding will also assist in scaling production capabilities and enhancing research and development efforts.

## Funding rounds

- Series A, Aug 28, 2025, $4.6M — InnoEnergy

## Investors

- InnoEnergy (https://capitalatlas.ai/funds/innoenergy) — Series A