Skip to main content
Caplight Logo









HeatVentors

HeatVentors

Private
BudapestEnergy & Sustainabilityhttps://www.heatventors.com/

Last Round

Series A

Sep 26, 2025

Total Funding Raised

$5.05M

Momentum

Top 10%

of companies Caplight tracks

Company Overview

HeatVentors is an energy technology company that designs and manufactures intelligent thermal battery systems for heating and cooling applications.

Sector

Energy & Sustainability

Verticals

Energy Storage, Energy Management, Smart Buildings, Renewable Energy

Business Model

B2B

Customer Profile

Hardware Sales, Services & Consulting

AI Layer

Application

Keywords

thermal energy storagephase change materialsPCMthermal storagethermal batteryenergy storagewaste heat recoveryHVAC optimizationenergy management systemdistrict heatingdistrict coolingrenewable energy integrationsmart buildingenergy efficiencyenergy shifting

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Unlock Pricing Charts

Sign up to view complete historical pricing and secondary transactions.

Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

View Momentum History

Track how buyer interest and sentiment changes over time.

HeatVentors Comparables

Compare HeatVentors with similar companies based on industry and business-model similarity.

HeatVentors comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Axiotherm GmbH
84%
i-TES
84%
Cowa Thermal Solutions AG
83%

HeatVentors Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series ASep 26, 2025
VC RoundJun 17, 2021
SeedJul 1, 2018
GrantNov 27, 2017

Key People

Founding team and executive leadership

József Kakas

CEO, Head Of Sales

Executive Team

Rita Andrássyné Farkas

Co-Founder, CEO

Founding Team

András Bús

Chief Technology Officer

Executive Team

HeatVentors Investors

Notable investors and investment history

HeatVentors investors
InvestorRounds
KBKB Kék Bolygó Klímavédelmi Befektetési Alapkezelő Zrt.Series A
EIT InnoEnergyGrant, Seed, Series A
Impulsus Clean Technologies GmbHSeries A
V3 PartnersVC Round

Market signals

Structured signals derived from secondary market and firmographic data.

  • Aug 21, 2026

    Monthly visitors grew 43% MoM, reaching 3K.

  • Jul 24, 2026

    Monthly visitors grew 162% MoM, reaching 2.1K.

HeatVentors Filings

Explore SEC and related filing metadata, where available.

HeatVentors filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

Filing documents are not displayed on this public page. Request access to learn about available coverage.

Request access

Frequently Asked Questions

Common questions about HeatVentors's valuation, stock price, and market status.

Is HeatVentors a public or private company?

HeatVentors is a private company.

What is the current stock price of HeatVentors?

HeatVentors is a private company with no public stock price. No recent secondary market data is available.

How much is HeatVentors worth (valuation)?

Valuation information for HeatVentors is not publicly available.

Can I buy HeatVentors stock?

HeatVentors shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was HeatVentors's last funding round?

HeatVentors's most recent funding round was Series A on September 25, 2025.

Who are the main investors in HeatVentors?

Key investors in HeatVentors include EIT InnoEnergy.

Will HeatVentors IPO soon?

No public IPO plans have been announced for HeatVentors.

How can I track HeatVentors secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor HeatVentors's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersBudapest
Employee Range15
Year Founded2017
Last FundingSep 26, 2025

Institutional Data Access

Join leading institutional investors using Caplight to access private market data, discover pricing, and execute secondary block trades.

Requires verified institutional or accredited status.

See something wrong or outdated?