# HeatTransformers funding: rounds and investors

> HeatTransformers has raised $16M across 1 round since 2023. Investors include Energy Impact Partners, Sting and ENERGIIQ. Every round with its source.

Source: https://millionrounds.com/company/heattransformers (Millionrounds; every figure on the page links to its filing or article)

Netherlands · [Series A startup](https://millionrounds.com/companies)

# Who invested in *HeatTransformers*

One round we have observed, with the 4 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Cleantech Climate Tech Energy

Funding summary Updated 26 Oct 2026

**$16M** raised across 1 round since 2023, from 1 source

- **Latest round:** Series A, $16M Apr 2023
- **Led by:** Energy Impact Partners
- **Investors:** 4 (1 led)

See who backed them

## The rounds

- **Apr 2023** Series A **$16M** [Energy Impact Partners](https://millionrounds.com/fund/energy-impact-partners) Lead [Sting](https://millionrounds.com/fund/sting) [ENERGIIQ](https://millionrounds.com/fund/energiiq) [Fair Capital Partners Impact Fund](https://millionrounds.com/fund/fair-capital-partners-impact-fund) Reported by ENERGIIQ

## Everyone who backed them

[Energy Impact Partners](https://millionrounds.com/fund/energy-impact-partners) VC firm **1** round, led 1

[Sting](https://millionrounds.com/fund/sting) VC firm **1** round

[ENERGIIQ](https://millionrounds.com/fund/energiiq) Government **1** round

[Fair Capital Partners Impact Fund](https://millionrounds.com/fund/fair-capital-partners-impact-fund) VC firm **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=heattransformers).

## Quick answers about HeatTransformers

### Who invested in HeatTransformers?

HeatTransformers's investors include Energy Impact Partners, Sting, ENERGIIQ and Fair Capital Partners Impact Fund. Energy Impact Partners led its latest round.

### How much has HeatTransformers raised?

HeatTransformers has raised $16M across 1 round since 2023.

### When did HeatTransformers last raise?

HeatTransformers's most recent round was a Series A of $16M in Apr 2023, led by Energy Impact Partners.

### What was HeatTransformers's biggest round?

Its most recent round, $16M in Apr 2023, is also its largest on record.

### Who backed HeatTransformers first?

HeatTransformers's first round on record, in Apr 2023, was backed by Energy Impact Partners, Sting and ENERGIIQ and 1 others.

### What stage is HeatTransformers at?

HeatTransformers's latest named round is a Series A, in Apr 2023.

### Where is HeatTransformers based?

HeatTransformers is based in the Netherlands.

### Who led HeatTransformers's rounds?

Energy Impact Partners led the Series A in 2023.

## Companies like HeatTransformers

In the same sector, and raised in the last eighteen months.

[**Ore Energy** $43M · Aug 2026](https://millionrounds.com/company/ore-energy)[**Tap Electric** $5.7M · Jun 2026](https://millionrounds.com/company/tap-electric)[**Droppie** $4.8M · Jun 2026](https://millionrounds.com/company/droppie)[**DRI Energy** $200M · May 2026](https://millionrounds.com/company/dri-energy)[**Eddy Grid** $11M · May 2026](https://millionrounds.com/company/eddy-grid)[**ROCSYS** $31M · Apr 2026](https://millionrounds.com/company/rocsys)

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