# Harvest Thermal funding: rounds and investors

> Harvest Thermal has raised $2.0M across 1 round since 2024. Investors include National Science Foundation, US Department of Energy and Portfolia.

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

United States · [Funded startup](https://millionrounds.com/companies)

# Who invested in *Harvest Thermal*

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.

Hardware & Electronics

Funding summary Updated 26 Oct 2026

**$2.0M** raised across 1 round since 2024, from 1 source

- **Latest round:** Grant, $2.0M Sept 2024
- **Investors:** 4

See who backed them

## The rounds

- **Sept 2024** Grant **$2.0M** [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) [US Department of Energy](https://millionrounds.com/fund/u-s-department-of-energy) [Portfolia](https://millionrounds.com/fund/portfolia) [Climate Capital](https://millionrounds.com/fund/climate-capital) Source recorded SEC filing: $2.0M sold, first sale Dec 2024

## Everyone who backed them

[National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) Government **1** round

[US Department of Energy](https://millionrounds.com/fund/u-s-department-of-energy) Government **1** round

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

[Climate Capital](https://millionrounds.com/fund/climate-capital) VC firm **1** round

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

## Also claim to have backed them

These 7 firms list Harvest Thermal as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

[TiE Angels](https://millionrounds.com/fund/tie-angels) Angel network Per its own site

[Dangerous Ventures](https://millionrounds.com/fund/dangerous-ventures) VC firm Per its own site

[Cool Climate Collective](https://millionrounds.com/fund/cool-climate-collective) Angel network Per its own site

[EnergyLab](https://millionrounds.com/fund/energylab) Accelerator Per its own site

[Net Zero Angels](https://millionrounds.com/fund/net-zero-angels) Angel network Per its own site

[Next Act Fund](https://millionrounds.com/fund/next-act-fund-llc) Angel network Per its own site

[Streetlife Ventures](https://millionrounds.com/fund/streetlife-ventures) VC firm Per its own site

## Quick answers about Harvest Thermal

### Who invested in Harvest Thermal?

Harvest Thermal's investors include National Science Foundation, US Department of Energy, Portfolia and Climate Capital.

### How much has Harvest Thermal raised?

Harvest Thermal has raised $2.0M across 1 round since 2024.

### When did Harvest Thermal last raise?

Harvest Thermal's most recent round was a Grant of $2.0M in Sept 2024.

### What was Harvest Thermal's biggest round?

Its most recent round, $2.0M in Sept 2024, is also its largest on record.

### Who backed Harvest Thermal first?

Harvest Thermal's first round on record, in Sept 2024, was backed by National Science Foundation, US Department of Energy and Portfolia and 1 others.

### What stage is Harvest Thermal at?

Harvest Thermal's latest named round is a Grant, in Sept 2024.

### Where is Harvest Thermal based?

Harvest Thermal is based in the United States.

## Companies like Harvest Thermal

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

[**Optivolt** $37M · Oct 2026](https://millionrounds.com/company/optivolt)[**Tenstorrent** $3.0B · Oct 2026](https://millionrounds.com/company/tenstorrent)[**Sabi** $50M · Oct 2026](https://millionrounds.com/company/sabi)[**Ringon** $70K · Oct 2026](https://millionrounds.com/company/ringon)[**Relay** $207M · Oct 2026](https://millionrounds.com/company/relay)[**SiMa.ai** $235M · Sept 2026](https://millionrounds.com/company/sima-ai)

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