# AtmosZero funding: rounds and investors

> AtmosZero has raised $250K across 1 round since 2024. Investors include US Department of Energy, Energy Impact Partners and AENU. Every round with its source.

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

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

# Who invested in *AtmosZero*

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

**$250K** raised across 1 round since 2024, from 1 source

- **Latest round:** Grant, $250K Jul 2024
- **Investors:** 4

See who backed them

## The rounds

- **Jul 2024** Grant **$250K** [US Department of Energy](https://millionrounds.com/fund/u-s-department-of-energy) [Energy Impact Partners](https://millionrounds.com/fund/energy-impact-partners) [AENU](https://millionrounds.com/fund/aenu) [Engine Ventures](https://millionrounds.com/fund/engine-ventures) Source recorded

## Founders and team

From AtmosZero's own website: 4 on the team.

- **Addison Stark** Chief Executive Officer
- **Jim Barnhart** Chief Operating Officer
- **Kyle Adkins** Chief Financial Officer
- **Todd Bandhauer** Chief Technology Officer

## Everyone who backed them

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

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

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

[Engine Ventures](https://millionrounds.com/fund/engine-ventures) VC firm **1** round

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

## Quick answers about AtmosZero

### Who invested in AtmosZero?

AtmosZero's investors include US Department of Energy, Energy Impact Partners, AENU and Engine Ventures.

### How much has AtmosZero raised?

AtmosZero has raised $250K across 1 round since 2024.

### When did AtmosZero last raise?

AtmosZero's most recent round was a Grant of $250K in Jul 2024.

### What was AtmosZero's biggest round?

Its most recent round, $250K in Jul 2024, is also its largest on record.

### Who backed AtmosZero first?

AtmosZero's first round on record, in Jul 2024, was backed by US Department of Energy, Energy Impact Partners and AENU and 1 others.

### What stage is AtmosZero at?

AtmosZero's latest named round is a Grant, in Jul 2024.

### Where is AtmosZero based?

AtmosZero is based in the United States.

## Companies like AtmosZero

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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