# Carnot Compression funding: rounds and investors

> Carnot Compression has raised $533K across 2 rounds since 2014. Investors include National Science Foundation. Every round with its source.

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

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

# Who invested in *Carnot Compression*

2 rounds we have observed, with the one investor named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Energy

Funding summary Updated 26 Oct 2026

**$533K** raised across 2 rounds since 2014, from 2 sources

**$400K** Seed **$133K** Crowdfunding

- **Latest round:** Crowdfunding, $133K Feb 2023
- **Biggest round:** $400K Seed · Jan 2014
- **Investors:** 1

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2014 2016 2018 2020 2022

**$400K** Seed

**$133K** Crowdfunding

- **First round:** Seed, $400K
- **Biggest round:** $400K
- **Between rounds:** 9.1 years

## The rounds

- **Feb 2023** Crowdfunding **$133K** *1 new* [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) Source recorded
- **Jan 2014** Seed **$400K** No investor was named in the report. From a historical funding record

## Funding filed with regulators

Carnot Compression filed 2 raises, $870K in all. Filings say how much was sold and to how many investors; they never name the investors.

- Feb 2023 **$100K** common stock of $3.2M offered Crowdfunding
- Apr 2022 **$770K** common stock of $1.1M offered Crowdfunding

## Everyone who backed them

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

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

## Quick answers about Carnot Compression

### Who invested in Carnot Compression?

Carnot Compression's investors include National Science Foundation.

### How much has Carnot Compression raised?

Carnot Compression has raised $533K across 2 rounds since 2014.

### When did Carnot Compression last raise?

Carnot Compression's most recent round was a Crowdfunding of $133K in Feb 2023.

### What was Carnot Compression's biggest round?

Carnot Compression's largest round on record is $400K (Seed), in Jan 2014.

### Who backed Carnot Compression first?

Carnot Compression's first round on record, in Feb 2023, was backed by National Science Foundation.

### What stage is Carnot Compression at?

Carnot Compression's latest named round is a Crowdfunding, in Feb 2023.

### Where is Carnot Compression based?

Carnot Compression is based in the United States.

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