# Climate Tech Circle

> Climate Tech Circle is a VC fund in San Francisco backing Manufacturing and SaaS. See 17 investments, check sizes, portfolio. Updated Aug 2026.

- Type: VC Fund
- Location: San Francisco, United States
- Total investments: 17
- Last investment: Jul 2024
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/climatetechcircle
- Website: https://www.climatetechcircle.com

Climate Tech Circle is a VC fund in San Francisco focused on Manufacturing and SaaS. Circle Fund for Climate Technology I is an AngelList rolling fund in which accredited investors can invest in early-stage climate tech startups that are developing and scaling people-focused businesses that address the world's most pressing climate challenges.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Manufacturing | 2 | 12% |
| SaaS | 1 | 6% |
| Energy | 1 | 6% |
| Travel | 1 | 6% |
| Delivery | 1 | 6% |

19 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 4 | 24% |
| Series B | 1 | 6% |
| Convertible Note | 1 | 6% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Matereal | Matereal is a biobased polyurethane manufacturer that seeks to replace the toxic polyurethane industry and bring a new environmentally safe plastic to market. | $4.5M | Seed | Jul 25, 2024 |  |
| EVERBLOOM | Bloomlabs provides a method to catalyze waste value by regenerating it as adaptable and appealing bio-plastics and textile fibers. It envisions a future in which outmoded, resource-intensive processes are phased out in favor of cutting-edge, sustainable, and scalable alternatives. | $250K | Convertible Note | Apr 21, 2024 |  |
| Lightship | Lightship is an all-electric RV manufacturer, designer, and producer of an aerodynamic, battery-powered trailer for the electric age. Lightship is an early-stage hardware startup launched in 2020 by Tesla alumni that is bringing the $26B RV industry into the electric age. Based in San Francisco and Broomfield, Colorado, Lightship is designing andproducing an aerodynamic, battery-powered trailer that liberates travelers from the noise, emissions, and range anxiety of gas RVing. | $34M | Series B | Jan 17, 2024 |  |
| Cala Systems | Cala Systems designs, manufactures, and sells the world's first intelligent heat pump water heater. | $5.6M | Seed | Jan 10, 2024 |  |
| Sway | Sway offers regenerative design solutions for plastic pollution using seaweed to create compostable replacements for single-use plastics. The company was co-founded by Julia Marsh, Matt Mayes, and Leland Maschmeyer and is headquartered in San Francisco, California, United States. | $5M | Seed | Dec 05, 2023 |  |
| Channing Street Copper Company | Channing Street Copper Company provides Energy Storage Equipped (ESE) appliances such as induction cookers. The company offers an induction cooker that uses electricity to directly heat the pan and it's an electric range that works during a power outage. Channing Street Copper Company was founded in 2022 and is headquartered in Berkeley, CA. | $6.9M | Seed | Sep 15, 2023 |  |
| Channing Street Copper Company | Channing Street Copper Company provides Energy Storage Equipped (ESE) appliances such as induction cookers. The company offers an induction cooker that uses electricity to directly heat the pan and it's an electric range that works during a power outage. Channing Street Copper Company was founded in 2022 and is headquartered in Berkeley, CA. | $6.9M | Seed | Aug 31, 2023 |  |
| Copper | Copper is a a battery solutions startup. | $6.9M | Seed | Aug 31, 2023 |  |
| Scalvy | Scalvy is a distributed power delivery company that develops modular power electronics and energy systems that enable distributed power delivery for applications such as data centers, energy storage, and electric mobility. The company replaces traditional centralized power architectures with a distributed system of “power neurons,” which convertand manage electricity closer to the point of use, improving efficiency, scalability, and system reliability. Its platform is built on software-defined, modular components that can be scaled across different power levels and use cases, allowing flexible deployment in high-demand environments. These systems support high-voltage output ranges and deliver high power density while reducing the physical footprint and complexity of conventional power infrastructure. | $3M | Seed | Jul 14, 2023 |  |
| C16 Biosciences | C16 Biosciences is a biotechnology firm that uses microbiology to brew sustainable alternatives to palm oil.Utilizing its exclusive platform, the company is generating innovative ingredients without concessions for top global consumer goods manufacturers. Recently, they introduced the Palmless™ platform for sustainable ingredients, along withtheir inaugural biodesigned ingredient, Torula oil—a premium bioactive oil with clinically proven benefits for enhancing skin and hair health. |  | Series A | Apr 26, 2023 |  |

10 of 17 investments shown.

## Co-investors
- [Climate Capital](https://shizune.co/investors/profile/climate-capital) — VC Fund, 5 deals together
- [Collaborative Fund](https://shizune.co/investors/profile/collaborative-fund) — VC Fund, 4 deals together
- [Leap Forward Ventures](https://shizune.co/investors/profile/leap-forward-ventures) — VC Fund, 3 deals together
- [SBXi](https://shizune.co/investors/profile/sbxi) — VC Fund, 3 deals together
- [Voyager Ventures](https://shizune.co/investors/profile/voyager-ventures) — VC Fund, 3 deals together
- [Alante Capital](https://shizune.co/investors/profile/alante-capital) — VC Fund, 2 deals together

## Similar investors

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund

## FAQ

### What does Climate Tech Circle invest in?

Climate Tech Circle invests primarily in Manufacturing, SaaS and Energy startups, most often at Seed and Series B stage. Most of the 17 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Climate Tech Circle last invest?

The most recent investment recorded for Climate Tech Circle closed in Jul 2024. Shizune tracks 17 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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