# Logan Grizzel

> Logan Grizzel is a Series A investor at MUUS Climate Partners backing Energy. See 4 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: Angel Investor
- Fund: [MUUS Climate Partners](https://shizune.co/investors/profile/muus-climate-partners)
- Location: Denver, United States
- Total investments: 4
- Last investment: Sep 2024
- Lead investor: 25%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/logangrizzel

Logan Grizzel is a Series A investor at MUUS Climate Partners in Denver focused on Energy and Software. Logan Grizzel is the Chief Technology Officer. and Partner at Blackhorn Ventures. He is focused on the technical review of investment opportunities and supporting portfolio companies on product planning/development. Logan graduated with honors from the Georgia Institute of Technology with a B.S. in Physics.

## Contacts

5 contacts available for Logan Grizzel: work email, personal email, work phone, personal phone and socials. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-email/logan-grizzel-e7ef?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Energy | 1 | 25% |
| Software | 1 | 25% |
| Automotive | 1 | 25% |
| Electronics | 1 | 25% |
| Clean Energy | 1 | 25% |

12 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 2 | 50% |
| Seed | 1 | 25% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| AmpUp | AmpUp is an electric vehicle charging company that enables drivers, hosts, and fleets to charge stress-free. | $15M | Series A | Sep 26, 2024 |  |
| Harvest Thermal | Harvest Thermal develops a control system for home use that integrates heating, hot water, and cooling with thermal storage. Its Harvest Thermal Pod is a cloud-connected IoT device that is machine learning enabled. It aims to provide affordable and low-carbon heating, hot water, and cooling systems that reduce the impact on the planet whileproviding comfort and safer homes. | $4M | Seed | Oct 19, 2023 |  |
| Harvest Thermal | Harvest Thermal develops a control system for home use that integrates heating, hot water, and cooling with thermal storage. Its Harvest Thermal Pod is a cloud-connected IoT device that is machine learning enabled. It aims to provide affordable and low-carbon heating, hot water, and cooling systems that reduce the impact on the planet whileproviding comfort and safer homes. | $2.5M | Seed | Dec 12, 2022 |  |
| Amperon | Amperon is a provider of smart meters to deliver real-time energy data forecasts. There over 70M smart meters currently installed in the country, collecting 15 minute resolution electricity data for every type of ratepayer (including residential, commercial, and industrial). The data has been relatively untapped for the past decade, and Amperon isleveraging it to charge forward and bring AI to the energy world to usher in the smart grid of the future. | $7M | Series A | May 05, 2022 |  |

4 of 4 investments shown.

## Co-investors
- [Climate Capital](https://shizune.co/investors/profile/climate-capital) — VC Fund, 2 deals together
- [Starshot Capital](https://shizune.co/investors/profile/starshot-capital) — VC Fund, 2 deals together
- [Autotech Ventures](https://shizune.co/investors/profile/autotech-ventures) — VC Fund, 1 deal together
- [Connecticut Innovations](https://shizune.co/investors/profile/connecticut-innovations) — VC Fund, 1 deal together
- [Dangerous Ventures](https://shizune.co/investors/profile/dangerous-ventures) — VC Fund, 1 deal together
- [Earth Foundry](https://shizune.co/investors/profile/earth-foundry) — VC Fund, 1 deal together

## About MUUS Climate Partners

VC Fund · New York, United States

MUUS has been investing in the convergence of decarbonization and technological innovation, in addition to decades of renewable energy investment.

2 contacts available at MUUS Climate Partners.

| Name | Title | Profile |
| --- | --- | --- |
| Logan Grizzel | Partner | https://shizune.co/investors/profile/logan-grizzel-e7ef |
| Tani Brown | Principal | https://shizune.co/investors/profile/tani-brown |

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### Similar stage
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## FAQ

### What does Logan Grizzel invest in?

Logan Grizzel invests primarily in Energy, Software and Automotive startups, most often at Series A and Seed stage. Most of the 4 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact Logan Grizzel?

Public channels for Logan Grizzel include LinkedIn. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.

### When did Logan Grizzel last invest?

The most recent investment recorded for Logan Grizzel closed in Sep 2024. Shizune tracks 4 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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