# Carnrite Ventures

> Carnrite Ventures is a VC fund in Houston backing Medical and Renewable Energy. See 8 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: Houston, United States
- Total investments: 8
- Last investment: Mar 2026
- Lead investor: 13%
- Last updated: Aug 2026
- X (Twitter): http://www.twitter.com/carnritegroup
- Website: http://carnritegroup.com/ventures/

Carnrite Ventures is a VC fund in Houston focused on Medical and Renewable Energy. Carnrite Ventures provide investment capital, executive leadership, turnaround services and back-office support to our partner and portfolio companies. they are actively seeking investment opportunities in businesses with growth potential or require operational and financial performance improvements to maximize value.

## Contacts

5 contacts available for Carnrite Ventures. Shizune tracks 1 team members at Carnrite Ventures. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/carnrite-ventures?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Medical | 2 | 25% |
| Renewable Energy | 2 | 25% |
| SaaS | 1 | 13% |
| Finance | 1 | 13% |
| Internet | 1 | 13% |

18 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 6 | 75% |
| Series A | 1 | 13% |
| Series B | 1 | 13% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Alan "Al" Carnrite | Founder and CEO | 1 | — |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Helix Earth Technologies | Helix Earth Technologies revolutionizes liquid-gas chemistry to disrupt and decarbonize the built environment and heavy industries. With many incentives and tax credits available, the Helix products may cost $0 out-of-pocket making our devices an easy and obvious addition to rooftop HVAC systems. | $12M | Seed | Mar 26, 2026 |  |
| Haven Energy | Haven Energy is a climate technology company that is accelerating home energy storage adoption. Haven walks homeowners through the process of selecting, quoting, and financing a home battery system, and then connects them with vetted, qualified electricians to complete the installation. Haven works with homeowners after installation to integratetheir batteries into an aggregated virtual power plant, allowing customers to monetize grid participation and significantly reduce their electricity costs. | $40M | Series B | Dec 09, 2025 |  |
| RBL | RBL is a biotech venture creation studio designed to rapidly build companies based on life-saving medical technologies.. |  | Seed | Aug 08, 2025 |  |
| Breaking | Breaking is a plastic degradation and synthetic biology company. | $10.5M | Seed | Apr 17, 2024 |  |
| Nest Collaborative | Nest Collaborative is a provider of on-demand lactation counseling services intended to offer a collection of international board certified lactation consultants who conduct online, video appointments to help guide moms through the breastfeeding process. The company's services are offered via an online platform that offers reimbursed maternal,neonatal and lactation counseling services, enabling women to avail safe, convenient and affordable access to quality pediatric care, at home. | $6M | Series A | Jan 16, 2024 |  |
| Ceritas | Ceritas is a Hardware Bill of Materials (HBOM) vulnerability analysis and remediation platform for critical infrastructure. | $5M | Seed | Jun 25, 2022 |  |
| Nest Collaborative | Nest Collaborative is a provider of on-demand lactation counseling services intended to offer a collection of international board certified lactation consultants who conduct online, video appointments to help guide moms through the breastfeeding process. The company's services are offered via an online platform that offers reimbursed maternal,neonatal and lactation counseling services, enabling women to avail safe, convenient and affordable access to quality pediatric care, at home. | $4.3M | Seed | Mar 15, 2022 |  |
| Persefoni AI | Persefoni is a Climate Management & Accounting Platform (CMAP). The company's Software-as-a-Service solutions enable enterprises and financial institutions to meet stakeholder and regulatory climate disclosure requirements with the highest degrees of trust, transparency, and ease. As the ERP of Carbon, the Persefoni platform provides userswith a single source of carbon truth across their organization, enabling them to manage their carbon transactions and inventory with the same rigor and confidence as their financial transactions. | $3.5M | Seed | Aug 18, 2020 |  |

8 of 8 investments shown.

## Co-investors
- [Portfolia](https://shizune.co/investors/profile/portfolia) — VC Fund, 4 deals together
- [Altitude Ventures](https://shizune.co/investors/profile/altitude-ventures) — VC Fund, 2 deals together
- [Connecticut Innovations](https://shizune.co/investors/profile/connecticut-innovations) — VC Fund, 2 deals together
- [Hustle Fund](https://shizune.co/investors/profile/hustle-fund) — VC Fund, 2 deals together
- [Bread and Butter Ventures](https://shizune.co/investors/profile/the-syndicate-fund) — VC Fund, 2 deals together
- [Wavemaker 360](https://shizune.co/investors/profile/wavemaker-360) — 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 Carnrite Ventures invest in?

Carnrite Ventures invests primarily in Medical, Renewable Energy and SaaS startups, most often at Seed and Series A stage. Most of the 8 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 Carnrite Ventures?

Public channels for Carnrite Ventures include X (Twitter) and the website linked on this profile. 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.

### Who are the partners at Carnrite Ventures?

The team at Carnrite Ventures includes Alan "Al" Carnrite (Founder and CEO). The Team section lists each member with their title, investment count and links.

### 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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