# Unreasonable Group

> Unreasonable Group is a VC fund backing CleanTech and Energy Efficiency. See 2 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: Boulder, United States
- Total investments: 2
- Last investment: Feb 2023
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/unreasonable-group
- X (Twitter): http://www.twitter.com/unreasonable
- Website: http://unreasonablegroup.com/
- Facebook: http://www.facebook.com/unreasonable

Unreasonable Group is a VC fund in Boulder focused on CleanTech and Energy Efficiency. Our ambition is to serve as a catalyst for entrepreneurship in the 21st century & harness its collective power to address the greatest challenges of our time.

## Contacts

5 contacts available for Unreasonable Group. Shizune tracks 8 team members at Unreasonable Group. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/unreasonable-group?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| CleanTech | 2 | 100% |
| Energy Efficiency | 2 | 100% |
| Energy | 1 | 50% |
| Sensor | 1 | 50% |
| Consumer | 1 | 50% |

10 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 1 | 50% |
| Series B | 1 | 50% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 1 | 50% |
| United Kingdom | 1 | 50% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Brendan Richardson | Unreasonable Fellow | 0 | https://shizune.co/investors/profile/brendan-richardson |
| Christiana Wyly | Chairwoman, Board Of Directors | 3 | https://shizune.co/investors/profile/christiana-wyly |
| Daniel Epstein | Founder and CEO | 0 | https://shizune.co/investors/profile/daniel-epstein |
| Evan Patronik | Captain of Venture Selection, Global Community Team \|\| Culture Guardian | 0 | https://shizune.co/investors/profile/evan-patronik |
| Jeff Hoffman | Founding Board Member | 0 | https://shizune.co/investors/profile/jeff-hoffman-2 |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| BlocPower | BlocPower is an energy technology startup that develops healthier, greener, and smarter buildings.It leverages advanced technologies, innovative electrification equipment, and structured finance to provide green heating and cooling to urban buildings. The company also connects government agencies, utilities, building owners, and smart equipmentproviders to identify unhealthy, energy-wasting buildings to retrofit. Its proprietary machine learning platform then determines which retrofits will produce the most energy savings at scale and uses the cloud and IoT to gather data and remotely monitor energy consumption. Since its founding, BlocPower has completed energy projects in nearly 1,000 buildings and delivered results ahead of schedule and under budget. It utilizes its proprietary software for analysis, leasing, project management, and monitoring of urban clean energy projects, and its customers are saving 20–40% on their energy bills each year. The company is backed by top investors, including Kapor Capital, Andreessen Horowitz, the American Family Insurance Institute for Corporate and Social Impact, AccelR8, the Goldman Sachs Urban Investment Group, Elemental Excelerator, CityRock Venture Partners, the Schmidt Family Foundation, and Salesforce Ventures.Donnel Baird and Morris Cox co-founded the company in Brooklyn, New York in 2014. | $24M | Series B | Feb 28, 2023 |  |
| Airex | Airex is a smart ventilation control that builds intelligent air ventilation units using atmospheric sensors and cloud algorithms. The company develops a retrofit smart ventilation control system that controls the airflow through air-bricks. Through it, owners will benefit from decreased energy bills, warmer homes, enhanced thermal comfort, healthyhome, and minimal disturbance without compromising on air quality. The smart algorithms allow automatic air flow regulation while taking into account local weather and air quality data.Airex was founded on 2016 and is headquartered in London. | $3.2M | Series A | Dec 12, 2022 |  |

2 of 2 investments shown.

## Co-investors
- [Barclays Ventures](https://shizune.co/investors/profile/barclays-ventures) — VC Fund, 2 deals together
- [Nesta](https://shizune.co/investors/profile/nesta-5) — VC Fund, 2 deals together
- [Unreasonable](https://shizune.co/investors/profile/unreasonable) — VC Fund, 2 deals together
- [Builders Vision](https://shizune.co/investors/profile/builders-vision) — VC Fund, 1 deal together
- [Credit Suisse](https://shizune.co/investors/profile/credit-suisse) — VC Fund, 1 deal together
- [Gaingels](https://shizune.co/investors/profile/gaing) — VC Fund, 1 deal 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
- [General Catalyst](https://shizune.co/investors/profile/general-catalyst-partners) — VC Fund

## FAQ

### What does Unreasonable Group invest in?

Unreasonable Group invests primarily in CleanTech, Energy Efficiency and Energy startups, most often at Series A and Series B stage. Most of the 2 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 Unreasonable Group?

Public channels for Unreasonable Group include LinkedIn, 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 Unreasonable Group?

The team at Unreasonable Group includes Brendan Richardson (Unreasonable Fellow), Christiana Wyly (Chairwoman, Board Of Directors) and Daniel Epstein (Founder and CEO), among 8 team members tracked by Shizune. 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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