Where are Greentown Labs locations and which one should I choose?

Greentown Labs operates in Somerville, MA and Houston, TX. Both locations support climate tech startups, but each connects you to different regional ecosystems. Your choice depends on your company’s goals, partnerships, and preferred market access. Greentown Labs can help you determine the best fit.

How much does it cost to join Greentown Labs in Somerville or Houston?

Membership costs at Greentown Labs in Somerville, MA and Houston, TX vary based on your startup’s stage, lab needs, and space requirements. Pricing includes access to facilities and community resources. Contact Greentown Labs to discuss options and find a membership structure that fits your company.

What is the application process for Greentown Labs startups?

Startups apply to Greentown Labs in Somerville, MA or Houston, TX through a review process focused on climate impact, innovation, and scalability. Selected companies gain access to workspace and a strong network. Reach out to Greentown Labs to begin your application and learn about current openings.

What types of companies does Greentown Labs support?

Greentown Labs supports climate tech startups in Somerville, MA and Houston, TX working on renewable energy, decarbonization, advanced materials, and sustainability solutions. The focus is on technologies that can make a measurable environmental impact and scale to real world applications.

What facilities and resources are available at Greentown Labs?

Greentown Labs in both Somerville, MA and Houston, TX offers lab space, prototyping equipment, office areas, and access to investors and industry partners. These resources are designed to help startups accelerate development and move from concept to commercialization in a collaborative environment.

Can I collaborate with Greentown Labs as a partner or investor?

Yes, Greentown Labs in Somerville, MA and Houston, TX works with corporate partners, investors, and organizations interested in climate innovation. These collaborations support startups through funding, mentorship, and pilot opportunities. Contact Greentown Labs to explore partnership opportunities.

Do I need to be local to join Greentown Labs?

No, startups from across the country and internationally can apply to Greentown Labs in Somerville, MA or Houston, TX. Many companies relocate or establish a presence to take advantage of the facilities, network, and ecosystem support available at each location.

How do I get started with Greentown Labs?

Getting started with Greentown Labs in Somerville, MA or Houston, TX begins by reaching out to their team to discuss your startup or interest in collaboration. They will guide you through next steps based on your goals. Connect with Greentown Labs to learn how to join their community.

Greentown Labs Startup News Roundup — April 2026

Our 260+ startups never fail to impress us with their hard work and commitment to scaling their climatetech solutions! Check out their latest accomplishments below.

Interested in engaging with or joining our community of climatetech startups? Learn about how you can take action with our members or apply for startup membership!

Funding

Carbon to Value Initiative Year 5 cohort member Sora Fuel closed a $14.6M round to convert captured carbon into syngas to produce sustainable aviation fuel.
Helix Earth Technologies closed a $12M Seed 2 round for commercial deployment of retrofitted HVAC systems that improve humidity, ventilation, and energy efficiency.
Monaire raised $4M to accelerate the development of its automated energy-efficient commercial HVAC and refrigeration systems.
Oxylus Energy received a $2.9M ARPA-E grant to build an AI-accelerated workflow to discover electrocatalysts for converting CO2 to syngas and methanol.
NOC Energy raised a $2.7M seed round for its technology that converts power into thermal energy and integrates into existing fossil fuel-fired infrastructure.
Greentown alum Via Separations, a developer of industrial filters for more efficient chemical production, raised $36M in “pre-growth” funding.

Partnerships + Deployments

Reframe Systems, a physical AI company innovating homebuilding with robotic microfactories, deployed a 554-square-foot unit in Woburn, MA.
Dottir Labs, a startup developing real-time chemical monitoring systems using scalable sensor networks, deployed its first pilot at the University of Rhode Island.
Boxes announced a partnership with L’Oréal to launch retail devices that provide product samples and engagement experiences while collecting consumer preference insights.
Greentown alum Fervo Energy, a next-generation geothermal power developer delivering 24/7 carbon-free energy, announced two partnerships:
- A three-year framework agreement with Turboden America LLC to supply Organic Rankine cycle units for up to 35 GeoBlocks (1.75 GW of capacity).
- A five-year supply agreement with Vallourec to support the scaled deployment of geothermal energy across the United States.
Greentown alum Cyvl announced three deployments of its infrastructure intelligence platform, leveraging 3D mapping sensors and AI to improve asset management:
- Launched askboston.ai, a new tool in partnership with the City of Boston, to publicize streets’ infrastructure data
- Partnered with the City of Buffalo to deploy technology for automated roadway and sidewalk assessment
- Deployed in the City of Niagara Falls in Ontario, its first deployment in Canada

Awards + Recognition

QEA Tech’s data-driven building envelope audits using patented AI software, drones, and thermography won Tomorrow.City USA’s pitch competition.
Greentown members and alumni were named on the TIME list of America’s Top 250 GreenTech Companies of 2026:
- Greentown alum Fervo Energy was ranked first for its geothermal power technology, delivering carbon-free energy
- Additional Greentown members recognized:
  - Form Energy, developer of an innovative iron-air long-duration battery
  - Sublime Systems, whose technology decarbonizes cement-making and reduces cement kiln emissions
  - Advanced Ionics, which is creating new electrolyzer technology to enable decarbonized green hydrogen production
  - Phoenix Tailings, creator of the first fully clean mining and rare metals production technologies
- Additional Greentown alumni recognized:
  - SparkCharge, manufacturer of efficient, portable, and modular charging stations for electric vehicles
  - Capture6, which uses salt water to remove atmospheric carbon while producing clean freshwater
  - Amogy, which is decarbonizing commercial transportation with a portable carbon-free energy system using ammonia as a renewable fuel
  - Ebb Carbon, developer of a system using low-carbon electricity and membranes to convert atmospheric carbon to oceanic bicarbonate
  - Ohmium International, a company providing electrochemical products to enable the deployment of green hydrogen
  - Kula Bio, which is creating organic biofertilizers by supercharging natural microbes with renewable energy
Three Greentown members were recognized at the 2026 Edison Awards:
- Laminar won gold in Optimized Industrial Process control for its data-driven IoT platform that optimizes industrial liquid and fluid systems.
- Cyvl won Silver in Resilient Public Infrastructure for its 3D mapping and AI-powered infrastructure intelligence and asset management platform.
- Adept Materials won Silver in Intelligent Painting Systems for its multifunctional building material technology, improving moisture regulation and energy efficiency.