News

Meet Our Members: Introducing Greentown’s Newest Startups of Q1 2026

Twenty-nine climatetech startups have joined our community so far this year, working on technologies ranging from hydrogen-powered drones to AI-driven grid optimization.

We’re thrilled to support these groundbreaking climatetech startups—let us introduce you!

Photo: BLU NXT

Agriculture

  • Hylio manufactures NDAA-compliant UAS platforms, specifically heavy-lift spray drones integrated with proprietary control software, to replace traditional crop-care methods. (Greentown Houston)

Buildings

  • Upgraid RE uses AI and satellite data to diagnose buildings, run energy simulations, and produce ready-to-pitch upgrade proposals for every property. (Greentown Boston)
  • Lumiere designs low-voltage and automation systems—including integrated lighting, climate optimization, and energy management—to create efficiency-driven ecosystems that reduce energy waste in residential projects. (Greentown Houston)
  • Zero Homes simplifies the transition to residential heat pumps through a mobile app that enables virtual home assessments, custom system design, and transparent access to rebates. (Greentown Boston)

Electricity

  • Adaion utilizes an AI-driven digital twin to streamline and automate grid planning by identifying system constraints and automated solutions from AMI and GIS data. (Greentown Boston)
  • BLU NXT develops a patented solar concentrator that produces high-temperature heat to deliver electricity and industrial heat, integrating with thermal storage for 24/7 operation. (Greentown Boston)
  • LiftOFF Technology develops a next-gen battery that unlocks a step-increase in energy density while plugging into existing supply chains of abundant and domestically available elements. (Greentown Boston)
  • Mocean Energy provides hybrid wave, solar, and battery storage systems that deliver reliable, localized clean power for offshore and coastal industries. (Greentown Houston)
  • Nebumi integrates global satellite observations and applies an independent, agentic physics-based AI layer to transform raw data into trusted, decision-ready methane intelligence. (Greentown Houston)
  • Rivsal engineers scalable power plants that run on water to deliver green, clean electricity with breakthrough technology. (Greentown Houston)

Manufacturing

  • AmHyTech builds an ammonia infrastructure layer that enables practical liquid ammonia handling at ambient conditions, removing long-standing deployment barriers. (Greentown Boston)
  • BETZ Group supports offshore wind farm investors and onshore developers with high-accuracy, real-time wind and drive-train datasets that reduce investment uncertainty and risk. (Greentown Boston)
  • HEXASpec develops semiconductor molding compounds with 10x higher thermal conductivity than conventional epoxies to improve heat dissipation at the package level. (Greentown Houston)
  • Ignition Packaging develops biodegradable packaging materials using engineering practices that maintain the structural stability and practicality of conventional plastics while reducing environmental pollution. (Greentown Houston)
  • Kausalyze utilizes Causal AI to map real-world cause-and-effect relationships within industrial systems, helping process manufacturers eliminate unplanned downtime. (Greentown Houston)
  • Packwise digitizes the liquid supply chain with an industrial IoT solution that tracks the location, fill level, and temperature of industrial containers to improve resource efficiency. (Greentown Houston)
  • RenewCO2 develops an electrochemical process that converts CO2 directly into multi-carbon liquid chemicals and fuels using only CO2, water, and electricity. (Greentown Houston)
  • Rheom Materials pioneers next-gen materials that leverage existing plastics manufacturing to create scalable, biobased alternatives. (Greentown Houston)

Resiliency + Adaptation

  • Circulus Air designs and deploys adaptable clean-air systems that remove harmful gases and pollutants directly at the source with minimal energy consumption. (Greentown Houston)
  • Clear Sky Innovations delivers a physics-based, AI-powered geoscience platform for industries where subsurface knowledge is critical, such as energy, minerals, and carbon storage. (Greentown Houston)
  • GeoTeknica provides advanced laser-based monitoring to detect and quantify methane emissions at the component level, enabling rapid leak detection and compliance. (Greentown Houston)
  • Konscious Planet develops and delivers modular clean fuel infrastructure, focusing on the production of e-methanol and sustainable aviation fuel at industrial hubs and ports. (Greentown Houston)
  • Pike Robotics transforms industrial inspection with Wall-Eye, a wall-crawling robot designed to perform in-service inspections inside explosive, confined environments. (Greentown Houston)
  • ThermaFuels integrates proven methanol production and power technologies into modular, financeable project designs to deploy scalable low-carbon fuel infrastructure. (Greentown Houston)
  • TransOcean Clean Energy Risk delivers risk management solutions for global cleantech portfolios by transferring downside performance risk onto highly rated reinsurance capital. (Greentown Boston)
  • StringData Motion develops agentic AI solutions that combine advanced AI agents with proprietary data foundations to help organizations automate complex decisions and orchestrate workflows. (Greentown Houston)

Transportation

  • Cellen manufactures American-built, hydrogen-powered drones designed for long-endurance commercial missions with zero emissions and rapid refueling capabilities. (Greentown Houston)
  • Flight Guard AI develops an on-device pilot wearable safety system that uses computer vision and AI to monitor instrument panels and pilot fatigue in real-time. (Greentown Houston)
  • Simlionics combines electrochemical physics with AI-based methods to understand, predict, and optimize battery performance and safety for EV and energy-storage systems. (Greentown Houston)