Fourteen climatetech startups joined our community in Q3 2025, working on technologies ranging from redox-loop batteries to crop-growth-prediction software.
We’re thrilled to support these groundbreaking climatetech startups—let us introduce you!
Agriculture
HarvestAI combines advanced computer vision and machine learning to predict crop growth and yield under varying growth conditions. (Greentown Boston)
Buildings
Manatee Energy drives down the cost of heat-pump installations with technology, automation, and rigorous research to save consumers thousands while electrifying their home heating and cooling. (Greentown Boston)
SWERV’s window-ventilation product easily, affordably, and efficiently delivers fresh, filtered air into your home. (Greentown Boston)
Electricity
10Dq’s redox-loop battery uses novel, water-based electrolytes to store energy in dense, low-cost, earth-abundant battery materials. (Greentown Boston)
ATS Energy converts industrial waste heat into energy without a single moving part. (Greentown Houston)
FlowCellutions combines 24/7 monitoring software, proprietary sensors, and data-powered predictive maintenance to create chemistry-agnostic diagnostic tools for grid-scale batteries. (Greentown Houston)
Wise Energie delivers turnkey microgrids that blend vertical-axis wind, solar PV, and battery storage into a single, silent system, generating 24/7 clean power anywhere it’s needed. (Greentown Houston)
Manufacturing
Adiabatic Materials develops processes that use aqueous organic materials to produce chemicals using electricity instead of heat. (Greentown Boston)
LOCOAL provides a scalable, on-site solution to monetize challenging waste streams into profitable, carbon-negative assets. (Greentown Houston)
Mithril Technologies’s reshapable, mesh antenna reflectors enable advanced and resilient satellite communications, weather monitoring, and Earth sensing in geosynchronous orbit. (Greentown Boston)
Resollant’s compact, zero-emissions hydrogen and carbon reactors provide low-cost, scalable clean hydrogen and high-purity carbon for the energy and manufacturing sectors. (Greentown Houston)
Secant Fuel develops a one-step thermo-catalytic process that converts flue gas into syngas. (Greentown Houston)
Resiliency + Adaptation
HGenium develops a fully integrated water-splitting cycle that produces green hydrogen and naturally pulls CO2 from the air. (Greentown Houston)
Harmony Desalting’s batch-reverse-osmosis process uses a variable-pressure bladder to enable more energy- and cost-efficient desalination for any kind of water. (Greentown Boston)