Series B Climate tech companies in San Francisco

Buildings globally use around 15% of all potable water, but very few buildings reuse that water. Epic Cleantec is on a mission to change that.Epic Cleantec (“Epic”) is a full-service water technology company that deploys onsite water treatment and reuse systems into individual buildings or groups of buildings, converting building wastewater (greywater, blackwater, stormwater, rainwater) into highly purified treated water for non-potable applications like toilet flushing, irrigation, cooling towers, and laundry.Occupying a small footprint within a project, the Epic approach can reuse up to 95% of a building’s wastewater, lowering water and wastewater costs by up to six figures annually. Unique to Epic is that our systems can also incorporate full resource recovery by converting wastewater organics into carbon-rich soil products for landscaping and gardening, and recovering wastewater heat energy to preheat the potable water supply, reducing a project’s hot water energy needs by up to 30%. Our innovative approach can help earn up to 24 LEED points.Epic provides a one-stop-shop for design, engineering, permitting, construction support, and ongoing operations. Our team has decades of experience across the wastewater and built environment value chain, with expertise in wastewater treatment and solids handling technology, project financing, policy, and operations.Epic has been featured widely in prominent publications including CNBC, CNN, The Guardian, The New York Times, CBS, Bloomberg, NBC Bay Area, ABC7, TechCrunch, and more. Epic has received many accolades, including in the no.1 spot on Fast Company’s Most Innovative Companies list in the small company category. In 2022, Epic’s OneWaterTM system was named a TIME Best Invention of the Year.

• Series B
• 33 employees
• Founded 2015

Compology is now part of Roadrunner, powering modern waste and recycling services for businesses of all sizes.

• Series B
• 11 employees
• Founded 2012

Sunfolding is simplifying solar so that our customers can build a world powered by clean energy. We manufacture PV power plant solutions that enable fast and easy design, installation, and operations with the best tracker on the planet. Sunfolding’s flagship product, the Sunfolding T29TM tracker, features Sunfolding’s AirDrive technology, which uses the strength and resilience of wear-free automotive components to replace problematic tracker motors, gearboxes, and other wear surfaces. The Sunfolding T29 tracker makes design and installation a breeze, with a streamlined and inherently robust design, fewer components, and greater layout flexibility than any other tracker. Fewer components and zero wear surfaces translates to smooth power plant operations and nothing but uptime. Founded in 2012 and headquartered in San Francisco, Sunfolding’s products are designed and manufactured in the United States.

• Series B
• 8 employees
• Founded 2012