A Pasadena public affairs firm brings campaign organizers to census calls, airbag recalls and kitchen-table paperwork. Its most useful lesson: getting someone’s attention is only the beginning.
Buying solar means comparing equipment, financing and promises about the next 25 years. EnergySage built a business by putting those promises on the same page - and now wants to do the same for the rest of the electric home.
Palmetto owns the solar panels. You get the power. Inside the Charlotte software company betting that clean energy should work like a subscription - and raising billions to prove it.
Quilt is a Redwood City climate-tech company building a software-defined ductless heat pump for room-by-room home heating and cooling. Founded in 2022 by former Google and Nest people, its system pairs an outdoor compressor with slim indoor heads that carry millimeter-wave occupancy sensors, a Quilt Dial thermostat, and an app that ships over-the-air updates so the hardware gets smarter after install. Quilt sells direct-to-consumer through certified installers and has raised $62M across seed, Series A, and Series B rounds to move households off fossil-fuel heating.
Coral is a New York-based climate fintech that lets HVAC and electrical contractors turn complex government and utility rebates into instant, upfront discounts at the point of sale. Its AI-powered platform verifies rebate eligibility on the spot, files the paperwork directly with programs, and advances the rebate funds - typically within one business day - so homeowners can knock thousands off a heat pump install at the kitchen table. Coral raised a $7.5M seed round in March 2026 and works with 100+ installers across the Northeast.
Dandelion Energy is an Alphabet (Google X) spinout that designs, installs, and finances residential and multifamily geothermal heating and cooling systems. By drilling ground loops that tap the earth's stable temperature and pairing them with a proprietary heat pump, Dandelion replaces fossil-fuel furnaces and air conditioners with a single all-electric system that cuts home heating and cooling bills while eliminating on-site emissions. The company has grown into the largest home geothermal provider in the U.S., installing thousands of systems and partnering with the nation's largest production homebuilders and multifamily developers to make geothermal a default option for new construction.
Impulse Labs makes the world's most powerful induction cooktop - a $6,999 battery-integrated stove that boils a liter of water in under 40 seconds and doubles as backup power for your kitchen. Founded in 2021 by ex-Oculus product architect Sam D'Amico, the San Francisco company wants every appliance in your home to become a grid-friendly battery.

SPAN builds smart electrical panels that turn the most ignored box in the house into the control center for solar, batteries, EVs and heat pumps. Founded in 2018 by former Tesla Powerwall lead Arch Rao, the company sells to homeowners through installers and to utilities through its SPAN Edge program for grid-edge load management.