We put cities on the 1.5° climate path.

We’re creating a market-transforming solution to accelerate building decarbonization and adaptation in residential buildings.

As a public benefit corporation, we put profit and our climate justice mission on equal footing. Though we already have a 3-year runway from an anchor client, an early investor, and a New York State prize, we'll be seeking additional investment soon because in climate action, speed is everything!

Find Out More


Action today is more important than what we do in 5 or 10 years.

Climate change won't discriminate, but those who are already marginalized are most at risk from its effects. Particularly in communities that historically have been disproportionately exposed to environmental hazards, renovating buildings will make the difference between living with chronic health hazards and living healthfully.

Buildings are for people. The unavoidable effects of climate change are moving the goal posts of what buildings must do to protect inhabitants. As buildings are renovated for deep emissions reductions, they must also be upgraded to protect residents against deadly high-heat, "cloudburst" high-intensity rain, and floods from sea level rise and intensified storms.

We must move faster to decarbonize buildings. The buildings sector is responsible for significant greenhouse gas emissions — up to two-thirds of urban emissions — and has been too slow to curb them. Achieving the emissions reductions goals necessary to avoid the worst effects of the climate emergency requires renovating existing buildings faster than ever before.

Let's solve this!



Meeting the climate challenge at the scale and speed necessary requires transforming the construction market through standardization, automation, and integration. It's an all-hands effort!

Our building decarbonization planning platform untangles the complications that delay multifamily retrofit and adaptation projects. We make it easier to make the right choices and to move quickly from wondering what to do, all the way to closing out construction.

Project Funders

Develop targeted pipelines to deploy financial resources impactfully across a market or lending portfolio

Real Estate Owners

Make retrofit decisions faster and with greater confidence by bringing transparency and optionality to retrofit scopes of work without an onsite audit


Source ready customers, reduce project risks, and get the support needed to adopt new technology

Government and Third Sector

Better evaluate city-scale GHG reduction opportunities & enable market transformation

Our Team

All for One

Founded by building energy geeks, our team has a collective 65 years of climate-sector experience and 100+ years of tech-sector experience. Whether it's LEED version 0 or IE 2 (RIP), we've seen it all!

Contact Us

Need Momentum?

In New York City and ready to start your next project with us? That's great! Send us an email!

We're currently serving New York City, but we're hoping to come to your town or city soon! Sign up to be notified when we're headed your way.