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257
257 is a residential energy data platform. We build digital energy twins for every home in the US, and then enable use of these twins through analytics tools, APIs and marketing tools. Data will have…
257
257 is a residential energy data platform. We build digital energy twins for every home in the US, and then enable use of these twins through analytics tools, APIs and marketing tools. Data will have…
TL;DR
What they do: Residential energy data platform that builds digital energy twins for U.S. homes
Founded: 2023
Headquarters: New York City, United States
Founders / leadership: Scott Rosenberg (CEO) and Tal Chalozin (CTO)
Latest funding: Seed — ~$9.2M (Mar 2025)
Company Overview
Problem Domain
Residential electrification and home energy data
Founded
2023
Industry
Energy / CleanTech
Funding Track Record
$9,200,000
Seed round with participation from angels and VC investors including Jeff Hammerbacher and others.
Investor Signal
“Backed by F2 Venture Capital and angel investors including Jeff Hammerbacher”
Founders
What we do
Join the Team
Startup jobs. A lot of them.
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