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Carnot Labs, Inc.

Reservoir sells and installs electric water heaters for homeowners.

Updated Nov 9, 2026·Latest SEC filing Aug 13, 2026·Suggest an edit

About Reservoir

Reservoir is a private company based in Charlestown, Massachusetts, incorporated in 2023 in Delaware. It has reported $13,056,003 raised in two offerings on Form D since July 2026. Its chief executive is Luke Winston.

Funding Rounds (SEC Form D)

First saleFiled with SECAmount soldInvestorsAvg. checkTermsFiling
Jul 17, 2026Aug 13, 2026$8,105,000fully sold8$1.0MEquityRule 506(b)Form D ↗
Aug 30, 2024Jul 23, 2026$4,951,003fully sold32$154KEquityRule 506(b)Form D ↗
Total, two offerings$13,056,003

First sale is the date the first investor in the offering committed to invest. Companies must file Form D within 15 days of that date, so filing dates run later.

Leadership Team

Executive officers and directors listed on Reservoir's Form D filed Aug 13, 2026.

LW
Luke Winston
Co-Founder, CEO and director
GA
Gabe Parisi-Amon
Co-Founder, CPO and director
AH

Sources

  1. SECCarnot Labs, Inc. filing history
  2. ResearchENERGY STAR water heater certification