Best Sustainability Tech Companies in Brooklyn, United States
The 57 best Sustainability Tech companies in Brooklyn, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Clipper Equity.
Our analysis of 84 Sustainability Tech companies
$19.4b in tracked funding; 85% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Sustainability Tech companies in Brooklyn
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Stage | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Clipper Equity Developer of affordable houses | $430M | 26 mo ago | 53 | — | WordPressMySQLPHP+17 | Funding Raised | — | — |
| 2 | Air Company Developer of carbon conversion technology and sustainable aviation fuel solutions | $108M | 16 mo ago | 86 86 → 151 (+76%) | Gregory Constantine Co-Founder & CEO | ContentfulNode.jsTailwind CSS+22 | Series B | 95 patents Patents concentrated in chemistry & materials | 1 launch · 3 expansions · 1 award |
| 3 | David Energy Provider of distributed energy management systems | $49M | 26 mo ago | 50 | — | WebflowVimeoSwiper+26 | Series B | — | — |
| 4 | Kelvin Provider of radiator upgrade solutions for temperature control and energy savings | $34M | 37 mo ago | 27 | Marshall Cox Founder & CEO | WordPressApple iCloud MailGoogle Workspace+24 | Series A | 41 patents Patents concentrated in construction | 2 internships |
| 5 | EnergyHub Developer of a distributed energy resource management system platform | $16M | 70 mo ago | 10 | — | SentryTypeScriptGraphQL+19 | Acquired | 53 patents Advanced demand response, load shaping, and thermal modeling for distributed energy resources | 1 internship · 1 partnership |
| 6 | Thing-It Provider of a cloud and AI-based end-to-end IoT platform | $13M | 55 mo ago | 50 | Klaus Berberich Co-Founder | Squarespace CommerceCart FunctionalitySquarespace+26 | Acquired | — | — |
| 7 | Paces Platform for evaluating sites for renewable project development | $13M | 23 mo ago | 10 | James Mcwalter CEO & Co-Founder | WebflowAmazon Web Servicescore-js+22 | Series A | — | — |
| 8 | BioLite Outdoor and off-grid charging, cooking, and lighting solutions provider | $12M | 16 mo ago | 133 | Jonathan Cedar Co-Founder & CEO | ShopifyYouTubeTailwind CSS+17 | Series B | 42 patents Portable clean-burning combustion devices for cooking, heating, and illumination | — |
| 9 | TomTex Biodegradable textiles made from waste 24Patents top 37%Talent top 38%Innovation top 41%Moat top 45% All 7 signals ▾Patentstop 37% Talenttop 38% Innovationtop 41% Moattop 45% Fundingtop 47% Globalbottom 44% Marketbottom 16% Patents: 9 patents matched (strict assignee match) · 9 filings since 2022 vs 0 in 2017-21 Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 24/100 | $6M | 31 mo ago | 1 | Uyen Tran Co-Founder & CEO | — | Seed | 9 patents Synthetic leather production and water‑resistant textile coating technologies | — |
| 10 | DaisyChain Provider of an AI-enabled software platform for energy management and electrification 60Talent top 35%Funding top 40%Global bottom 25% All 3 signals ▾Talenttop 35% Fundingtop 40% Globalbottom 25% Talent: 4 named leaders on record Funding: Raised $6.0M across 2 rounds · 2 rounds over 1 yrs (2.0/yr) rank vs industry peers · Fliar Intelligence Index 60/100 | $6M | 2 mo ago | — | McGowan Southworth Co-Founder & President | — | Series A | — | — |
| 11 | Industrial Organic Connecting adults for casual encounters, hookups, and exploring sexuality | $6M | 90 mo ago | — | Brett Van Aalsburg Co-Founder & CTO | — | Deadpooled | — | — |
| 12 | Crew Carbon Developer of a platform removing greenhouse gas emissions from wastewater | $5M | 2 mo ago | 5 | Joachim Katchinoff Co-Founder & CEO | — | Series A | — | 1 job opening · 1 internship |
| 13 | powerx PowerX is a technology startup that creates a line of precision sensors that gather data about a home’s… | $4M | 61 mo ago | 19 | — | WordPress Block EditorElementorWordPress+30 | Seed | — | — |
| 14 | PowerX Provider of energy management solutions for restaurants | $4M | 62 mo ago | — | Manuel Schonfeld Founder & CEO | — | Seed | — | — |
| 15 | Aō Air Provider of smart mask with air purification solution | $2M | 68 mo ago | 7 | — | — | Seed | 95 patents Catalytic conversion technologies for renewable fuels and carbon‑based chemicals production | — |
| 16 | Maalka Developer of an open-source platform for benchmarking energy reduction goals | $2M | 72 mo ago | 7 | Clay Teeter Founder | — | Seed | — | — |
| 17 | Intelen Building Energy Analytics and Engagement | $2M | 114 mo ago | 15 | Vassilis Nikolopoulos Co-founder | PHPNginxAmazon Web Services+4 | Seed | 3 patents Interactive software platforms for environmental resource‑saving activities | — |
| 18 | Pliant Energy Systems Developer of wave energy converters that uses the ribbon pump concept | $1M | 84 mo ago | 10 10 → 10 (+0%) | Benjamin Filardo Founder & CEO | Cart FunctionalitySquarespace CommerceSquarespace+12 | Funding Raised | — | — |
| 19 | Orenda Provider of solutions for the energy storage network | $499K | 43 mo ago | 7 | Bill Grinstead Co-Founder & CEO | — | Seed | — | — |
| 20 | Calder Biosciences Developer of influenza vaccines | $275K | 34 mo ago | 7 | Christopher P Marshall Founder & CEO | — | Seed | 43 patents Stabilized RSV pre‑fusion F protein antigens for pediatric vaccine development | — |
| 21 | Vycarb Technology solution for carbon removal | $150K | 9 mo ago | 2 | Garrett Boudinot Founder & CEO | — | Seed | 11 patents Carbon dioxide capture, monitoring, and verification in aqueous/industrial water systems. | 1 launch · 1 award |
| 22 | CarbonPilot Platform for accelerating biochar project development | $150K | 30 mo ago | — | John Bogil Co-Founder | Framer SitesReactCloudflare+9 | Seed | — | — |
| 23 | MIMiC Systems Company that specializes in designing solid-state heating and cooling systems at a building scale | $150K | 46 mo ago | — | Berardo Matalucci Co-Founder & CEO | — | Seed | — | — |
| 24 | Cedar Carbon Provider of carbon capture solutions | $100K | 45 mo ago | 2 | Ryan McIntosh Founder & CEO | — | Seed | — | — |
Top 12 Sustainability Tech companies in Brooklyn
#1
Series A · Brooklyn, New York · founded 2022 · 5 employees$5.3Mraised▾
Developer of a platform removing greenhouse gas emissions from wastewater. It provides users with a company focused on removing greenhouse gas emissions by utilizing enhanced weathering technology to store CO2 permanently. Their platform uses natural weathering to treat wastewater and remove carbon dioxide from municipal and industrial systems.
- May 2026Grant (prize money)$6M
- May 2026Series A$19M
- Oct 2024Seed$5.3M
#2
Series A · Brooklyn, New York · founded 2024$6Mraised▾
Provider of an AI-enabled software platform for energy management and electrification. The platform manages electric load, monitors usage, optimizes load profiles, and controls devices. It integrates electrification upgrades like submetering, EV chargers, solar, and batteries. The platform creates cash flows and savings through optimized operation and demand response participation.
- May 2026Series A$5.3M
- Sep 2025Seed$650K
#3
Series B · Brooklyn, New York · founded 2017 · 86 employees$107.9Mraised▾
Developer of carbon conversion technology and sustainable aviation fuel solutions. The company focuses on converting carbon dioxide into usable products, including fully-formulated jet fuel. It researches and develops technologies for government, defense, and space applications. The company explores the use of its technology beyond Earth.
- Mar 2025Grant (prize money)$1.5M
- Sep 2024Series B$69M
- Mar 2022Series A$30.4M
- May 2021Grant (prize money)$256K
#4
Funding Raised · Brooklyn, New York · founded 2006 · 53 employees$430Mraised▾
Developer of affordable houses
- May 2024Conventional Debt$430M
#5
Series B · Brooklyn, New York · founded 2009 · 133 employees$12.2Mraised▾
Outdoor and off-grid charging, cooking, and lighting solutions provider, offering a range of innovative products for outdoor enthusiasts and those seeking off-grid power solutions. The company provides power banks, power stations, solar generators, solar panels, chargers, and cables to keep devices charged in any environment. Lighting solutions include headlamps, rechargeable lanterns, area lights, and solar string lights, catering to various lighting needs. For cooking and cooling, they offer camp stoves, electric coolers, fire pits, and rocket stoves. The company focuses on sustainability and social impact, aiming to provide energy access to communities in need. They offer a variety of products for camping, preparedness, and backyard fun. The company also provides product support, troubleshooting, and warranty services. They have a rewards program and affiliate program.
- Feb 2025Series B$4M
- Jun 2024Series B$400K
- Nov 2022Conventional Debt$5.3M
- Jul 2020Series B$5M
#6
Series B · Brooklyn, New York · founded 2016 · 50 employees$49.1Mraised▾
Provider of distributed energy management systems. It provides software Mycor - that helps in the management of the building's energy efficiency and consumption. Feature offerings include utility billings, cost energy supply contracts, local law compliance, demand response programs, and more. It offers solutions such as portfolio level analysis, demand-side management, distributed energy resources & microgrid management, and more.
- Apr 2024Series B$23M
- Mar 2022Series A$20.5M
- Feb 2021Seed$4.1M
- Feb 2021Conventional Debt$15M
#7
Series A · Brooklyn, New York · founded 2022 · 10 employees$12.9Mraised▾
Platform for evaluating sites for renewable project development. It uses modeling and data points to help developers make decision related to renewable projects. It also provides analyzing solutions.
- Jul 2024Series A$11M
- Jun 2022Seed$1.9M
#8
Series A · Brooklyn, New York · founded 2013 · 27 employees$34.3Mraised▾
Provider of radiator upgrade solutions for temperature control and energy savings. It offers products that integrate with existing building systems. The company provides radiator covers and adaptive electrification platforms. These products aim to reduce heating and cooling costs. The company also offers energy savings analysis and equipment installation services.
- May 2023Series A$30M
- Nov 2020Grant (prize money)—
- Aug 2019Seed$1.1M
- Apr 2017Grant (prize money)$1.4M
#9
Seed · Brooklyn, New York · founded 2022 · 2 employees$150Kraised▾
Technology solution for carbon removal. The drop-in water treatment systems measure water’s carbon cycle, detecting excess CO2, and dosing that water with quantities of alkalinity. This converts CO2 into alternate forms of carbon which stays in the ocean.
- Oct 2025Seed$5M
- Sep 2023Seed$150K
#10
Seed · Brooklyn, New York · founded 2020 · 1 employees$6.1Mraised▾
Biodegradable textiles made from waste. It develops sustainable, naturally biodegradable textiles that mimic the properties of various fabrics, leveraging seafood shells and mushroom waste as raw materials.
- Nov 2023Seed$2.2M
- Apr 2022Seed$1.7M
- Oct 2021Seed$250K
#11
Acquired · Brooklyn, New York · founded 2007 · 10 employees$15.9Mraised▾
Developer of a distributed energy resource management system platform. The platform facilitates virtual power plant construction and management, along with customer engagement. It offers cross-distributed energy resource orchestration, utility integrations, and support for various program types. Integrated services encompass program design, management, marketing, and partner management within a partner ecosystem.
- Sep 2020Grant (prize money)$150K
- Jul 2017Grant (prize money)$225K
- Dec 2012Series B$500K
- Aug 2011Series B$15.4M
#12
Acquired · Brooklyn, New York · founded 2015 · 50 employees$13.1Mraised▾
Provider of a cloud and AI-based end-to-end IoT platform. It allows the user to configure a business solution without technical know-how and publish it to interacting networks of multiple devices. The platform also interfaces with multiple sensors for processing the collected data thereby allowing users to gain actionable insights into issues in a physical environment that impacts the business, in real-time. Additionally, it can interface with third-party applications including computer-aided facilities management, enterprise resource planning, and payment systems.
- Dec 2021Series B$8.5M
- Nov 2019Series A$4.6M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Sustainability Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Climate Adaptation is moving in the United States
A read on the academic research around Climate Adaptation — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 1,953 United States-affiliated papers.
- Columbia University52
- University of North Carolina at Chapel Hill43
- Arizona State University42
- Texas A&M University42
- Purdue University West Lafayette35
- Flood myth4→56
- Climate change6→47
- Flooding (psychology)2→23
- Climate resilience1→16
- Flood mitigation2→14
- Flood myth50→178
- Climate change35→155
- Flooding (psychology)18→97
- Resilience (materials science)10→84
- Psychological resilience12→55
- Climate change71→449
- Resilience (materials science)17→139
- Flood myth36→158
- Psychological resilience13→115
- Climate resilience14→92
Where climate adaptation is researched across United States
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Who's filing climate adaptation patents in the United States
United States climate adaptation patent filing is cooling — 28 filings from 19 assignees (2016–2025), led by ILC Dover, Garcia Rogerio, Serralta Denset; annual filings 6→1.
- ILC Dover20
- Garcia Rogerio4
- Serralta Denset4
- Zesty AI2
- Yodock GUY1
- Mckee TONY RAY1
- Ballard Tristan1
- Cooper Matthew1
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.