Best Energy Efficiency Tech Companies in New York, United States
The 178 best Energy Efficiency Tech companies in New York, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: BlocPower.
Our analysis of 50 Energy Efficiency Tech companies
$7.8b in tracked funding; 86% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Energy Efficiency Tech companies in New York
| # | Company | Disclosed funding | Last round | Employees | Founded | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | BlocPower Provider of project management solutions | $250M | 33 mo ago | 154 | 2012 | — | — | — | — |
| 2 | Sealed Provider of energy audit for homes and commercial buildings | $107M | 27 mo ago | 138 | 2012 | Benjamin Lee Co-Founder | WordPressApple iCloud MailGoogle Workspace+37 | — | — |
| 3 | CleanFiber Provider of cellulose insulation solutions for facilities 53Funding top 19%Moat top 21%Innovation top 23%Patents top 23% All 9 signals ▾Fundingtop 19% Moattop 21% Innovationtop 23% Patentstop 23% Talenttop 41% Globalbottom 43% Marketbottom 37% Techbottom 31% Newsbottom 22% Funding: Raised $71.1M across 23 rounds · 23 rounds over 10 yrs (2.3/yr) Moat: Editorial + unicorn rating 8/10 · IP moat: 44 patents rank vs industry peers · Fliar Intelligence Index 53/100 | $71M | 9 mo ago | 44 | 2013 | Jonathan Strimling Chairman & CEO | Squarespace CommerceSquarespaceStimulus+11 | 44 patents Fire‑retardant cellulose insulation and field‑installable skinned assembly technologies | — |
| 4 | Facilio Developer of facility management software for maintenance and energy operations | $43M | 51 mo ago | 137 137 → 248 (+81%) | 2017 | Rangasamy Krishnamoorthi Co-Founder & Chief Customer Officer | Node.jsSalesforceElement UI+35 | 3 patents Patents concentrated in computing, sensing & instrumentation | 1 launch |
| 5 | Runwise Provider of IoT-based heating control systems for enterprises 50Funding top 28%Talent top 28%Tech top 35%Moat top 39% All 10 signals ▾Fundingtop 28% Talenttop 28% Techtop 35% Moattop 39% Growthtop 45% Producttop 46% Marketbottom 41% Globalbottom 37% Newsbottom 18% Customersbottom 2% Funding: Raised $35.2M across 5 rounds · 5 rounds over 6 yrs (0.8/yr) Talent: 4 named leaders on record · 4 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 50/100 | $35M | 12 mo ago | 48 | 2010 | Michael Cook Co-Founder & Chief Growth Officer | TurbopackNode.jsSalesforce+28 | — | — |
| 6 | Kelvin Provider of radiator upgrade solutions for temperature control and energy savings | $34M | 37 mo ago | 27 | 2013 | Marshall Cox Founder & CEO | WordPressApple iCloud MailGoogle Workspace+24 | 41 patents Patents concentrated in construction | 2 internships |
| 7 | OLEDWorks Manufacturer of organic light-emitting diode lighting solutions for various applications 82Patents top 14%AI top 15%Funding top 28%Talent top 28% All 12 signals ▾Patentstop 14% AItop 15% Fundingtop 28% Talenttop 28% Innovationtop 30% Growthtop 31% Techtop 31% Moattop 32% Producttop 46% Globaltop 49% Marketbottom 44% Newsbottom 21% Patents: 94 patents matched (strict assignee match) · 58 filings since 2022 vs 27 in 2017-21 AI: Holds AI/ML patents (G06N-family CPC) rank vs industry peers · Fliar Intelligence Index 82/100 | $31M | 11 mo ago | 73 73 → 147 (+101%) | 2010 | David DeJoy Co-Founder & Chairman | WordPressApple iCloud MailMicrosoft 365+27 | 94 patents Advanced segmented and stacked OLED microdisplays with ESD protection and low-voltage silicon backplanes | 1 launch |
| 8 | Amperon Provider of energy forecasting and analytics solutions for grid reliability 60Funding top 28%Moat top 39%Product top 40%Tech top 41% All 11 signals ▾Fundingtop 28% Moattop 39% Producttop 40% Techtop 41% Growthtop 42% Innovationtop 43% AItop 45% Talentbottom 49% Globalbottom 45% Marketbottom 43% Newsbottom 32% Funding: Raised $30.0M across 4 rounds · 4 rounds over 8 yrs (0.5/yr) Moat: Editorial + unicorn rating 7/10 · 10 curated direct competitors tracked rank vs industry peers · Fliar Intelligence Index 60/100 | $30M | 5 mo ago | 55 | 2017 | Sean Kelly Co-Founder & CEO | WebflowWordPressApple iCloud Mail+29 | — | — |
| 9 | HT Materials Science Developer of a heat transfer fluid additive for improved HVAC system efficiency. 37Talent top 28%Funding top 32%Growth top 35%Moat top 39% All 8 signals ▾Talenttop 28% Fundingtop 32% Growthtop 35% Moattop 39% Partnerstop 45% Globalbottom 38% Marketbottom 30% Techbottom 20% Talent: 3 named leaders on record · 3 C-suite/founder profiles curated Funding: Raised $24.4M across 4 rounds · 4 rounds over 6 yrs (0.7/yr) rank vs industry peers · Fliar Intelligence Index 37/100 | $24M | 5 mo ago | 26 | 2018 | Rudy Holesek Co-Founder & Sr. VP of Business Development and Applications | WordPressMySQLPHP+13 | — | 1 launch · 1 award |
| 10 | EVolution Networks Platform offering AI-based data centre energy management software | $22M | 133 mo ago | 17 | 2011 | — | — | — | — |
| 11 | Enertiv Provider of operational intelligence platform for commercial real estate management | $18M | 49 mo ago | 18 | 2011 | — | WebflowApple iCloud MailZoho+28 | 3 patents Visual fault detection and monitoring systems for industrial equipment | — |
| 12 | EnergyHub Developer of a distributed energy resource management system platform | $16M | 69 mo ago | 10 | 2007 | — | SentryTypeScriptGraphQL+19 | 53 patents Advanced demand response, load shaping, and thermal modeling for distributed energy resources | 1 internship · 1 partnership |
| 13 | Crystal IS Manufacturer of aluminum nitride UVC LEDs and related disinfection systems | $15M | 183 mo ago | 46 | 1997 | Glen Slack Founder | WordPressMySQLPHP+26 | 232 patents Deep‑UV AlN crystal optics and UV‑based fluid/air disinfection technologies | — |
| 14 | Thing-It Provider of a cloud and AI-based end-to-end IoT platform | $13M | 54 mo ago | 50 | 2015 | Klaus Berberich Co-Founder | Squarespace CommerceCart FunctionalitySquarespace+26 | — | — |
| 15 | Trove SaaS-driven predictive data science, customer engagement analytics, load forecasting | $13M | 125 mo ago | 22 | 2010 | — | — | — | — |
| 16 | Keen Home Develops a connected air vent system that allows residents to create various temperature zones within a home | $13M | 105 mo ago | 8 | 2013 | — | Cart FunctionalityShopifySentry+32 | — | — |
| 17 | Virtual Facility AI AI & SaaS-driven building energy management solution for buildings | $9M | 47 mo ago | 26 | 2017 | — | — | — | — |
| 18 | Okapi AI-based production management solution | $8M | 80 mo ago | 7 | 2017 | Iris Cedon Co-Founder & CEO | — | — | — |
| 19 | ThinkEco Provider of device-level energy management solutions for connected homes and offices | $7M | 149 mo ago | 11 | 2008 | Jeffrey Jagid CEO | — | 19 patents Smart energy management and plug‑load control systems for commercial building utilities | — |
| 20 | Uncharted SaaS-driven solution for last-mile connectivity in smart cities | $7M | 114 mo ago | 24 | 2011 | — | — | — | — |
| 21 | LinkBee Provider of connected smart bulbs for homes | $6M | 120 mo ago | 22 | 2015 | Chris Pavlovski Co-Founder | — | 3 patents Smart lighting networks with dynamic energy allocation, sensor integration, and bio-algorithm control. | — |
| 22 | 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 | 1 mo ago | — | 2024 | McGowan Southworth Co-Founder & President | — | — | — |
| 23 | Building Intelligence Cloud based dock and visitor management solutions | $5M | 43 mo ago | 43 | 2006 | Jeffrey Friedman Chief Executive Officer | WordPressMySQLPHP+28 | — | 1 partnership |
| 24 | Sidewalk Labs Provider of solutions for building energy management | $5M | 92 mo ago | — | 2015 | — | — | 58 patents AI-driven urban planning, occupancy sensing, and automated building layout generation. | — |
| 25 | Texture Tools to manage and analyze energy consumption | $5M | 30 mo ago | — | 1880 | Victor Quinn Co-Founder | — | — | — |
| 26 | Astro Developer of smart lights | $4M | 115 mo ago | 1 | 2014 | Shaun Springer Founder & CEO | — | — | — |
| 27 | powerx PowerX is a technology startup that creates a line of precision sensors that gather data about a home’s… | $4M | 60 mo ago | 19 | 2019 | — | WordPress Block EditorElementorWordPress+30 | — | — |
| 28 | PowerX Provider of energy management solutions for restaurants | $4M | 61 mo ago | — | 2019 | Manuel Schonfeld Founder & CEO | — | — | — |
| 29 | Prefix Provider of automated facilities management solutions for kitchens, offering automated tasks, reminders, and… 11Moat top 38%Funding top 41%Talent bottom 49%Patents bottom 41% All 7 signals ▾Moattop 38% Fundingtop 41% Talentbottom 49% Patentsbottom 41% Globalbottom 36% Innovationbottom 34% Marketbottom 18% Moat: Editorial + unicorn rating 4/10 · IP moat: 6 patents Funding: Raised $3.9M across 3 rounds · 3 rounds over 3 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 11/100 | $4M | 2 mo ago | 4 | 2022 | Jared Schwartzentruber Founder | — | 6 patents Automated vehicle and watercraft wash stations with cleaning and docking technologies | — |
| 30 | ProSentry Real-time monitoring platform for detecting and alerting critical issues and malfunctions in residential and… | $3M | 27 mo ago | — | 2020 | John Rusk Founder | WebflowApple iCloud MailjQuery+7 | — | 1 launch |
| 31 | Thrive Agritech Provider of LED grow lights for indoor agriculture | $3M | 98 mo ago | 4 | 2014 | Brian Bennett Founder & CEO | WordPressMySQLPHP+30 | — | — |
| 32 | Carson Visitor management solution 24Talent top 41%Moat top 48%Funding top 49%Tech bottom 45% All 9 signals ▾Talenttop 41% Moattop 48% Fundingtop 49% Techbottom 45% Newsbottom 45% Customersbottom 44% Productbottom 40% Globalbottom 37% Marketbottom 30% Talent: Analyst team rating 4/5 · 1 named leader on record Moat: Editorial + unicorn rating 5/10 · 10 curated direct competitors tracked rank vs industry peers · Fliar Intelligence Index 24/100 | $3M | 7 mo ago | 14 14 → 33 (+136%) | 2017 | Guy Blachman Founder & CEO | — | — | — |
| 33 | MicroGen Systems Online platform offering slot games with deposit options via e-wallet | $3M | 169 mo ago | 5 | 2010 | — | — | — | — |
| 34 | Hub Controls Energy management solutions for affordable, accessible, and efficient home energy use | $3M | 96 mo ago | 19 | 2014 | Oliver Hynes Founder & CEO | — | — | — |
| 35 | Performance Systems Development Software solutions provider for energy efficiency | $2M | 71 mo ago | 64 | 1998 | Greg Thomas Founder | Cart FunctionalityWordPressPlesk+26 | — | — |
| 36 | Specified Air Solutions Manufacturer of semi-custom commercial and industrial HVAC equipment | $2M | 103 mo ago | 31 | 1929 | — | — | — | — |
| 37 | LogCheck SaaS-driven building maintenance solution for facility managers | $2M | 129 mo ago | 150 | 2012 | — | — | — | — |
| 38 | Maalka Developer of an open-source platform for benchmarking energy reduction goals | $2M | 71 mo ago | 7 | 2014 | Clay Teeter Founder | — | — | — |
| 39 | StringBean Technologies Online workflow management tool | $2M | 62 mo ago | 9 | 2015 | Reuben Levine CEO | TypeScriptGoJSGoogle Maps+21 | — | 1 launch |
| 40 | Intelen Building Energy Analytics and Engagement | $2M | 113 mo ago | 15 | 2011 | Vassilis Nikolopoulos Co-founder | PHPNginxAmazon Web Services+4 | 3 patents Interactive software platforms for environmental resource‑saving activities | — |
| 41 | ThermoAI Provider of smart combustion monitoring solutions for utilities | $1M | 68 mo ago | 3 | 2017 | Aiden Livingston Co-Founder | — | — | — |
| 42 | Ener.co AC efficiency solutions improving cooling capacity, reducing energy consumption and carbon emissions | $1M | 179 mo ago | 18 | 2009 | Patrick Rathje Founder & President | — | — | — |
| 43 | ReVert Provider of smart plugs and AI for energy management solutions | $1M | 27 mo ago | 7 | 2020 | Ryan Li Co-Founder & CEO | — | 4 patents Optimizing secure data sanitization of storage media with audit‑trail protection. | — |
| 44 | Waltz Smartphone-based access control solution | $1M | 122 mo ago | — | 2015 | Matt Kopel Ex-Founder | — | 4 patents Image coding for interactive visual communication platforms | — |
| 45 | NOX Energy Platform that connects the energy market with manufacturers of renewable energy assets | $1M | 18 mo ago | — | 2024 | Axelle Moortgat Co-Founder & CEO | RechartsRadix UIReact+7 | — | 3 launchs · 1 partnership |
| 46 | ThinkEco Energy monitoring software solution provider | $750K | 149 mo ago | — | 2008 | Jun Shimada Founder & CEO | — | 19 patents Building energy monitoring, utility usage analytics, and plug‑load control systems | — |
| 47 | Equip ID Provides equipment database and content delivery platform | $700K | 85 mo ago | 6 | 2016 | — | — | — | — |
| 48 | WexEnergy Provider of energy efficient solutions for windows | $510K | 70 mo ago | 4 | 2014 | Ronald Wexler Founder & CTO | — | 33 patents Supplemental frameless windows and insulation systems for building fenestration. | — |
| 49 | Orenda Provider of solutions for the energy storage network | $499K | 42 mo ago | 7 | 2021 | Bill Grinstead Co-Founder & CEO | — | — | — |
| 50 | B-Line A Platform offering building management solutions for businesses | $225K | 31 mo ago | 24 | 2016 | Aaron Short Founder & CEO | — | 67 patents Commercial refrigeration systems with advanced ice control and redundant wireless sensor networks | — |
Top 12 Energy Efficiency Tech companies in New York
#1
Series B · New York City, New York · founded 2017 · 55 employees$30Mraised▾
Provider of energy forecasting and analytics solutions for grid reliability. The company delivers short-term and long-term forecasts, using machine learning methodology. It offers forecasts for weather events, market fluctuations, and customer contract requirements. The company provides tools for power markets trading, demand management, and asset optimization.
- Jan 2026Series B—
- Jul 2025Series B—
- Mar 2025Series B—
- Oct 2023Series B$20M
#2
Series C · Buffalo, New York · founded 2013 · 44 employees$71.1Mraised▾
Provider of cellulose insulation solutions for facilities. It is provided in the form of recycled cardboard. Its features include a proprietary wet separation and infusion process that floats off contaminants, abundant raw material for the production of insulating material, and an all-borate formulation used to make it fire-safe insulation.
- Sep 2025Series C$6.5M
- Sep 2025Series C$34M
- Jul 2024Grant (prize money)$199.8K
- Mar 2024Series B$28.2M
#3
Series A · New York City, New York · founded 2018 · 26 employees$24.4Mraised▾
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- Jan 2026Series A$2.7M
- Mar 2023Series A$16.1M
- Aug 2021Series A$5.9M
- Aug 2020Seed$2.4M
#4
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
#5
Seed · New York City, New York · founded 2022 · 4 employees$3.9Mraised▾
Provider of automated facilities management solutions for kitchens, offering automated tasks, reminders, and data entry. It is a facilities management company that specializes in kitchen management. Their platform automates tasks, reminders, and data entry to manage work for kitchen owners.
- Apr 2026Seed$7.5M
- Oct 2024Seed$2.5M
- Aug 2023Seed$1.4M
#6
Series A · Rochester, New York · founded 2010 · 73 employees$30.6Mraised▾
Manufacturer of organic light-emitting diode lighting solutions for various applications. The company provides products for automotive, microdisplay, and embedded lighting. It offers standard and custom products. The company focuses on energy-efficient lighting solutions. It also emphasizes responsible mineral sourcing in its supply chain.
- Jun 2025Venture Debt$34.8M
- Feb 2025Series A—
- Jun 2021Grant (prize money)$200K
- Jan 2019Series A$12.8M
#7
Series B · New York City, New York · founded 2010 · 48 employees$35.2Mraised▾
Provider of IoT-based heating control systems for enterprises. It is offering smart control systems for heating pumps, wireless sensor networks for environmental calibration and a data platform for real-time insights and remote management. Its features include brand independence, predictive maintenance insights, and plug and play operation.
- Jun 2025Venture Debt$25M
- Jun 2025Series B$30M
- Nov 2022Series A$19M
- Dec 2021Series A$11M
#8
Seed · New York City, New York · founded 2017 · 14 employees$3Mraised▾
Carson is a visitor management solution for residential properties. It enables users to receive guests, track delivery packages, provide 24/7 access to registered visitors, and more. The solution also enables tenants & managers to communicate, solve maintenance issues, archive documents, and more. Some of its clients include Benchmark, Douglas Elliman, Canvas Property Group, Centurion Realty, among others.
- Nov 2025Seed—
- Jan 2019Seed$3M
#9
Series B · New York City, New York · founded 2012 · 154 employees$250Mraised▾
Provider of project management solutions. The company offers a crowd-sourcing website to help market, finance, and install energy-efficient retrofits for small buildings. It also offers an energy audit of each property to determine the correct mix of high-efficiency technology that will reduce each customer's energy consumption.
- Aug 2023Grant (prize money)$1.2M
- Jan 2023Conventional Debt$130M
- Jan 2023Series B$24.4M
- Jan 2022Series B$30M
#10
Series B · New York City, New York · founded 2012 · 138 employees$106.5Mraised▾
Provider of an energy audit for homes and commercial buildings. The company replaces the customer energy bills with a single sealed energy bills. It helps contractors and households for weatherization and electrification project management.
- Mar 2024Series B$30M
- Apr 2023Series B$26.4M
- Jun 2021Series B$45.5M
- May 2018Series A$4.6M
#11
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
#12
Seed · New York City, New York · founded 2024$1Mraised▾
Platform that connects the energy market with manufacturers of renewable energy assets. It connects the energy market with manufacturers of renewable energy assets, facilitating the integration of clean energy sources and reducing emissions. The AI-enabled software manages at the device level, helping to balance the grid with precise control.
- Dec 2024Seed$1M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Energy Efficiency Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Energy Efficiency & Buildings is moving in the United States
A read on the academic research around Energy Efficiency & Buildings — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 2,722 United States-affiliated papers.
- Purdue University West Lafayette140
- Oak Ridge National Laboratory127
- National Laboratory of the Rockies80
- Georgia Institute of Technology53
- Electric Power Research Institute53
- Radiative cooling1→50
- Passive cooling7→42
- Emissivity1→26
- Renewable energy14→38
- Thermal6→27
- Radiative cooling10→39
- Renewable energy63→89
- Energy storage22→48
- Photovoltaic system35→53
- Thermal35→53
- Renewable energy7→17
- Electricity2→9
- Heat pump40→47
- Energy management14→18
- Microgrid2→6
Where energy efficiency 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 energy efficiency patents in the United States
United States energy efficiency patent filing is accelerating — 3,337 filings from 1,859 assignees (2016–2025), led by Carrier, Intel, Rheem MFG; annual filings 315→449.
- Carrier431
- Intel178
- Rheem MFG177
- General Electric172
- Johnson Controls TECH123
- Haier US Appliance Solutions108
- FORD Global TECH108
- Lennox IND79