Radar · Energy Efficiency Tech in New York City
Best Energy Efficiency Tech Companies in New York City, United States
The 79 best Energy Efficiency Tech companies in New York City, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: BlocPower.
By Rohit KhannaTrends & Stories
79companies tracked
$612.7Mdisclosed funding
0unicorns
33have raised
FLIAR INTELLIGENCE · ENERGY EFFICIENCY TECH × NEW YORK CITY
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.
50companies analysed
86%cloud-native stacks
2025funding peak (by rounds)
4unicorns
2014median founding year
92kcombined LinkedIn audience
58%of audience held by top 3
2companies hiring publicly (12 mo)
Ranked: Best Energy Efficiency Tech companies in New York City
| # | 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 | Facilio Developer of facility management software for maintenance and energy operations | $43M | 52 mo ago | 137 137 → 248 (+81%) | 2017 | Rangasamy Krishnamoorthi Co-Founder & Chief Customer Officer | Node.jsSalesforceElement UI+35 | 4 patents Patents concentrated in computing, sensing & instrumentation | 1 launch |
| 4 | 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 | — | — |
| 5 | 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 | — | — |
| 6 | 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 award |
| 7 | EVolution Networks Platform offering AI-based data centre energy management software | $22M | 133 mo ago | 17 | 2011 | — | — | — | — |
| 8 | 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 | — |
| 9 | 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 | — | — |
| 10 | Okapi AI-based production management solution | $8M | 80 mo ago | 7 | 2017 | Iris Cedon Co-Founder & CEO | — | — | — |
| 11 | 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 | — |
| 12 | Uncharted SaaS-driven solution for last-mile connectivity in smart cities | $7M | 114 mo ago | 24 | 2011 | — | — | — | — |
| 13 | 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. | — |
| 14 | Building Intelligence Cloud based dock and visitor management solutions | $5M | 43 mo ago | 43 | 2006 | Jeffrey Friedman Chief Executive Officer | WordPressMySQLPHP+28 | — | 1 partnership |
| 15 | 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. | — |
| 16 | Texture Tools to manage and analyze energy consumption | $5M | 30 mo ago | — | 1880 | Victor Quinn Co-Founder | — | — | — |
| 17 | Astro Developer of smart lights | $4M | 115 mo ago | 1 | 2014 | Shaun Springer Founder & CEO | — | — | — |
| 18 | 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 washing stations and linear motion mechanisms | — |
| 19 | 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 | — | — |
| 20 | Thrive Agritech Provider of LED grow lights for indoor agriculture | $3M | 99 mo ago | 4 | 2014 | Brian Bennett Founder & CEO | WordPressMySQLPHP+30 | — | — |
| 21 | 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 | — | — | — |
| 22 | LogCheck SaaS-driven building maintenance solution for facility managers | $2M | 130 mo ago | 150 | 2012 | — | — | — | — |
| 23 | ThermoAI Provider of smart combustion monitoring solutions for utilities | $1M | 68 mo ago | 3 | 2017 | Aiden Livingston Co-Founder | — | — | — |
| 24 | Ener.co AC efficiency solutions improving cooling capacity, reducing energy consumption and carbon emissions | $1M | 179 mo ago | 18 | 2009 | Patrick Rathje Founder & President | — | — | — |
| 25 | Waltz Smartphone-based access control solution | $1M | 122 mo ago | — | 2015 | Matt Kopel Ex-Founder | — | 4 patents Image coding for interactive visual communication platforms | — |
| 26 | 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 |
| 27 | 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 | — |
| 28 | Equip ID Provides equipment database and content delivery platform | $700K | 85 mo ago | 6 | 2016 | — | — | — | — |
| 29 | OBX Computing Provider of cloud-driven control solutions for lighting systems | $225K | 132 mo ago | 3 | 2013 | Ara Bederjikian Founder & CEO | — | 4 patents Networked LED lighting devices and remote control/communication systems | — |
| 30 | B-Line A Platform offering building management solutions for businesses | $225K | 32 mo ago | 24 | 2016 | Aaron Short Founder & CEO | — | 67 patents Commercial refrigeration systems with advanced ice control and redundant wireless sensor networks | — |
| 31 | Enthalpic Capital Industrial energy resource recovery technology and finance company | $200K | 138 mo ago | 2 | 2014 | — | — | — | — |
| 32 | Envairo Provider of occupancy-based climate control and ventilation for commercial spaces | $150K | 111 mo ago | 33 | 2016 | Gabriel Peschiera President & CEO | — | — | — |
Top 12 Energy Efficiency Tech companies in New York City
#1
Series B · New York City, New York · founded 2017 · 55 employees$30Mraised▾
Series B · New York City, New York · founded 2017 · 55 employees
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.
Fliar Intelligence Index™ 60how this company ranks against its industry peers
Funding
top 28%Moat
top 39%Product
top 40%Tech
top 41%Growth
top 42%Innovation
top 43%Funding: Raised $30.0M across 4 rounds · 4 rounds over 8 yrs (0.5/yr) · Last round Series B (Jan 2026)
Moat: Editorial + unicorn rating 7/10 · 10 curated direct competitors tracked
Product: 2 distinct product lines · Company stage: Series B
Audience (LinkedIn): 11k LinkedIn followers — 12.4% of this cohort's audience
Funding rounds
- Jan 2026Series B—
- Jul 2025Series B—
- Mar 2025Series B—
- Oct 2023Series B$20M
Founders & team
Investors
Blackhorn Ventures, Intelis Capital, V1.VC, Climate Capital, Notation, Lattice Ventures
Tech stack
6SenseApple Icloud MailCdnjsCloudflareCloudflare Bot ManagementCore-Js
#2
Series A · New York City, New York · founded 2018 · 26 employees$24.4Mraised▾
Series A · New York City, New York · founded 2018 · 26 employees
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Fliar Intelligence Index™ 37how this company ranks against its industry peers
Talent
top 28%Funding
top 32%Growth
top 35%Moat
top 39%Partners
top 45%Global
bottom 38%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) · Last round Series A (Jan 2026)
Growth: Fresh capital in last 24 mo
Audience (LinkedIn): 2k LinkedIn followers
Activity (LinkedIn): 1 product launches · 2 awards announced in 12 mo
Funding rounds
- Jan 2026Series A$2.7M
- Mar 2023Series A$16.1M
- Aug 2021Series A$5.9M
- Aug 2020Seed$2.4M
Founders & team
Investors
Aramco Ventures, Progress Tech Transfer, CDP Venture Capital, Barclays, Corporate Partners, Enterprise Ireland
Tech stack
Adobe Experience Platform LaunchApache Http ServerGodaddyGoogle Font ApiGsapIsotope
#3
Seed · New York City, New York · founded 2022 · 4 employees$3.9Mraised▾
Seed · New York City, New York · founded 2022 · 4 employees
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.
Fliar Intelligence Index™ 11how this company ranks against its industry peers
Moat
top 38%Funding
top 41%Talent
bottom 49%Patents
bottom 41%Global
bottom 36%Innovation
bottom 34%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) · Last round Seed (Apr 2026)
Talent: 1 named leader on record · 1 C-suite/founder profile curated
Audience (LinkedIn): 1k LinkedIn followers
Funding rounds
- Apr 2026Seed$7.5M
- Oct 2024Seed$2.5M
- Aug 2023Seed$1.4M
Founders & team
Investors
Collide, Slow Ventures, Connexa Capital, Elevated Huts, I2BF Global Ventures, Bienville Capital
#4
Series B · New York City, New York · founded 2010 · 48 employees$35.2Mraised▾
Series B · New York City, New York · founded 2010 · 48 employees
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.
Fliar Intelligence Index™ 50how this company ranks against its industry peers
Funding
top 28%Talent
top 28%Tech
top 35%Moat
top 39%Growth
top 45%Product
top 46%Funding: Raised $35.2M across 5 rounds · 5 rounds over 6 yrs (0.8/yr) · Last round Series B (Jun 2025)
Talent: 4 named leaders on record · 4 C-suite/founder profiles curated
Tech: 34 technologies across 4/8 capability areas · Cloud: Amazon Web Services, Cloudflare · Security: Cloudflare Bot Management, Hsts
Audience (LinkedIn): 8k LinkedIn followers — 8.9% of this cohort's audience
Funding rounds
- Jun 2025Venture Debt$25M
- Jun 2025Series B$30M
- Nov 2022Series A$19M
- Dec 2021Series A$11M
Founders & team
Investors
Climate Capital, Fifth Wall, Rudin, Soja Ventures, Derive Ventures, Silence
Tech stack
Amazon Web ServicesCloudflareCloudflare Bot ManagementCore-JsFacebook PixelFont Awesome
#5
Seed · New York City, New York · founded 2017 · 14 employees$3Mraised▾
Seed · New York City, New York · founded 2017 · 14 employees
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.
Fliar Intelligence Index™ 24how this company ranks against its industry peers
Talent
top 41%Moat
top 48%Funding
top 49%Tech
bottom 45%News
bottom 45%Customers
bottom 44%Talent: Analyst team rating 4/5 · 1 named leader on record · 1 C-suite/founder profile curated
Moat: Editorial + unicorn rating 5/10 · 10 curated direct competitors tracked
Funding: Raised $3.0M across 1 rounds · 1 rounds over 7 yrs (0.1/yr) · Last round Seed (Nov 2025)
Audience (LinkedIn): 2k LinkedIn followers — 2.1% of this cohort's audience
Hiring (LinkedIn): 1 hiring post in 12 mo (public) · hiring: Director of Engineering
Funding rounds
- Nov 2025Seed—
- Jan 2019Seed$3M
Founders & team
Investors
BuildingLink, LoneTree Capital, iAngels, SIB Investment Group
Tech stack
WixReactGoogle AdsPolyfillLodashLinkedin Insight Tag
#6
Series B · New York City, New York · founded 2012 · 154 employees$250Mraised▾
Series B · New York City, New York · founded 2012 · 154 employees
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.
Funding rounds
- Aug 2023Grant (prize money)$1.2M
- Jan 2023Conventional Debt$130M
- Jan 2023Series B$24.4M
- Jan 2022Series B$30M
Investors
Masscec, Google for Startups, MetaProp NYC, Good Company Ventures, Goldman Sachs, VoLo Earth Ventures
Tech stack
Node.JsReactNext.JsVercelGoogle Tag ManagerHsts
#7
Series B · New York City, New York · founded 2012 · 138 employees$106.5Mraised▾
Series B · New York City, New York · founded 2012 · 138 employees
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.
LinkedIn Pulse recent public activity · Jul 2026
Audience: 8k LinkedIn followers — 8.7% of this cohort's audience
Hiring: 1 hiring post in 12 mo (public) · hiring: Program Strategy Manager
Funding rounds
- Mar 2024Series B$30M
- Apr 2023Series B$26.4M
- Jun 2021Series B$45.5M
- May 2018Series A$4.6M
Founders & team
Investors
Keyframe, Cyrus Capital Partners, Fifth Wall, CityRock Venture Partners, FootPrint Coalition, MUUS Climate Partners
Tech stack
AdrollApple Icloud MailBluehostCdnjsCloudflareCloudflare Bot Management
#8
Seed · New York City, New York · founded 2024$1Mraised▾
Seed · New York City, New York · founded 2024
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.
LinkedIn Pulse recent public activity · Jul 2026
Audience: 4k LinkedIn followers — 4.7% of this cohort's audience
Activity: 3 product launches · 1 partnerships (incl. Frank Energie) announced in 12 mo
Funding rounds
- Dec 2024Seed$1M
Founders & team
Investors
Volve, Seeder Fund
Tech stack
Google AnalyticsGoogle Font ApiGoogle WorkspaceHstsNext.JsNode.Js
#9
Series B · New York City, New York · founded 2017 · 137 employees$42.9Mraised▾
Series B · New York City, New York · founded 2017 · 137 employees
Developer of facility management software for maintenance and energy operations. This platform integrates building systems, asset management, and service requests into a centralized interface. It provides tools for preventive maintenance scheduling, work order tracking, and vendor management. The software includes modules for energy monitoring, benchmarking, and refrigeration compliance. Automated workflows assist in routing service requests and managing inspections across building portfolios. The system utilizes artificial intelligence agents to process data, verify invoices, and support operational decision-making.
LinkedIn Pulse recent public activity · Jul 2026
Audience: 34k LinkedIn followers — 37.1% of this cohort's audience
Activity: 1 product launches announced in 12 mo
Funding rounds
- Feb 2022Series B$35M
- Dec 2018Series A$6.4M
- Mar 2018Seed$1.5M
Founders & team
Investors
Accel, Tiger Global Management, Dragoneer Investment Group, Brookfield Asset Management
Tech stack
Amazon AlbAmazon CloudfrontAmazon S3Amazon Web ServicesApple Sign-InAws Certificate Manager
#10
Series A · New York City, New York · founded 2011 · 18 employees$18.4Mraised▾
Series A · New York City, New York · founded 2011 · 18 employees
Provider of operational intelligence platform for commercial real estate management. The platform offers utility data collection, tenant billing automation, and maintenance management. It also facilitates carbon planning and equipment monitoring. The platform integrates with existing tools to provide solutions for industrial, retail, multifamily, and office properties.
LinkedIn Pulse recent public activity · Jul 2026
Audience: 5k LinkedIn followers — 5.8% of this cohort's audience
Funding rounds
- May 2022Series A$9.2M
- Nov 2020Grant (prize money)—
- Jan 2018Seed$4.2M
- Oct 2017Seed$4.2M
Investors
R/GA Accelerator, Techstars, Vaidya Capital Partners, R/GA Ventures, Cerium Technology, Commonweal Ventures
Tech stack
AlbacrossAmazon S3Amazon SesAmazon Web ServicesApple Icloud MailCdnjs
#11
Series A · New York City, New York · founded 1880$5Mraised▾
Series A · New York City, New York · founded 1880
Tools to manage and analyze energy consumption
Founders & team
#12
Series A · New York City, New York · founded 2020$3.2Mraised▾
Series A · New York City, New York · founded 2020
A real-time monitoring platform for detecting and alerting critical issues and malfunctions in residential and commercial buildings. It is a comprehensive monitoring platform that detects and alerts users in real-time about critical issues and malfunctions in buildings. It offers services such as leak detection, gas detection, and smoke detection.
LinkedIn Pulse recent public activity · Jul 2026
Audience: 674 LinkedIn followers
Activity: 1 product launches announced in 12 mo
Funding rounds
- Mar 2024Series A$3.2M
Founders & team
Tech stack
Apple Icloud MailCloudflareGoogle AnalyticsHstsHttp/3Hubspot
Funding & investor landscape
$612.7Mtotal disclosed funding
33companies funded
87disclosed rounds
1rounds last 90 days
Most active investors
Techstars5 rounds
Notable founders
Sean Kelly
Co-Founder & CEO · Amperon
Rudy Holesek
Co-Founder & Sr. VP of Business Development and Applications · HT Materials Science
Arturo Risi
Co-Founder · HT Materials Science
Jared Schwartzentruber
Founder · Prefix
Michael Cook
Co-Founder & Chief Growth Officer · Runwise
Lee Hoffman
Co-Founder · Runwise
Guy Blachman
Founder & CEO · Carson
Benjamin Lee
Co-Founder · Sealed
Axelle Moortgat
Co-Founder & CEO · NOX Energy
Rangasamy Krishnamoorthi
Co-Founder & Chief Customer Officer · Facilio
Yogendrababu Venkatapathy
Co-Founder & CTO · Facilio
Victor Quinn
Co-Founder · Texture
Prism market signals · United States · country-scoped Prism corpus, 1,608,968 docs
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
RESEARCH SIGNALS · United States
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.
research sentiment over time
200820172026
enthusiastic · positive · guarded tone
Tone is overwhelmingly optimistic and intensifying — the enthusiastic (strongly-positive) share moved 29% → 55% across 2008–2026.
top research entities
- Purdue University West Lafayette140
- Oak Ridge National Laboratory127
- National Laboratory of the Rockies80
- Georgia Institute of Technology53
- Electric Power Research Institute53
leading researchers
Bo Shen · Xiaobing Liu · Mo–Yuen Chow · Peter L. Munk · Van Baxter · Osama A. Mohammed · Lingfeng Wang · USDOE Office of Energy Efficiency and Renewable Energy (EERE), Energy Efficiency Office. Building Technologies Office
▲
Breakthroughs565 · 21%
▲ 13%→26% share
▲2.0× share momentum2 median citations56% since 2021mostly methods-led
Breakthroughs are rising (13%→26% of field), led by Radiative cooling.
rising sub-themes (early→recent)
- Radiative cooling1→50
- Passive cooling7→42
- Emissivity1→26
- Renewable energy14→38
- Thermal6→27
Newly emergingRadiative transfer 0→24 · Model predictive control 0→13 · Coating 0→9
Landmark Scalable-manufactured randomized glass-polymer hybrid metamaterial for daytime radiative cooling · 2,273 cites
◆
Advancements1,609 · 59%
▼ 65%→55% share
▼0.8× share momentum2 median citations40% since 2021mostly methods-led
Advancements are cooling (65%→55% of field), led by Radiative cooling.
rising sub-themes (early→recent)
- Radiative cooling10→39
- Renewable energy63→89
- Energy storage22→48
- Photovoltaic system35→53
- Thermal35→53
Newly emergingSetpoint 0→6 · Workflow 0→5 · Daytime 0→5
Landmark Terrestrial radiative cooling: Using the cold universe as a renewable and sustainable energy source · 791 cites
▼
Concerns253 · 9%
▼ 10%→9% share
▼0.9× share momentum2 median citations45% since 2021mostly empirical
Concerns are cooling (10%→9% of field), led by Renewable energy.
rising sub-themes (early→recent)
- Renewable energy7→17
- Electricity2→9
- Heat pump40→47
- Energy management14→18
- Microgrid2→6
Newly emergingRefrigerant 0→7
Landmark Battery Management System: An Overview of Its Application in the Smart Grid and Electric Vehicles · 927 cites
RESEARCH HOTSPOTS · United States
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.
SF Bay Area82 · +0.49
Boston70 · +0.56
Atlanta57 · +0.56
New York34 · +0.55
Los Angeles31 · +0.65
Philadelphia26 · +0.50
San Diego21 · +0.64
Austin21 · +0.58
Pittsburgh18 · +0.46
Ann Arbor15 · +0.49
PATENT SIGNAL · United States
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.
3,337 filings1,859 assigneespeak 470/yr2016–2025
filing momentum (YoY 2016–2025)
top patent filers
- Carrier430
- Intel178
- Rheem MFG177
- General Electric172
- Johnson Controls TECH123
- Haier US Appliance Solutions108
- FORD Global TECH108
- Lennox IND79
Common questions
How many Energy Efficiency Tech companies are there in New York City, United States?
Radar tracks 79 indexable Energy Efficiency Tech companies headquartered in New York City, United States that meet our profile-completeness bar.
What is the total funding raised by Energy Efficiency Tech companies in New York City, United States?
The Energy Efficiency Tech companies in New York City, United States on this list have raised a combined $612.7M in disclosed equity funding across 33 funded companies.
Which is the highest-funded Energy Efficiency Tech company in New York City, United States?
BlocPower is the highest-funded Energy Efficiency Tech company in New York City, United States, with $250M in disclosed equity funding.
How many Energy Efficiency Tech companies in New York City, United States are funded?
33 of the 79 Energy Efficiency Tech companies in New York City, United States on this list have disclosed at least one equity funding round.
How many Energy Efficiency Tech unicorns are there in New York City, United States?
None of the Energy Efficiency Tech companies in New York City, United States on this list currently has a disclosed valuation of $1B or more.
Who are the top investors in New York City, United States Energy Efficiency Tech companies?
The most active investors in New York City, United States Energy Efficiency Tech companies on this list include Urban Future Lab, MetaProp NYC, Techstars, Climate Capital, Clean Fight.
Rohit KhannaTrends & Stories
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.