Best Energy Efficiency Tech Companies in Toronto, Canada
The 54 best Energy Efficiency Tech companies in Toronto, Canada in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: ecobee.
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 Toronto
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | ecobee Manufacturer of smart thermostats, sensors, cameras, and security system bundles 78AI top 15%Customers top 19%Tech top 23%Patents top 33% All 13 signals ▾AItop 15% Customerstop 19% Techtop 23% Patentstop 33% Fundingtop 34% Producttop 36% Markettop 37% Moattop 38% Talenttop 38% Innovationtop 42% Growthbottom 48% Globalbottom 42% Newsbottom 24% AI: Holds AI/ML patents (G06N-family CPC) Customers: Play-Store rating 4.30★ across 39,875 ratings (2 apps) · Review volume +45% in 6 mo rank vs industry peers · Fliar Intelligence Index 78/100 | $155M | 97 mo ago | Acquired | Oksana Lvova Ceo | 2007 | Amazon WebstoreContentfulApple iCloud Mail+37 | 82 patents Residential smart energy management and integrated home automation (thermostats, lighting, cameras). | 1 job opening |
| 2 | Otilu Mionics Developer of advanced materials for electronics, displays, and quantum computing | $55M | 44 mo ago | Series B | Michael Helander President & CEO | 2011 | WordPressApple iCloud MailGoogle Workspace+12 | — | — |
| 3 | Encycle Provider of wireless energy management solutions 24Funding top 35%Moat top 37%Product top 40%Patents top 49% All 10 signals ▾Fundingtop 35% Moattop 37% Producttop 40% Patentstop 49% Talentbottom 49% Innovationbottom 43% Globalbottom 43% Marketbottom 37% Techbottom 25% Newsbottom 22% Funding: Raised $45.7M across 8 rounds · 8 rounds over 15 yrs (0.5/yr) Moat: Editorial + unicorn rating 7/10 · IP moat: 18 patents rank vs industry peers · Fliar Intelligence Index 24/100 | $46M | 62 mo ago | Series C | Robert Chiste Chairman and CEO | 2005 | — | 18 patents Intelligent HVAC control and fault detection via smart thermostat orchestration | 2 job openings |
| 4 | Parity Platform for reducing energy consumption 48Product top 30%Funding top 32%Innovation top 34%Talent top 38% All 9 signals ▾Producttop 30% Fundingtop 32% Innovationtop 34% Talenttop 38% Moattop 39% Techbottom 45% Marketbottom 36% Globalbottom 36% Newsbottom 21% Product: 6 distinct product lines · Company stage: Series B Funding: Raised $35.7M across 6 rounds · 6 rounds over 7 yrs (0.9/yr) rank vs industry peers · Fliar Intelligence Index 48/100 | $36M | 25 mo ago | Series B | Brian MacLeod Co-Founder | 2018 | — | — | 1 expansion |
| 5 | VendorPM SaaS-driven vendor bids management software for homeowners 40Funding top 38%Talent top 38%Tech top 45%Product bottom 48% All 7 signals ▾Fundingtop 38% Talenttop 38% Techtop 45% Productbottom 48% Marketbottom 40% Globalbottom 37% Newsbottom 22% Funding: Raised $26.0M across 3 rounds · 3 rounds over 6 yrs (0.5/yr) Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 40/100 | $26M | 46 mo ago | Series A | Dylan Sher Co-Founder & COO | 2019 | WebflowSalesforceIntercom+32 | — | 1 job opening |
| 6 | ThoughtWire Provider of IoT predictive maintenance platform | $22M | 73 mo ago | Series A | Dale Hall Executive VP & Co-Founder | 2009 | — | 32 patents Semantic data integration and sharing platform for enterprise software systems | — |
| 7 | QD Solar Developer pof quantum dot-based photovoltaic cells | $8M | 51 mo ago | Acquired | — | 2014 | — | 12 patents Surface‑engineered colloidal quantum dots for high‑efficiency solution‑processed photovoltaics | — |
| 8 | Adaptis Provider of AI-powered platform for capital planning and asset decarbonization 32Talent top 38%AI top 45%Tech top 50%Funding bottom 49% All 7 signals ▾Talenttop 38% AItop 45% Techtop 50% Fundingbottom 49% Globalbottom 36% Marketbottom 28% Newsbottom 21% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated AI: Product described with: ai-powered rank vs industry peers · Fliar Intelligence Index 32/100 | $5M | 15 mo ago | Seed | Sheida Shahi Co-Founder & CEO | 2022 | WixSentryBootstrap+12 | — | — |
| 9 | energyX Solutions Energy audit app for energy service companies | $5M | 71 mo ago | Acquired | — | 2016 | — | — | — |
| 10 | Edgecom Energy AI-powered energy management software 27Talent top 38%AI top 45%Funding bottom 49%Tech bottom 37% All 6 signals ▾Talenttop 38% AItop 45% Fundingbottom 49% Techbottom 37% Globalbottom 37% Marketbottom 27% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated AI: Product described with: ai-powered rank vs industry peers · Fliar Intelligence Index 27/100 | $4M | 18 mo ago | Seed | Mostafa Salehi Co-Founder | 2016 | WordPressMySQLRedis+20 | — | 1 launch |
| 11 | Nanoleaf Energy efficient lightbulbs | $3M | 124 mo ago | Acquired | Tom Rodinger Chief Technology Officer and Cofounder | 2012 | Cart FunctionalityShopifyRoute+33 | — | — |
| 12 | SensorSuite Cloud-based building energy management solution | $550K | 104 mo ago | Series A | — | 2012 | — | — | — |
Top 12 Energy Efficiency Tech companies in Toronto
#1
Seed · Toronto, Ontario · founded 2022 · 19 employees$5.5Mraised▾
Provider of AI-powered platform for capital planning and asset decarbonization. The platform uses predictive analytics and real building data to guide capital planning decisions. It aligns decarbonization goals with financial realities across design, retrofit, and development. The platform offers portfolio-wide insights to uncover risks and opportunities. It provides a step-by-step plan, mapping out when to invest in capital projects.
- Apr 2025Seed$4M
- Jun 2024Seed$5.5M
- Jan 2023Seed$1.5M
- Sep 2022Seed—
#2
Seed · Toronto, Ontario · founded 2016 · 22 employees$3.7Mraised▾
AI-powered energy management software. It provides AI-powered energy management software solutions to large energy consumers, enabling them to reduce energy costs and emissions through predictive analytics and IoT-based monitoring.
- Jan 2025Seed$2.5M
- Dec 2024Seed$1.2M
#3
Series B · Toronto, Ontario · founded 2018 · 23 employees$35.7Mraised▾
Platform for reducing energy consumption. It monitors the consumption of gas and electricity by connecting to the building via the cloud and optimizes the mechanical systems. It provides real-time energy data and allows tracking of monthly savings through energy reports.
- Jun 2024Series B$19M
- Oct 2023Conventional Debt$4M
- Oct 2022Series B$8M
- Dec 2020Series A$5M
#4
Series B · Toronto, Ontario · founded 2011 · 54 employees$55Mraised▾
Developer of advanced materials for electronics, displays, and quantum computing. The company focuses on materials for transparent displays, under panel sensors, and under display cameras. It uses computational chemistry, high performance computing, and machine learning for materials design. The company also offers materials synthesis, scale-up, and production testing. It applies its materials to OLED displays and self-assembly patterning. The company provides expertise in OLED materials, application engineering, and process development.
- Oct 2022Series B$55M
- Aug 2020Series A—
- Feb 2015Grant (prize money)$5.7M
#5
Acquired · Toronto, Ontario · founded 2007 · 520 employees$155Mraised▾
Manufacturer of smart thermostats, sensors, cameras, and security system bundles. The company provides smart thermostats with accessories, air filter subscriptions, and power extender kits. It offers smart sensors for rooms, doors, and windows. The company also manufactures wired smart doorbell cameras and smart cameras with voice control. In addition, the business provides home security bundles and smart security subscriptions.
- May 2018Series C$36.3M
- Mar 2018Series C$61M
- Dec 2016Series C$267K
- Aug 2016Series C$35M
#6
Series A · Toronto, Ontario · founded 2019 · 56 employees$26Mraised▾
SaaS-driven vendor bids management software for homeowners. Features include vendor quote requesting, vendor lead generation, vendor searching, vendor reviewing, and insight generation. Users can procure & manage services & contracts through the platform.
- Aug 2022Series A$20M
- Feb 2022Seed$6M
- Apr 2020Seed$30K
#7
Series C · Toronto, Ontario · founded 2005 · 30 employees$45.7Mraised▾
Provider of wireless energy management solutions. It offers enviro grid swarm logic controllers that are attached to electrical loads like air conditioning, heaters, compressors, pumps, humidifiers, dehumidifiers, to communicate and coordinate with each other and to reduce electrical demand for commercial, industrial, institutional, and multi-unit residential facilities.
- May 2021Series C$7.5M
- Dec 2020Series C$2.2M
- Oct 2018Series C$4.9M
- Dec 2016Series C$11.5M
#8
Acquired · Toronto, Ontario · founded 2014 · 12 employees$7.8Mraised▾
Developer of quantum dot-based photovoltaic cells. It provides users with a company that manufactures photovoltaic cells using colloidal quantum dot technology. Its thin-film sheet integrated into conventional silicon solar panels has the potential to increase the energy output of solar panels.
- Mar 2022Series A$100K
- Feb 2021Grant (prize money)$5.3M
- Feb 2017Series A$7.7M
- Mar 2016Grant (prize money)$2.5M
#9
Series A · Toronto, Ontario · founded 2009 · 64 employees$22Mraised▾
ThoughtWire is the provider of Ambiant IIoT, a platform that provides real-time guidance to users enabling them to predict and resolve issues. It is applied to develop self-optimizing production lines for reducing downtime and preventing machine failures. Applications are in the areas of smart buildings, cities, and hospitals. Clientele and industry partners include Hamilton Health Sciences, IBM, McKesson, Ontario Shores, OXFORD, Plan Group, South Lake, William Osler Health System, Hitachi among others.
- Jun 2020Conventional Debt$8.5M
- Mar 2018Conventional Debt—
- Mar 2018Series A$20M
- Sep 2017Grant (prize money)$955K
#10
Acquired · Toronto, Ontario · founded 2016 · 12 employees$5Mraised▾
Energy audit app for energy service companies. It is designed to provide homes and small-medium businesses with actionable results in less than 15 minutes by using a proprietary algorithm and building profiles to predict the building upgrades and retrofits that will save customers the most on current energy bills.
- Aug 2020Seed$748K
- Jul 2019Seed$500K
- Jan 2019Seed$376.9K
- Sep 2018Seed$1.3M
#11
Acquired · Toronto, Ontario · founded 2012 · 95 employees$2.9Mraised▾
Energy efficient lightbulbs. It offers smart light bulbs that can be adjusted by a standard power switch without the need to connect to Wi-Fi or a smartphone. The bulb uses LEDs which helps improve brightness while reducing power draw and wasted heat output.
- Mar 2016Series A$2.9M
#12
Series A · Toronto, Ontario · founded 2012 · 13 employees$550Kraised▾
SensorSuiteis a provider of cloud-based building energy management solutions. The company offers wireless smart thermostat technologies that can be installed to monitor and control large spaces like conference rooms and ballrooms. The company offers solutions to manage office buildings, hotels, public spaces, industrial sites, and other real estates. The company's clientele includes Wynn Group, ParkHyatt, and The Globe and Mail among others.
- Oct 2017Series A—
- Apr 2015Seed$550K
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 in Toronto is moving
A read on the academic research around Energy Efficiency in Toronto — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 133 papers.
Toronto Metropolitan University and University of Toronto lead moderately optimistic research (mean stance 0.48) on building efficiency, geothermal, and solar systems, with output surging fourfold post-2020.
- Toronto Metropolitan University120
- University of Toronto15
- Toronto and Region Conservation Authority3
- Heat pump6
- Renewable energy3
- Microgrid3
- Energy consumption3
- Energy management3
- Heat pump8→65
- Heat exchanger1→14
- Thermal2→13
- TRNSYS4→12
- Photovoltaic system5→12
- Heat pump13
- Nuclear engineering5
- Borehole4
- Thermal energy storage4
- Thermal4
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.