Top 10 Energy-efficient Building startups

Updated: February 27, 2024

Energy-efficient building startups are dedicated to developing innovative technologies and solutions for sustainable building design, construction, and operation, including smart building automation systems, energy management platforms, efficient insulation materials, advanced HVAC systems, and renewable energy integration, aiming to reduce energy consumption, improve indoor air quality, optimize occupant comfort, and minimize environmental impact, thereby creating energy-efficient buildings that contribute to a greener and more sustainable built environment.
1
Country: USA | Funding: $582.6M
Stem pairs artificial intelligence with energy storage to help organizations automate energy cost savings and protect against changing rates.
2
Country: USA | Funding: $566.5M
Redaptive is an Energy-as-a-Service provider that funds and installs energy-saving and energy-generating equipment and manages energy use in buildings.
3
Country: USA | Funding: $266.6M
BlocPower is offering smart, all electric heating, cooling, and hot water systems to building owners for no money down.
4
Country: Ireland | Funding: €184M
Urban Volt is an energy-saving LED lighting firm. They retrofit commercial premises with LED lighting for no upfront cost. Their unique Light as a Service business model allows our clients to enjoy cash and energy savings from the moment of installation.
5
Country: USA | Funding: $174.5M
Atom Power built the world’s first and only true solid-state circuit breaker. Using semiconductors to control the current digitally, this breakthrough unlocks a future where power is smartly controlled and exponentially safer.
6
Country: USA | Funding: $132M
Ice Energy develops Ice Bear - thermal energy storage for air conditioning, that is lowering electric bills for businesses and homeowners, and reducing CO2 emissions.
7
Country: USA | Funding: $119M
Aeroseal seals both air ducts and building envelopes so you waste less energy and reduce your bill
8
Country: USA
Solatube developed the system that revolutionized the way daylight was brought into a building. Known as a tubular daylighting device (TDD), this product was a compact and leakproof alternative to traditional skylights.
9
Country: China
Broad Group produces clean air-conditioning systems and other sustainability-oriented products to enhance building efficiency. The company uses a patented, non-electric air chiller in its air conditioning design. Instead of using Freon (the traditionally used chiller), the system taps into natural gas to produce a solution that ultimately cools the air.
10
Country: USA | Funding: $75M
Ubiquitous Energy is developing a special kind of “solar glass” designed to convert sunlight into electricity, minus the traditional photovoltaic panels.
11
Country: Canada | Funding: $75.1M
BrainBox AI utilizes cloud-based computing, algorithms, and a proprietary process to create an autonomous building technology.
12
Country: USA | Funding: $67.1M
Carbon Lighthouse is on a mission to stop climate change by making it easy and profitable for building owners to eliminate carbon emissions caused by wasted energy. The company’s unique approach to Efficiency Production goes deep into buildings to uncover and continuously correct hidden inefficiencies that add up to meaningful financial value and carbon elimination that lasts.
13
Country: USA | Funding: $61.6M
David Energy looks to transform every building into an energy retailer that helps customers get more value out of their solar and storage systems.
14
Country: USA | Funding: $51.5M
Verdigris Technologies is a SaaS-based platform that develops artificial intelligence in order to optimize energy consumption.
15
Country: France | Funding: €48M
Qarnot designs and develops Q.rad, a computing heater embedding microprocessors as a heat source and connected to the Internet.
16
Country: Canada | Funding: $50M
Kontrol Integrates smart energy devices, energy software and energy retrofits to help organizations benefit from energy cost savings while minimizing greenhouse gas emissions.
17
Country: Germany | Funding: €43.3M
ecoworks uses industrial prefabrication, digital processes, and energy systems to modernise multi-family houses with up to four floors within a few weeks. During the renovation process, the building is converted into “a small, decentralised power plant” by installing photovoltaic systems, heat pumps and thermal reservoirs.
18
Country: USA | Funding: $38M
Worlds' technology combines deep learning and IoT inside of a 4D environment to give organizations the ability to observe their organization’s physical space and then, analyze and learn from their physical surroundings
19
Country: USA | Funding: $36.8M
Covetool is a B2B SaaS company that helps make buildings energy efficient while saving on construction cost.
20
Country: USA | Funding: $36.8M
Covetool is a B2B SaaS company that helps make buildings energy efficient while saving on construction cost.
21
Country: USA | Funding: $29.9M
75F is a predictive and proactive IoT-based building automation system that addresses HVAC, lighting, and equipment control needs.
22
Country: South Korea | Funding: $25.4M
Energy X develops an ESG sustainable architecture platform that enables the construction of zero-energy buildings.
23
Country: Finland
Leanheat aims to use artificial intelligence to improve climate control in multi-family buildings.
24
Country: USA | Funding: $21.1M
Blue Frontier specializes in air conditioning systems designed for sustainability, comfort and energy storage. It's technology is based on liquid desiccants, which dehumidifies air.
25
Country: France | Funding: €20M
Effy is a France based energy renovation company. The company workes on energy renovation for public buildings, residential buildings and industrial facilities
26
Country: Italy
SOLIDpower develops Bluegen - stationary fuel cell unit (based on high-temperature fuel cell technology - SOFC, solid oxide fuel cells) ideally suited for application in residential and small commercial buildings.
27
Country: Germany | Funding: $14.5M
GreenCom develops SaaS platform that is able to connect and optimise home energy devices such as solar PV systems, battery storage units, heat pumps and electric vehicle chargers, across a range of different models and manufacturers. End users can manage their energy use, optimise costs and share energy with their communities.
28
Country: USA | Funding: $12.7M
Flair makes smart vents and wireless thermostats and advanced software for residential heating and cooling.
29
Country: Germany | Funding: €12M
Aedifion develops tools for the cloud-based processing of operating data from building automation systems.
30
Country: Estonia | Funding: €10.5M
Solarstone develops and produces building-integrated PV (BIPV) solutions that promote sustainable building principles
31
Country: USA | Funding: $9.3M
Skycool Systems is improving the efficiency of all cooling systems by harnessing an untapped renewable resource. It's panels turn the sky into a renewable resource and reduce the electricity use of air conditioning and refrigeration systems
32
Country: Canada | Funding: $6.1M
dPoint develops and sells membranes and energy recovery technology that significantly improve the energy efficiency and air quality in buildings. It has adapted its patented fuel-cell heat and humidity exchanger technology for use in energy recovery ventilator systems, which transfer heat and humidity between the intake and exhaust in a residential or commercial building’s ventilation system.
33
Country: Estonia | Funding: €5.3M
Bisly is an Estonian startup developing intelligent building solutions.
34
Country: USA | Funding: $5.5M
INOVUES is a window technology company that provides the only solution that enables existing building facades to be retrofitted with the latest energy-saving and smart glass innovations without removal or replacement
35
Country: USA | Funding: $5.1M
AeroShield Materials is creating thermally insulating transparent inserts. The inserts are only four millimeters of AeroShield's material and, when placed inside a double-pane window, provides 65 percent more energy efficiency.
36
Country: Canada | Funding: CA$6.3M
Click Materials is developing smart windows that offer a convenient, versatile way to reduce energy consumption and customize almost any environment.
37
Country: Germany | Funding: €4.4M
DABBEL controls the energy system in buildings using AI technology, reducing energy consumption and CO₂ emissions up to 40%
38
Country: Denmark | Funding: $3.6M
Ento is an AI-powered platform that identifies the best ways to build and improve buildings in order to reduce their carbon emissions. It produces reports to display where energy has been optimised, has an alarm to alert when there’s an issue and offers a tracking space to monitor the progress of energy-saving projects.
39
Country: UK | Funding: £2.7M
Monodraught manufactures natural lighting, air conditioning and ventilation technology that is now widely used by the likes of IKEA, Ford and Waitrose.
40
Country: UK | Funding: £2.5M
Save cost and carbon by shifting energy use outside of peak times
41
Country: Estonia | Funding: €2.4M
R8 Digital Operator develops artificially intelligent add-on software for your existing Building Automation System (BAS, BMS).
42
Country: France | Funding: €2.2M
WIND my ROOF develops a modular roof wind turbines intended to help flat-roofed buildings to exploit the potential of wind power.
43
Country: Switzerland | Funding: CHF2M
viboo offers self-learning predictive control on the basis of physics-informed Machine Learning as a cloud service.
44
Country: Singapore | Funding: SGD3M
TablePointer is the AI solution for small and medium commercial facilities, helping them optimise energy usage and increase profitability.
45
Country: Switzerland
Smart Energy Link (SEL) is a software developer and service provider for captive power solutions in residential and commercial buildings and quarters. SEL lowers energy costs, simplifies accounting of service charges and reduces investment for public power supply.
46
Country: Spain | Funding: $2M
Onyx Solar is the world’s leading manufacturer of transparent photovoltaic (PV) glass for buildings. PV Glass is used as a building material plus as an energy-generating device, capturing the sunlight and transforming it into electricity.
47
Country: Singapore | Funding: SGD2.8M
Energy intelligence at the edge: connected hardware company making buildings smarter and more efficient.
48
Country: USA | Funding: $1.7M
Accelerate Wind provides wind energy generation for the commercial and industrial spaces.
49
Country: Saudi Arabia | Funding: $1.5M
Iyris is creating special, high-tech glass that blocks heat, saves energy and produces electricity.
50
Country: Australia | Funding: $1.2M
Wattblock provides quickstart energy reports for residential or commercial strata buildings, without the need for onsite hardware.