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Series B Energy Efficiency Companies

Explore 20 energy efficiency startups that raised series b funding. Access verified founder contact information and fundraising data.

Total Companies
20
Total Funding
$703.5M
Avg Funding
$35.2M
Cities
19

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Antwerp, Belgium
$16.6M
raised

Qpinch makes steam from industrial waste heat

Sep 2021
Series B

Founder Contacts

41,000+ verified contacts

Kowloon City, Hong Kong
$12.8M
raised

I2Cool is a technology start-up that develops electricity-free cooling technologies based on passive radiative cooling.

Sep 2026
Series B

Founder Contacts

41,000+ verified contacts

Eresing, Germany
$175.0M
raised

Reverion develops reversible and carbon-negative power plants using patented biogas technology for renewable energy.

Sep 2026
Series B

Founder Contacts

41,000+ verified contacts

Sunnyvale, United States
$19.0M
raised

Mojave Energy Systems produces novel liquid desiccant systems for HVAC.

Sep 2026
Series B

Founder Contacts

41,000+ verified contacts

Turin, Italy
$6.2M
raised

Enerbrain turns wasteful buildings into smarter, healthier & more sustainable ones with an innovative IoT energy retrofit solution.

Aug 2021
Series B

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Los Angeles, United States
$35.0M
raised

Enervee is a B2B platform that drives energy-efficient consumer purchases at scale through utility partnerships and embedded financing.

Apr 2022
Series B

Founder Contacts

41,000+ verified contacts

Berlin, Germany
$23.2M
raised

Enter provides energy audits, procurement and financing, and benchmarking for European homes.

Jun 2025
Series B

Founder Contacts

41,000+ verified contacts

Marlborough, United States
$20.0M
raised

LiquidStack isa liquid cooling that provides hyperscale, edge, and computing.

Sep 2024
Series B

Founder Contacts

41,000+ verified contacts

Coimbra, Portugal
$11.4M
raised

Eneida designs and develops smart sensors and artificial intelligence applications for resilient and agile low voltage grid.

Jul 2024
Series B

Founder Contacts

41,000+ verified contacts

Santa Clara, United States
$20.0M
raised

Expedera provider of scalable neural engine semiconductor IP.

Mar 2024
Series B

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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New York, United States
$30.0M
raised

Sealed is a residential energy efficiency startup that designs, manages, and finances home weatherization and electrification projects.

Mar 2024
Series B

Founder Contacts

41,000+ verified contacts

Ilmenau, Germany
$2.2M
raised

Ifesca is an AI company that enables optimal decision-making for energy companies and industry.

Mar 2024
Series B

Founder Contacts

41,000+ verified contacts

Hyires, France
$16.2M
raised

Wise Integration is a developer of GaN-integrated solutions to miniaturize power supplies and improve energy efficiency.

Feb 2024
Series B

Founder Contacts

41,000+ verified contacts

Utrecht, The Netherlands
$28.0M
raised

Sensorfact offers smart energy savings in the manufacturing industry.

Jul 2023
Series B

Founder Contacts

41,000+ verified contacts

London, United Kingdom
$75.0M
raised

tem is building the new transactions infrastructure for a modern energy market to provide universal access to the lowest-cost electricity.

Jan 2026
Series B

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Atlanta, United States
$30.0M
raised

AI for Architecture Company

Dec 2021
Series B

Founder Contacts

41,000+ verified contacts

Berlin, Germany
$29.0M
raised

Comgy digitizes the measurement, visualization and billing of heat, water and electricity consumption in real estate.

Nov 2021
Series B

Founder Contacts

41,000+ verified contacts

Denver, United States
$50.0M
raised

Koloma is a geologic hydrogen company that leverages technology and data to identify and commercialize geologic hydrogen resources.

Oct 2024
Series B

Founder Contacts

41,000+ verified contacts

Boston, United States
$30.0M
raised

Perch Energy offers clean energy technology, and services.

Oct 2023
Series B

Founder Contacts

41,000+ verified contacts

Oslo, Norway
$74.0M
raised

Empower New Energy serves commercial and industrial clients and local communities by mobilizing international capital and operating assets.

Oct 2022
Series B

Founder Contacts

41,000+ verified contacts

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