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Cooll competitors & alternatives
The 12 closest competitors and alternatives to Cooll among sustainable energy companies — ranked by similarity to what Cooll actually does, not by market-cap band.
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About Cooll
Cooll is a technology company headquartered in Hengelo, Netherlands, that develops innovative heating solutions and recently secured funding for market introduction.
Cooll at a glance
Cooll is a sustainable energy company headquartered in Netherlands. It has raised at least $6.5M across the 2 funding rounds on record. Its most recent funding round, Series A, raised $4.5M in October 2025. Xcout tracks 7 named people at Cooll, including Sicco Rust (Chief Executive Officer).
Cooll leadership
- Sicco RustChief Executive Officer
- Bart CustersEngineering Director
- Richard van der VeenOperational Director
- Niall CooganCEO and Co-founder
- Johannes BurgerFounder / Technology Director
- Stefan van UffelenFounder / Board member
1 more named person on record for Cooll, with roles, board committees and tenure — see the full roster →
Cooll funding rounds
At least $6.5M raised across the 2 rounds on record. Every round on record:
| Date | Round | Amount | Investors |
|---|---|---|---|
| Series A | $4.5M | 8 named | |
| — | $2M | — |
Who invested in each round, lead investors, valuations and the co-investor graph — open the full funding history →
Top 12 Cooll competitors
Ranked by semantic similarity — how close each company is to Cooll by what it does, using Xcout's live company graph. Click any company for its full profile, or its competitor set.
Energy
nuuEnergy is a German company headquartered in Munich that is rethinking the heat pump market by combining digital infrastructure with traditional craft. The company recently closed a €4.3 million Seed round in February 2026 to support its operations in the energy transition sector.
Energy Management
Founded in 2014 and headquartered in the Netherlands, evoyo operates in the energy services sector with a focus on accelerating the energy transition across Europe. The company provides energy equipment and services, including transforming houses with sustainable heating and energy systems.
Energy
Eneco is an energy supplier that provides electricity, gas, and district heating to residential and business customers in the Netherlands. The company supplies 100% locally generated green electricity and offers energy-related products and services such as hybrid heat pumps, EV charging solutions, and a management application for energy consumption.
Energy Services
ExerGo is a Swiss-based district heating and cooling technology provider and project developer headquartered in Vaud, offering unique thermal network solutions to power compact urban energy systems.
Climate & Energy
Hyca Heat is a green-tech startup established in Germany (with roots in Jülich and Berlin) in 2026, focused on pioneering flexible hybrid process heating solutions.
Energy
Voltan Energy is a Finnish energy-as-a-service company headquartered in Helsinki, Finland. The company focuses on the heating and cooling sector for large properties, handling the design, implementation, financing, and ongoing management of thermal energy systems.
Energy Services
Headquartered in Eindhoven, Netherlands, Powerbrain operates an AI-powered platform for energy management and optimization to help energy-intensive companies achieve operational efficiency and sustainability.
HVAC and Energy Solutions
NIBE is a Swedish manufacturer of energy-efficient climate control solutions, including heat pumps, water heaters, and ventilation systems.
Energy Efficiency
Hellio provides energy management, decarbonization, and renewable energy solutions for individuals, businesses, industries, and local authorities. The company offers services including financing and subsidies (such as CEE certificates), technical engineering, energy monitoring, solar energy production, and building renovation works.
Energy
Rondo Energy, Inc. develops thermal energy storage systems (“heat batteries”) that convert electricity from renewable sources into high-temperature heat for industrial use. Its systems serve energy-intensive industrial customers seeking to reduce fossil-fuel use and emissions in processes such as steam and heat generation.
Energy
Cleanwatts is headquartered in Coimbra, Portugal, and specializes in energy services and digital technologies designed to support local energy communities.
Energy Efficiency & Building Management
SmartCool Systems Inc. is a clean technology company headquartered in Vancouver, British Columbia, Canada. The firm focuses on acquiring, commercializing, and marketing energy-saving technologies to reduce HVAC energy consumption.
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