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Green Fusion

Green Fusion GmbH

Berlin, Germany

Energy StorageOtherPrivate company
Founded 202151-200 employees
Profile last updated: March 12, 2026

About

Founded in 2021, Green Fusion is a private company headquartered in Berlin, Germany with approximately 51-200 employees specializing in Energy Storage, Other.

Green Fusion is an AI-powered energy management platform provider for residential real estate companies. The company develops cloud-based software solutions that digitalize, automate, and optimize heating and energy systems in multi-family buildings. Green Fusion enables intelligent sector coupling by integrating heat pumps, photovoltaic systems, battery storage, and traditional heating systems on a single platform, allowing data-driven optimization to reduce energy consumption, costs, and CO2 emissions. The platform serves housing associations, cooperatives, contractors, and property developers across Germany, with capabilities for both classical heating systems and complex renewable energy configurations.

Headquarters

Berlin, Germany

Founded

2021

Employees

51-200

Company type

Private company

Focus areas

Energy ManagementHeating OptimizationAIIoTBuilding AutomationWärmewendeHeat Pump ManagementDistrict HeatingRenewable Energy IntegrationSector CouplingSoftware as a ServiceEnergy EfficiencyResidential Real EstateDigital Transformation

Products & services

Business models

B2BESCO

Value chain

SoftwareO&MConsultingAdvisory

Service areas (2)

  • Energy Management for Residential Real Estate

    AI-powered platform for optimizing heating and energy systems in multi-family buildings, including heat pump management, district heating optimization, and integrated renewable energy systems

  • Digital Heating Cellar Optimization

    Digitalization and automated control of heating systems ranging from gas boilers to complex sector coupling systems with heat pumps, PV, and battery storage

Locations

Headquarters

Schlesische Straße 27, 10997, Berlin, Germany

Service regions

Germany

Projects

8

Baugenossenschaft dhu Hamburg

OperationalDistrict heating optimization with heat pump

Heizeinsparungen in KfW 70 Neubau mit Nahwärme-Heizung

0.027 MW capacityHamburg, Germany

WSL Wohnen & Service Leipzig

OperationalDistrict heating optimization

Optimization of district heating system for 27 residential units

Leipzig, Germany

GWU Eckernförde

OperationalHeat pump cascade optimization

Optimization of heat pump cascade system

Eckernförde, Germany

Rheinwohnungsbau Portfolio Duisburg-Ungelsheim

OperationalPortfolio energy management

Energetic renovation and management of 60-year-old neighborhood with complex energy systems

Duisburg, Germany

Essen Nord

OperationalHeating system optimization

Digital heating cellar management and optimization

Essen, Germany

Bauverein der Elbgemeinden eG

Under ConstructionHeating management platform deployment

Portfolio rollout across 3,200 residential units

Hamburg, Germany

KHW Kommunale Haus und Wohnen GmbH

OperationalPortfolio heating and energy management

Complete portfolio energy management across 68 central heating systems

Germany

Dunckerviertel and Baumwollspinnerei Leipzig

OperationalDistrict energy optimization

Model district energy management implementation

Leipzig, Germany

Credentials & affiliations

Certifications

TÜV Certification 71a GEG

Issued by: TÜV

Awards

TÜV Certification 71a GEG

TÜVBuilding energy management system certification

Industry memberships

VDW SachsenVNW Norddeutschland

Partnerships

B&O Service, termios, aedifion, Viessmann Climate Solutions, Ampeers Energy, FIDENTIA, Urbainity Solutions

People

Management & team (7)

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