kraftBoxx GmbH

Aulendorf, Baden-Württemberg, Germany

Energy StorageSolarHydrogenLimited company

51-200 employees

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Profile last updated: October 1, 2026

About

kraftBoxx GmbH is a limited company headquartered in Aulendorf, Germany with approximately 51-200 employees specializing in Energy Storage, Solar, Hydrogen.

kraftBoxx GmbH is a renewable energy technology company specializing in advanced thermal energy storage solutions based on phase change materials (PCM). The company provides system integration of renewable energy for single-family homes, multi-family buildings, and industrial facilities in heating, cooling, and ventilation applications. Primary products include heatStixx and heatSel thermal storage materials, coolBoxx ice storage systems, and integrated PV-heat storage systems. The company serves the HVAC, district heating, and industrial cooling sectors with innovative storage solutions that enhance energy efficiency and enable flexible integration of renewable energy sources. kraftBoxx operates internationally with partnerships in China, development centers in Germany and China, and distribution networks across Europe and Asia.

Headquarters

Aulendorf, Germany

Employees

51-200

Company type

Limited company

Focus areas

thermal storagephase change materialsPCMrenewable energyheat storagecool storageHVACsolar integrationenergy efficiencyindustrial cooling

Products & services

Business models

B2BEPC

Value chain

ManufacturingEngineeringProcurementConstructionO&MConsulting

Service areas (3)

Thermal Energy Storage Systems
Design, engineering, manufacturing and installation of phase change material (PCM) based thermal storage systems for heating, cooling and HVAC applications
System Integration for Renewable Energy
Integration of renewable energy systems with thermal storage for single-family homes, multi-family buildings and industrial facilities
Cold Storage and Refrigeration
Advanced cooling and refrigeration solutions using natural refrigerants with thermal storage systems

Locations

Headquarters

Riedweg 5, 88326, Aulendorf, Baden-Württemberg, Germany

Operating locations (2)

Bahnhofstraße 31, Eisenberg, Thuringia, Germany
Harzer Straße 39, Berlin, Germany

Service regions

GermanyChinaEuropeMongolia

Projects

Mongolia Solar Heating Project - Kindergarten A

OperationalSolar PV with thermal storage

PV-to-heat system installation in kindergarten with thermal storage for heating and hot water in Mongolia

Ulaanbaatar, Mongolia

Mongolia Solar Heating Project - Kindergarten B

OperationalSolar PV with heat pump

Heat pump and PV system installation in kindergarten with thermal storage in Mongolia

Ulaanbaatar, Mongolia

Mongolia Residential Building Heating

OperationalSolar PV with thermal storage

Solar electric heating system with thermal storage for residential building in Mongolia

Ulaanbaatar, Mongolia

Berlin Bio-Cooling Plant

OperationalCooling storage system

Bio-cooling facility with natural refrigerant-based cooling systems

Berlin, Germany

CAP Supermarket - Kaiserslautern

OperationalCommercial refrigeration

Refrigeration system for supermarket with cooling storage optimization

Kaiserslautern, Germany

Rheinfelden District Heating Network

OperationalDistrict heating system

District heating network expansion with thermal storage integration

Rheinfelden, Germany

FlexBlue Research Project

OperationalResearch project

Research project on flexible cooling supply systems with thermal storage technologies and intelligent operating strategies for system stability and decarbonization