kraftBoxx System integration of renewable energies

System integration
of renewable energies

for single-family homes, multi-family buildings, and industrial facilities in the fields of refrigeration, heating, and HVAC, featuring innovative storage systems.

kraftBoxx advanced energy and heat storage solutions based on phase change materials (PCM) and innovative storage systems.

Using PV electricity, our products enable sustainable storage and management of thermal energy.

FlexBlue.Connect

FlexBlue

Sixth Online Event
May 5, 2026

Shaping the transition – strategically managing cooling processes
Making cooling processes more flexible is a key component of a sustainable energy system. But how can cooling flexibility be leveraged in a way that goes beyond reactive load management and contributes to system stability, cost-effectiveness, and decarbonization?

Participation is free of charge!
Registration is required – including agenda at:

>>> FlexBlue.Connect – Fraunhofer UMSICHT

Trade press

Building Technology Magazine

PCM Storage
for Refrigeration and HVAC Applications

Challenges, Solutions,
Future Prospects

Refrigeration and air conditioning applications are increasingly faced with the challenge of finding sustainable and cost-effective solutions.

kraftBoxx

The pioneering storage system
Power to Heat

heatStixx

The innovative solution for increasing
storage capacity

kraftBoxx

The pioneering storage system Power to Heat

heatStixx

The innovative solution to increase Storage capacity