PCM Smart Window Protection System

Posted by uacooperaResponsive · Patents for licensing · Portugal

Summary of the technology

Comparatively with the typical window shading solutions, the present innovation can store energy in different working positions, without blocking out the direct radiation or direct sunlight into the interior of the building spaces. The developed system uses phase change materials (PCMs), not only in the window protection but also for the complete shutter solution, which allows its optimization and uniqueness for solar gains. The system developed is adaptable to any type of weather conditions.

Description of the technology

The present innovation constitutes an advanced contribution for building energy efficiency by an window shutter incorporation into a window glazing solution using phase change materials. This system can store and release energy, according to the imposed weather conditions and can work efficiently for different weather seasons.


The present innovation constitutes an advanced contribution for building energy efficiency besides increasing the thermal comfort for the users of the building. It allows optimization of energy losses ( and gains) and minimizing the energetic expenditures associated with active acclimatization systems ( eg. AVAC). These can have lower power and work less time.

Main advantages of its use

  • Easily adaptable accordingly to the type, localization and orientation of the building
  • Is energetically more efficient
  • It is able to accumulate energy in a latent state
  • It is visually interesting ( important point to architects)
  • It uses innovative materials ( PCMs)


  • Boat houses
  • Industrial Buildings
  • Public builidings
  • Residential Buildings
  • exhibition centers
  • motorhomes

Related keywords

  • Building materials
  • Installations related to construction (energy, lighting, …)
  • Energy efficiency
  • Construction and Building Products
  • Energy for private/domestic housing
  • PCM
  • Intelligent Window
  • Smart Window Protection System
  • phase change materials
  • Window shutter
  • domotics
  • Passive system
  • Active system

About uacoopera

Technology Transfer Office from Portugal

The University of Aveiro is a young and innovative university, which fosters entrepreneurship and technology and knowledge transfer, with expertise in a wide range of knowledge areas namely IT, Life Sciences (Biology, Chemistry, Biochemistry, Health, Environmental Sciences), Nanotechnology and Materials Science, Mechanics, Physics, Mathematics, Building, Design and Management. uacoopera is the Technology Transfer Office of University of Aveiro. This office engages in value adding activities such as start-up and spin-off creation, support to university-industry cooperation (sponsored research and consultancy services), IP protection and prosecution, licensing, marketing, among others. It covers four main interrelated functional areas – Intellectual Property Management, Licensing, Entrepreneurship, and Industry Liaison.

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