Press & media

Everything you need to talk about Kelveen accurately.

The official description, verifiable facts and the logos. For everything else, write to us: we answer fast, and we prefer a question to an approximation.

The official description.

Usable as is, in full or in part.

Kelveen develops a motorised shutter that works with the sun: it harvests winter radiation by sending it back indoors, protects from overheating in summer, reinforces insulation at night and exposes a photovoltaic face when the opening is free. Designed for the retrofit of pre-1990 multi-family and office buildings, it mounts on the existing opening, with no structural work and fully reversibly. The project, led by Paul Trément in Bordeaux, is at the prototype stage: energy simulation operational, patent application filed with the INPI on 15 August 2026, test rig in fabrication.

The facts, verifiable.

  • ProjectKelveen — “The shutter that works with the sun”
  • FounderPaul Trément, R&D engineer, Bordeaux
  • StagePrototype. No building equipped to date ; all results are simulated.
  • PatentApplication filed with the INPI on 15 August 2026
  • Target marketRetrofit of pre-1990 multi-family and office buildings, France then Europe
  • Contacthello@kelveen.com

The logos.

Two versions, light and dark background, in SVG format. Do not distort, recolour or crop.