Have you ever been aware of :

Solar heat penetrating into house
:in summer time,

Heat leaking out of windows
:in winter time.

Comfort.

Temperature.

  • Windows make you feel cool in Summer and warm in winter.
  • Simulation on room temperature using an insulation glass

    • Since this image is so large, it might take nearly 100 seconds to down load it.

  • Energy conservation simulation using a model house in some representative areas in Japan.

    • First ever in the world.

  • Vacuumed Insulation glass.

    • Range of vision.

  • Afraid of neighbor looking into my house.
  • Window shade is hard to clean. Is there any good measure to cope with this problem?
  • Afternoon sunlight is too strong, but I do not like a dark room.
  • Visible and not visible by means of a switch

    • Sound.

  • Sound isolation and soundproofing.

    • Security.

  • Anti-theft feature is preferable (a thief free).
  • Heat resistant glass.
  • Heat insulation glass prevents heat from penetrating into room in case of fire.

    • Decorativeness

    Multi functional glass for wall material.