Paned windows and doors in which there is a plurality of peltier cells

A paned window or door structure having a plurality of Peltier cells for environmental climate control,, the structure having a frame (2) including a fixed frame portion (2′) and a mobile frame portion (2″) wherein said mobile frame portion (2″) has at least one double glazing unit (3) defining a gap between glass panes, wherein in said gap at one or more edges of said mobile frame portion a plurality of Peltier cells (11) are arranged each in contact at a lower surface with a first heat sink element (12) adapted for thermal dissipation towards, an exterior and formed from a material of high heat conductivity and having a portion (12′) arranged at an outer surface of said frame (2), wherein each of said cells (11) has a sheet of high heat conductivity material disposed on an upper surface thereof acting as second heat sink element (13) for thermal dissipation towards the gap of said double glazing unit (3), wherein said Peltier cells (11) are supplied with electricity via an electric circuit (4) having a pair of contacts (20′, 20″) respectively arranged in the fixed (2′) and mobile (2″) frame portions, said electric circuit being equipped with means (9) for switching the polarity of the electrical power supply to said cells so as to cause inversion of the heating/cooling mode between said upper and lower surfaces of said cells.