Abstract: A facade element for heat-insulation purposes has at least two parallel panels (101, 102), a cavity (103), which is formed between these two panels (101, 102) and has fluid flowing through it, and at least one inlet (13), for feeding a radiation-absorbing fluid, and at least one outlet (13?), for discharging the fluid. The inlet (13) is arranged on a first side of the panels (101, 102) and the outlet (13?) is arranged on an opposite, second side of the panels (101, 102). The at least one inlet (13) and the cavity (103) have arranged between them a first flow distributor (14), which extends for distribution along the length of the first side. This facade element makes straightforward and cost-effective industrial production possible.

Abstract: A facade element for heat-insulation purposes has at least two parallel panels (101, 102), a cavity (103), which is formed between these two panels (101, 102) and has fluid flowing through it, and at least one inlet (13), for feeding a radiation-absorbing fluid, and at least one outlet (13?), for discharging the fluid. The inlet (13) is arranged on a first side of the panels (101, 102) and the outlet (13?) is arranged on an opposite, second side of the panels (101, 102). The at least one inlet (13) and the cavity (103) have arranged between them a first flow distributor (14), which extends for distribution along the length of the first side. This facade element makes straightforward and cost-effective industrial production possible.

Abstract: The invention relates to a construction element that comprises at least one first transparent pane and a parallel second pane that is at least partly transparent and contains a material that accumulates latent heat. The material that accumulates latent heat is dyed or pigmented so that it absorbs light in the infrared range of the solar spectrum. The construction element claimed by the invention is highly efficient in absorbing light directly in the material that accumulates latent heat.