Air-to-air heat pump - has condenser and evaporator on opposite sides of mounting plate
DE3037646A1
Window element with cavity ventilation system - and heat recuperator all combined in easily installed panel of storey height
ATA319980A
Shutter ventilation box for fastening on a frame of a window, door or. dgl.
DE2932125A1
Heating system with two fluid media - has two separate passages with one connected to heat pump in each radiator unit
ATA446979A
Shutter box for a window, door or the like.
FR2436246A3
Mitred corner joint for window frame rectangular hollow sections - is fixed by screw entering sleeves built onto I=section inserts
FR2436251A3
Door or window frame with demountable box for roller blind - slides into opening above door and is secured by clips with plastics sealing strip fixed round external edges
ATA328279A
Shutter box for a window, door or. dgl.
ATA188879A
Insulated glass unit
ATA188779A
Insulating glazing for a window, door or. dgl.
DE2846745A1
Heat-pump domestic heating system - has evaporator also acting as solar heat collector
