Temperature-control apparatus (1, 64), comprising a housing frame, wherein a temperature T1 prevails outside the temperature-control apparatus (1, 64) and a temperature T2 prevails inside the temperature-control apparatus (1, 64), wherein - at least one of the edges of the housing frame is formed by a frame profile (5; 68) which comprises a base profile of plastics material and at least one pair of metal elements (14, 15; 34; 36 to 39) arranged parallel to one another in pairs, which metal elements are in the form of reinforcing strips and are connected to the base profile by a material-bonded connection over their entire contact surface with the base profile, wherein the cross-section of the frame profile has an axis of symmetry, the isotherm for the temperature (T1 - T2)/2 is arranged orthogonally relative to the axis of symmetry at the point of intersection with the axis of symmetry, and the isotherm for the temperature (T1 - T2)/2 does not have a point of intersection with the metal elements (14, 15; 34; 36 to 39), that the two metal elements (14, 15, 34) are angular in cross-section, wherein one of the metal elements (14, 34) delimits two hollow-chamber walls (20, 21) of the at least one hollow chamber and the other of the two metal elements is arranged in the region of a corner of the hollow chamber opposite the two hollow-chamber walls (20, 21), that the two hollow-chamber walls (30, 31) which form the opposite corner continue through a crossing point of the two hollow-chamber walls (30, 31); and/or - at least one of the posts of the housing frame is formed by a post profile (9, 70) which comprises a base profile of plastics material and at least one pair of metal elements (78, 79, 82, 83) arranged parallel to one another in pairs, which metal elements are in the form of reinforcing strips and are connected to the base profile by a material-bonded connection over their entire contact surface with the base profile, wherein the cross-section of the post profile has an axis of symmetry, the isotherm for the temperature (T1 - T2)/2 is arranged orthogonally relative to the axis of symmetry at the point of intersection with the axis of symmetry, and the isotherm for the temperature (T1 - T2)/2 does not have a point of intersection with the metal elements (78, 79, 82, 83), that the post profile (9, 70) has at least two hollow chambers (74 to 76), wherein a pair of the metal elements (78, 82; 79, 83) is in each case arranged in opposing hollow-chamber walls (77, 80; 77; 81). - at least one of the edges of the housing frame is formed by a frame profile (5; 68) which comprises a base profile of plastics material and at least one pair of metal elements (14, 15; 34; 36 to 39) arranged parallel to one another in pairs, which metal elements are in the form of reinforcing strips and are connected to the base profile by a material-bonded connection over their entire contact surface with the base profile, wherein the cross-section of the frame profile has an axis of symmetry, the isotherm for the temperature (T1 - T2)/2 is arranged orthogonally relative to the axis of symmetry at the point of intersection with the axis of symmetry, and the isotherm for the temperature (T1 - T2)/2 does not have a point of intersection with the metal elements (14, 15; 34; 36 to 39), that the two metal elements (14, 15, 34) are angular in cross-section, wherein one of the metal elements (14, 34) delimits two hollow-chamber walls (20, 21) of the at least one hollow chamber and the other of the two metal elements is arranged in the region of a corner of the hollow chamber opposite the two hollow-chamber walls (20, 21), that the two hollow-chamber walls (30, 31) which form the opposite corner continue through a crossing point of the two hollow-chamber walls (30, 31); - at least one of the posts of the housing frame is formed by a post profile (9, 70) which comprises a base profile of plastics material and at least one pair of metal elements (78, 79, 82, 83) arranged parallel to one another in pairs, which metal elements are in the form of reinforcing strips and are connected to the base profile by a material-bonded connection over their entire contact surface with the base profile, wherein the cross-section of the post profile has an axis of symmetry, the isotherm for the temperature (T1 - T2)/2 is arranged orthogonally relative to the axis of symmetry at the point of intersection with the axis of symmetry, and the isotherm for the temperature (T1 - T2)/2 does not have a point of intersection with the metal elements (78, 79, 82, 83), that the post profile (9, 70) has at least two hollow chambers (74 to 76), wherein a pair of the metal elements (78, 82; 79, 83) is in each case arranged in opposing hollow-chamber walls (77, 80; 77; 81).