Insulating housing for providing heat insulation and installation kit

An installation kit for installing a heat shrink sleeve, the installation kit comprising:

• an insulating housing including a main body two peripheral regions, the main body having a plurality of longitudinal grooves along a longitudinal axis of the main body, wherein the main body is arranged between the peripheral regions, wherein the insulating housing is foldable along the plurality of longitudinal grooves to form an enclosure, and wherein each peripheral region is configured to contact a cable
• a heat shrink sleeve,
• a heating unit arranged along an outer surface of the heat shrink sleeve, and
• a control unit arranged at a base plate,
• wherein the insulating housing encloses the heat shrink sleeve and the heating unit;
• and
• wherein the heating unit is electrically energizable by the control unit to provide heat to the heat shrink sleeve.