Saya baru saja menarik cling film ke luar jendela dan terkejut betapa hangatnya suasana di dalam rum

The video explains how to keep a house warm by sealing cracks, insulating doors and windows, and using materials such as blankets, foam, bubble wrap, and cling film. It shows step‑by‑step how to apply cling film to window frames to create a thermal barrier that reduces heat loss and condensation, thereby saving money on heating costs.