Star Heat Shield, (PATENT APPL. NO: 201822095483) a nano-modified anti UV & anti IR coating with ability to block both radiant & conductive heat. Star Heat Shield, can effectively keep indoor environment cooler in summer & prevent heat loss in winter & is the ideal choice for retro fitting existing insufficient glasses.Star Heat Shield Is an innovative & must needed product for green buildings & smart homes including Energy efficient buildings & also on windshield of cars & other automobiles. By using star Heat shield, we can reduce the inside temperature by approx 20oC in peak summers. It is an energy saving & Cost effective alternate to dark window films & costly energy efficient windows.