What blinds can meet most people’s needs? Dimming requirements Controlling light is the primary functional factor for most users to choose sun protection products. Filter or block sunlight according to the requirements of different spaces. Temperature control Well-insulated shade products can reduce energy consumption because users do not rely on air conditioning or heating to control the temperature of the room. In winter, heating costs can be saved by up to 49%. In summer, up to 60% of refrigerator costs can be saved.