To insulate windows for summer, apply weather stripping to seal gaps and use reflective window film to block heat. Thermal curtains or shades can further help keep the heat out, reducing the need for air conditioning and lowering energy bills. Proper insulation can make your home more comfortable during hot weather.

Insulating windows for summer involves using reflective film and thermal curtains to block heat. Weather stripping seals gaps to prevent warm air from entering, reducing cooling costs and making your home more comfortable in hot weather.