In winter, people will feel cold when they are close to the low temperature window, which is because of the existence of cold radiation; in hot summer, the outdoor high temperature heat radiation passes through the glass, which makes the heat unbearable.

The application of LandVac tempered vacuum insulated glass can significantly reduce the heat exchange between indoor and outdoor, keep the indoor temperature in a comfortable state for the human body, and avoid physical discomfort caused by excessive temperature difference.