The room ventilation should be pay attention to in winter

Winter came, and for the warmth of indoors, doors and windows are tightly closed, air can not get a good flow of indoor pollution, making up several times or even 10 times outdoors. Because a lot of people like to stay indoors in winter, while the interior are often not sufficient oxygen and light, a variety of viruses, bacteria are likely to breed and multiply. Recommendation: The best window ventilation not less than twice a day, each less than 15 minutes, but because outdoor air is relatively cold, every time the ventilation should not be too long, up to 30 minutes. Heating with coal stove and the use of gas water heater family should pay more attention to install ventilation equipment. In addition, put a small and efficient indoor negative ion generator, for maintaining air circulation and fresh is also a good way. Vinegar can also be used on a regular basis fumigation, ozone, ultraviolet, or points, incense and other measures for indoor air disinfection.