?? After the fresh air system by the host of fresh outdoor air filtration and purification, into the bedroom and the living room and other areas most in need of fresh air, but polluted indoor air by arrangement in the bathroom and hallway discharged to the outside air vents, and dirty air energy recycling, both provide a high quality indoor air, but also saves energy, energy-saving products is a green and healthy. Many of the benefits of fresh air system, the air flow through the organization of science, quantitative point on the indoor ventilation, not only to solve the above-mentioned "sick building syndrome", you can also bring benefits and the role of the following areas: ?? a) provide fresh air . 365 days a year, 24 hours a day to provide a steady stream of fresh air to the room, without windows can also enjoy the fresh air of nature, to meet the health needs of the human body. ?? 2) get rid of harmful gases. Effectively get rid of the smell fumes, CO2, cigarette smell, bacteria, viruses, and other unhealthy or harmful gases, to avoid the child at home, my wife and elderly people by secondhand smoke. ?? 3) Except mildew smell. Polluted air from the indoor humidity, eradicate odors, prevent mold and bacteria will help to extend the life of the building and furniture. ?? 4) to reduce noise pollution. Without having to endure the troubles caused by the window, the room quieter and more comfortable. ?? 5) and dust. Avoid windows bring a lot of dust, effectively filter the outdoor air, to ensure clean air into the room. ?? 6) to reduce energy consumption. Continuous operation throughout the year, electricity consumption may be less than your fridge PM2.5 removal methods, and exhausted to the outside air can be recovered in energy PM2.5, minimizes the summer or cold in winter and heat source losses, reducing the energy consumption of air conditioning. ?? 7) safe and convenient. Avoid windows property and personal security risks caused. Even if no one at home, but also to automatically fresh air ventilation. Indoor air quality pollution levels tend to be several times higher than outdoor air pollution sources even higher indoor roughly five categories: First, particulate pollutants, including from various organisms room supplies or dust, short fibers and hair; Second, building decoration materials, VOCs (volatile organic compound) paints and household chemicals release, such as formaldehyde, benzene, chlorinated hydrocarbons; three biological contaminants, including bacteria from decaying matter and pets metabolites fungi, viruses, they make people sick Townsend weak resistance of fresh air to help you remove the PM2.5, in addition pollen and dust mites can trigger allergic reactions in people with allergies; four daughters of radon and its decay, radioactive substances, it can directly induce cancer removal of fresh air PM2.5, which is the source of brick material and soil; five is the body's own pollution, including body odor and a few sporadic patients with access to public places, cross-infection through the air. These sources will produce different degrees of adverse effects on IAQ. Six outdoor air pollution, haze and PM2.5 seriously overweight. Townsend fresh air to help you remove the PM2.5, PM2.5 Zoucheng Hirono provided by the Shandong Environmental Engineering Environmental Engineering Co. Hirono. Hirono Shandong Environmental Engineering Co. (www.zdhjgc.com) is an industry leader in Shandong Jining, fans, ventilation equipment, over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Hirono leadership in environmental engineering staff warmly welcome all inquiries negotiations to create a wide field of environmental engineering a better future.