Abstract: The subject of this project is the nanotechnologies of gas separation of the atmospheric air and creation of air separators and fire equipment that is based upon it (membrane and thermomagnetic). There were also plans to research and develop a technology for local suppression of fire by nitrogen separated from the air, as well as prevention of methane explosions in coal mines and spontaneous peat combustion by creation of nitrogen environment within them. The use of air separators would certainly be promising for use in residential sector, which is the area where over 70% of all fires take place. The methodology of this research is based on the properties of nitrogen that “block the activity of oxygen” in the air, as well as the “paramagnetic properties” of oxygen and “diamagnetic properties” of other atmospheric gases. The novelty of the proposed solutions is protected by patents registered in the Russian Federation for both, the membrane and thermomagnetic separators, as well as means of protection against spontaneous combustion of peat and methane explosions in coal mines. An undisputable advantage of use of nitrogen separated from air to suppress fire is the fact that unlike using water, the nitrogen does not harm the structure, electronics, or household goods.