First of all, energy-saving doors and windows. From the literal perspective, we also know that its biggest feature is energy conservation and environmental protection. Some people say, where does it show the characteristics of energy conservation and environmental protection?　Its first characteristic is its structural characteristics. Because its structure promotes convenience and lightness, it occupies a small area and saves us a lot of raw materials for decorating doors and windows. This is one of its energy-saving and environmentally friendly features; it is selected It is an energy-saving sealing strip (I-ECO coated sealing strip). Its sound insulation effect is obvious, and it can basically cut off 40 to 50 decibels of noise. Even if you live in a street side community, you do n’t have to worry about sleep disturbance; The heat insulation of the room can effectively guarantee the normal temperature of the room, saving us a lot of unnecessary heating and air conditioning costs;　in addition, it also has a good ventilation effect, because of its good ventilation effect, our interior is always full Fresh air, with this feature, we no longer need to buy a ventilator to keep the indoor fresh air, with it we do not need to buy a ventilator, save the cost of buying a ventilator, but also The power system for driving the ventilator is saved, and some unnecessary electricity charges are saved. The above points are the characteristics of energy saving and environmental protection.