Is how to realize the energy saving building? It includes building design, building palisade structure, architectural lighting energy saving, hvac system energy saving, the application of renewable energy, etc. , now give you one by one analysis. 1. The architectural design. Use conditions of the site, the reasonable, building size, toward the window, floor and wall, Ground) Area ratio, building good sunshine, ventilation and lighting, and according to the need for shading facilities. 2. Building palisade structure. ( 1) Wall heat insulation. Using the masonry wall of heat preservation and heat insulation performance is good, such as aerated concrete block, concrete hollow block, ceramsite block, etc. Use light color decorative wall, such as heat insulation reflective coating, light color ceramic tile, etc. ; Using green walls, sunshade wall and ventilation wall, etc. ( 2) Roof insulation. The thermal insulation layer heat insulation, green plant, heat reflective coating, overhead ventilation, shading, etc. Metal roofing heat preservation cotton can be used to add layer between air and reflective insulation, greening heat insulation technology is particularly suitable for heavy ( Such as concrete) Roof. ( 3) Energy-saving glass. In our province, should choose shade type glass, shading coefficient should be less than 0. 6, including the reflective glass, Low E glass, and composed of these glass insulating glass and so on. 3. Building lighting energy saving. Building first should make full use of natural lighting, followed by using energy saving lamps and lanterns ( Such as LED lamps and lanterns) 。 Lighting energy-saving lighting, according to the requirement of scene to strengthen the work of local lighting, general average lighting, close to work outside the window should as far as possible use of natural lighting. Large public buildings should adopt intelligent control lighting energy saving system. 4. Building hvac system energy saving. Should choose efficient air conditioning unit and air conditioner, efficient fan, efficient water pump. High energy consumption of central air conditioning system, intelligent control technology and take careful management should be taken, in order to achieve maximum energy saving. 5. The application of renewable energy. At present, the construction of the most commonly used renewable energy is solar energy, including photovoltaic, solar hot water and so on.