Beijing: new and reconstruction of public buildings-West towards avoiding

Yesterday, the city has the option to publish public building energy-saving design standards ", on public buildings of glass curtain wall, insulation and air conditioning energy consumption for specific constraints, strict containment of amazing energy consumption. According to the survey, shopping malls, office buildings, star of these public building energy consumption to more than ordinary residence more than 10 times.

The public building energy-saving design standards "July, standard requested that, in future, the city of new and reconstruction of public buildings will try to choose the subject towards North-South or close to the main North-South, away from the winter cold winds blow in the room to the North and in the summer sun and longest westward. Personnel frequently access towards the North, East and West of the doors shall be such as to reduce cold door bucket into the facilities. Unit floor area greater than 300 square meters of buildings, each towards the window and transparent curtain wall must not exceed 70% of wall area.

In the business building, exterior wall thermal insulation system must be used, special circumstances may be used in the insulation. Balcony areas shall be interrupted thermal bridge and insulation measures. West and East of exterior window awning should also be facilities. Door and window boxes and wall, to fill with efficient insulation, thermal insulation effect of the difference should not be used instead of cement mortar.

In accordance with the requirements of the future in the city central heating of public buildings, the central heating temperature setting maximum may not exceed 27 ° c, the only body painting art classroom models are in a region, the hospital's operating room, delivery room and the hotel bathroom can be high limit is set at 25 ° c, highest adult wards can only be set to 20 degrees centigrade. Including hotel bedroom, other public building room temperature exceed 20 ° c.

According to this city related energy supply policy and standards requirements in the urban heating network and regional boiler room heating range, should give priority to the use of urban heating heating or air conditioning, driven except in rare circumstances, you may not use electric boiler and electric water heaters as direct heating of the primary heat source.

In addition, the new standard also requires public domestic hot water is necessary to give priority to the application of industrial waste heat, all domestic hot water supply temperature must not exceed 60 ° c. The meter also public buildings shall be multi-tariff metering, do TOU billing.