GB/T 51285-2018 in English

1. Background of standard formulation and analysis of technological evolution

In accordance with the requirements of the Ministry of Housing and Urban-Rural Development's "Notice on Issuing the 201 Asian Project Construction Standard Formulation and Revision Plan" (Jianbiao [20334 Il6% No.), the standard formulation team has formulated this standard after extensive investigation and research, careful summary of practical experience, and reference to relevant international standards and advanced foreign standards, and on the basis of extensive solicitation of opinions.

2. Comparison table of standard frameworks

3. Professional terminology explanation and practical application cases

4. Calculation method of building energy saving

• Bill method:By collecting the metering data of the meter, the energy consumption difference before and after the building energy-saving renovation is analyzed to determine the energy saving. Applicable to projects with complete energy consumption bills.
• Measurement method:By measuring the parameters related to energy consumption of energy-consuming equipment and systems before and after the building energy-saving renovation, the energy consumption difference before and after the renovation is obtained to determine the energy saving. Applicable to projects with stable operating conditions of energy-consuming equipment or systems.
• Simulation method:Use building energy consumption simulation software to simulate the energy consumption before and after the building energy-saving renovation to determine the energy saving. Applicable to projects where energy consumption bills cannot be obtained and energy consumption and related parameters cannot be measured.