Abstract
Reasonable test, diagnosis, and analysis are meaningful for building energy efficiency retrofit and management. Energy consumption and greenhouse gas emission of a large-scale commercial building are described in this article. Basic information about energy consumption equipment is included in the investigation. Further diagnoses about the operational state of air-conditioning water systems, and ducted systems were implemented. Energy consumption decreased 200 kWh/m2 per year from 2007 to 2009 after energy-saving reconstruction in 2006. Next, a carbon audit was carried out; this comprised CO2 emission statistics associated with the energy use and categorization and structural analysis (categorization refers to energy categorization and structural analysis means the composition and its proportion relationship of all kinds of primary energy and secondary energy in energy production or consumption). Greenhouse gas emissions could be less than 150 kg/m2 per year from 2007 to 2009. An analysis of the correlation between CO2 emissions, building gross domestic product, and energy efficiency is also presented. This article makes an analysis on the energy utilization and energy-saving reconstruction of a public commercial building in Shanghai and then makes an analysis of carbon audit about greenhouse gas emissions related to energy utilization (it analyzes the status of building’s energy utilization and greenhouse gas emissions), to have a more comprehensive understanding on the internal relationship between energy consumption and its greenhouse gas emissions and provide researchful reference data for the development with reduction strategies of greenhouse gas emission in future building.
Highlights
The rapid growth in world energy use has raised concerns over supply difficulties, exhaustion of resources, and impact on environment
A carbon audit was carried out; this comprised CO2 emission statistics associated with the energy use and categorization and structural analysis
This article makes an analysis on the energy utilization and energy-saving reconstruction of a public commercial building in Shanghai and makes an analysis of carbon audit about greenhouse gas emissions related to energy utilization, to have a more comprehensive understanding on the internal relationship between energy consumption and its greenhouse gas emissions and provide researchful reference data for the development with reduction strategies of greenhouse gas emission in future building
Summary
The rapid growth in world energy use has raised concerns over supply difficulties, exhaustion of resources, and impact on environment. The need for detailed carbon auditing is pressing This energy consumption and greenhouse gas emission investigation included basic information about the building, operational records from energy consumption equipment, energy consumption of indoor equipment, energy efficiency assessment of energy consumption systems and equipment, investigation of the behavior of energy-saving measures, and so on. Energy consumption and greenhouse gas emission statistics for a typical commercial building. The electricity consumption equipment includes a heating, ventilation, and air-conditioning (HVAC) system; lighting system; elevators and escalators; water supply and drainage; and so on. With the rapid growth of building GDP from 2005 to 2008, carbon dioxide emissions increased at a faster rate.
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