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Green building simulation in construction is the use of specialized tools and software to analyze, evaluate and optimize the design of buildings to ensure sustainability and energy efficiency. This process helps architects, engineers and designers predict the performance of buildings, thereby providing appropriate solutions to minimize environmental impact, optimize resource use and improve the quality of living space.
1. Passive Design Analysis
Passive design is the foundation of a sustainable building. Passive design prioritizes the use of natural elements to reduce dependence on mechanical and electrical systems. Building simulation supports passive design in the following aspects:

Figure 1 Heat Gain simulation model of Hue Square building project

Figure 2 Simulation of glass installation options for DAT Office Tower project

Figure 3 Hydrodynamic model for Landmark 81 project

Figure 4 Monthly Energy Consumption and Solar Gain Calculation Model

Figure 5 Solar heat gain simulation model for Starlake Urban Complex project


Figure 6 Simulation model of glazing options for passive ventilation analysis
Passive design ensures that your building operates efficiently while reducing long-term operating costs and environmental impact.
2. Integrated Process (IP)
Integrated Process is a collaborative, systems-based approach that improves project performance and cost effectiveness. Building simulations enable:

Figure 7 Solar Analysis Model through Baseline Design

Figure 8 Rainfall data information

Figure 9 Analysis of energy consumption options through building envelope, lighting and air conditioning systems

Figure 10 ARDOR Green analyzes energy saving options based on basic design for investors
By adhering to the requirements of LEED's Integrated Process, ARDOR Green ensures your project achieves superior performance from day one.
3. Energy & Atmosphere (EA):
Energy consumption is a key factor in green building design. ARDOR Green provides energy simulations that comply with ASHRAE 90.1-2010 standards, helping you achieve LEED certification. Key aspects include:

Figure 11 ASHRAE Insulating Glass Standard 90.1-2010

Figure 12 Thermal insulation standards of building materials according to ASHRAE 90.1-2010

4. Indoor environmental quality (EQ)
Indoor space directly affects human health and productivity. ARDOR Green focuses on optimizing indoor environmental quality through:

Figure 13 Model simulating the amount of natural light in the building
A healthy indoor environment not only promotes occupant satisfaction but also improves productivity and mental health.
How does the ARDOR Green team support green building certification?
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What this means for our clients: A more efficient LEED review timeline, with approvals completed significantly faster than the standard review process. Direct and enhanced engagement with the GBCI review team, enabling complex issues to be reviewed and resolved through focused, one-on-one discussions. Independent recognition of ARDOR Green’ established expertise in LEED project administration, reflecting the firm’s high standards in design quality and documentation.
The realization of benefits associated with LEED starts with a transformation of the design process itself. Rather than treating credits as separate components on a checklist, an Integrative Process encourages project teams to identify synergies and interrelationships across multiple categories. By conducting early research and analysis during the "discovery" phase, teams can implement specific building features that "stack" points, achieving high levels of performance and cost-effectiveness.
In recent years, green finance has often been cited as the key that enables Vietnamese enterprises to access international markets. However, the broader picture of the construction industry reveals a far deeper transformation: the world is not merely changing how capital is allocated, but is fundamentally restructuring the entire industry toward low emissions, advanced technology, and data transparency.
At the Vietnam Sustainable Construction Forum (VSCF) 2025, a national-level event welcoming more than 500 delegates from government agencies, businesses, industry experts, and international organizations, ARDOR Green was honored as the only design consultancy among 17 pioneering enterprises recognized for sustainable development in Vietnam’s construction industry.