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IsZEB Methodology

Integrated Evaluation for Smart and Energy Efficient Buildings

The IsZEB Methodology

The IsZEB Standard, through the initial version of its Evaluation Methodology, supports the analysis of the building at a wide and comprehensive range of levels, in terms of its construction and operation. More specifically, it examines the levels of:

  • Energy Efficiency
  • Intelligence (SRI)
  • Thermal comfort
  • Indoor air quality
  • Building Envelope Properties
  • Sound protection
  • Structural fire protection
  • Seismic protection
  • Waste Management

Harmonizing the methodologies of TOTEE, KENAK and SRI

Regulation of Energy Performance of Buildings (KENAK) and Technical Guidelines of the Technical Chamber of Greece are the basis for determining the EPBD in Greece. They include parameters and technical characteristics of the building envelope and its technical systems that produce, manage and consume energy, as well as define and evaluate the energy efficiency of the building. The European Directives on Energy Labelling and Ecodesign of Appliances regulate the energy efficiency of building equipment. Similarly, the European SRI (Smartness Readiness Indicator) methodology examines the smartness of a building from the point of view of the installation and technical evolution of its automation, in areas both within and beyond the CCNR, such as the installation of electric vehicle chargers and the interaction of the building with the electricity grid. In addition, it indirectly examines the energy efficiency of the building through the operation of its automation systems.

The IsZEB Standard incorporates in its assessment methodology the elements derived from the above guidelines and creates, through the specialized research and the expertise of its Partners, an optimized method for determining the energy efficiency and intelligence of a building with the following additional characteristics:

Α. Integration and categorization  of all major primary energy consumers of a building into the following sectors:

  •     Passive Design
  •     Heating
  •     Heating and cooling
  •     Mechanical ventilation
  •     Hot Water Usage
  •     Lighting system
  •     Electrical equipment
  •     Contribution of renewable energy

 

Β. Integration of Building Intelligence Assessment and identification of its interaction with the energy efficiency of the building

The innovation of the IsZEB Standard

The IsZEB standard is the first Greek Methodology for holistic assessment of energy efficient and intelligent buildings. The development of the Methodology was based on Greek and European methodologies. Furthermore, there is interaction with BIM technologies.

Benefits of the IsZEB Methodology

For every construction phase

Assessment of all building types in all phases (construction, reconstruction, operation)

Detailed analysis

Analysis of the existing situation and determination of potential optimization levels

Specialized knowledge

Contribution of founding partners to their expertise levels

Multilevel Evaluation

Integrating significant levels of construction and building operations under one brand

Upgrade scenarios

An easy and well-documented way of determining a building’s upgrade scenarios by calculating its energy efficiency

Dynamic Evolution

Dynamic evolution based on market needs

IsZEB Certify tool

Use of IsZEB Certify calculation tool for easy and efficient building assessments

Emphasizing Energy

Correlation of energy efficiency and RES use

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