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Learning programme  Thermal bridges calculation
Goals/Objectives
Total number of hours 14 Total number of credits  N/A
Minimum EQF for participants 6
Pre-curriculum conditions  Basic knowledge about building thermal insulation methods and solutions. Knowledge on basic terms and definitions, e.g. heat transfer coefficient (U-value), heat conductivity coefficient. 

 

Learning Outcomes

 

Learning unit/ topic Knowledge Skills Responsibility & autonomy
1 Introduction to heat transfer in buildings and thermal bridges 
Advanced knowledge on the building physics related to the heat transfer through external partitions.

Thermal bridges: problem definition and consequences for building exploitation.

 Advanced skills required to understand the phenomenon of thermal bridges. Taking responsibility for formulating a  logical procedure/sequence of  work with reference to  

thermal bridges..
2 Thermal bridges – types and their impact, methods of identification and assessment
Advanced knowledge on various types of thermal bridges and on their impact on the energy losses in building. 

Advanced knowledge on different methods of identification of thermal bridges and the assessment of the extent of the problem in a particular case.

 Advanced skills required to identify thermal bridges in a construction, their proper classification and selection of calculation formula(s) for assessment of their impact on energy losses in building.  Taking responsibility  for proper identification of thermal bridges in a building and selecting appropriate calculation and identification method. Assessment if actions need to be undertaken.
3 Calculation of thermal bridges and the quantification of the effect of the countermeasures – practical examples
Advanced knowledge on the calculation formulas for heat transfer through different types of thermal bridges.

Advanced knowledge about calculation procedures and technical requirements

Advanced knowledge about technical solutions (technologies, materials, construction and mounting methods etc.) reducing the impact of thermal bridges. Knowledge on thermal bridge free design and technologies. 

Familiarity with typical mistakes made during construction.

 Advanced skills required to calculated energy losses through different types of thermal bridges. Advanced skills required to selecting and using tools (software) supporting calculations and hardware for thermal measurement (thermal imaging). Taking responsibility  for providing proper assessment and calculations on the impact of thermal bridges on heat losses in a building. 
4 Reducing influence of thermal bridges during design and construction phases, overview of legal acts and technical standards applying to nZEB.
Advanced knowledge regarding the improvements/repairs of existing thermal bridges and an assessment of its costs effectiveness.

Advanced knowledge of technical standards applying to thermal bridges. Knowledge of legal requirements related to thermal insulation of the buildings, especially nZEB.

 Advanced skills required to proposing and selecting technical solutions that minimize the effect of thermal bridges. 

Capability to assess and decide which insulation modifications in existing buildings are worthwhile. 

Advanced skills required to selecting appropriate technical standards and legal acts on building thermal protection.

 Taking responsibility for supporting stakeholders in selecting technical solutions that reduce impact of thermal bridges on a building energy demand;

Taking responsibility  for selecting appropriate technical standards and legal acts on building thermal protection, and application of their provisions to the engineering work.

Detailed content of the topic (module)

Learning unit/topic Teaching methods (classical, video presentation, ppt presentation) Type of activity (course, applied activity, practical activity) No. of hours
  1. Introduction
    1.  heat transfer in a building;
    2. thermal bridges: problem definition and consequences for building exploitation
 Ppt presentation Course 1
  1. Thermal bridges
    1. types & impact on the building energy demand;
    2. methods of identification, available tools;
    3. assessment of the extent of the problem.
 Ppt presentation Course 3
  1. Calculation of thermal bridges and the quantification of the effect of the countermeasures
    1. Calculation of thermal bridges – practical examples (e.g., balcony, exterior wall on a floor slab, surface foundation, windows);
    2. state-of-the-art technical solutions
    3. overview of typical practical mistakes and its consequences
    4. measurement workshop to visualize the effect of different thermal bridges
 Individual work of participants, discussion on results Practical activity (Workshop) 8
  1. Reducing influence of thermal bridges
    1. assessment of the costs and profits from repairing existing thermal bridges; 
    2. legal requirements and technical standards related to nZEB.
 Ppt presentation Course 2
Total no. of hours 14

 

References:

ISO 14683:2017 Thermal bridges in building construction — Linear thermal transmittance — Simplified methods and default values

ISO 10211:2017 Thermal bridges in building construction — Heat flows and surface temperatures — Detailed calculations

 

Contact the nZEB Ready partners to find out more about available trainings in: Bulgaria, Croatia, Poland, Portugal and Romania.

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