REHVA Course: In-Situ Monitoring of Transmission and Solar Heat Exchange Through Building Envelope

  • When: 22 May 2022
  • Event type: Seminar

Coming up at CLIMA, one of the 2 exclusive courses

In-Situ Monitoring of Transmission and Solar Heat Exchange Through Building Envelope

Introduction to the training

During this course, after an introduction of the building as an energy system, the theoretical aspects of each topic such as the relevant heat transfer phenomena are introduced. Then, the science behind and the technical specifications of the instrumentation required tow monitor and measure the relevant parameters are explained. Finally, during a practical demonstration, the most important methods, procedures, and challenges to monitor those parameters are shown, using the relevant measurement instrumentation.

Target audience of the training

Building Engineers, Energy Auditors, Energy Advisors, Architects, Consultants, MSc and PhD Students, Researchers, Professionals, Home IoT System Companies, Home Energy Management Companies.

After this training you will:

At the end of this course, the attendee will be:

  • Acquainted with the general physics behind heating and cooling load calculations in buildings as well as yearly energy use for heating and cooling
  • Familiar with the relative effect of various heat flows on building’s energy usage.
  • Familiar with various forms of heat transfer in building envelope.
  • Familiar with a range and installation of temperature measurement instruments
  • Familiar with different types and installation of heat flux sensors
  • Familiar with different components and measurement instrumentation of solar radiation
  • Able to monitor heat flux, temperature, and solar radiation in a building.
  • Able to determine the thermal resistance of a building element according to ISO 9869.
  • Able to determine the thermal transmittance of a building element according to ISO 9869.
  • Able to determine irradiance on various surfaces.
  • Familiar with Photovoltaic module performance and monitoring principles.


  • Introduction to energy in buildings
  • Principles of energy balance in buildings
  • Estimations of heat flows through transmission, ventilation, infiltration , solar radiation and internal gains
  • Influence of façade design on energy demand
  • Fundamentals of various heat transfer mechanisms in building envelope.
  • Definition and theoretical explanation of thermal transmittance and thermal resistance
  • Temperature and Heat Flux measurement instrumentation
  • Installation guidelines for heat flux sensors and temperature sensors according to ISO 9869 and ASTM C1155 and ASTM C1046
  • Monitoring guidelines for heat flux and temperature based on ISO 9869
  • Calculation methods for thermal transmittance and thermal resistance based on ISO 9869
  • Practical demonstration of heat flux sensor and temperature sensor installation
  • Solar radiation fundamentals and definitions
  • Energy conversion in Photovoltaic modules and the basic relevant components.
  • Environmental measurement instruments
  • ISO 9060 Pyranometers and other Solar radiation measurement instrumentation.
  • How to mount a pyranometer and what considerations to take during the installation
  • Recommended practices for maintaining the solar sensors during the monitoring period
  • Practical demonstration of solar radiation measurement instruments installation


Arash Rasooli

Dr. Ir., REHVA, EKO Instruments, Delft University of Technology

CLIMA 2022 HVAC World Congress | Meet the committees

Coordinator of REHVA Community of Young Professionals

R&D Specialist on thermal analysis and monitoring instruments

Guest researcher and lecturer at TU Delft

Arash Rasooli is an R&D specialist at EKO Instruments. His work is related to heat flux and thermal conductivity measurement instrumentation. After obtaining his MSc in mechanical engineering at Delft University of Technology (TU Delft), he obtained his PhD in chair Building Energy Epidemiology, also at TU Delft. His PhD research was on in-situ determination of buildings’ thermo-physical characteristics related to theoretical, computational, and experimental investigation of heat transfer in building components. In 2016, Arash won the national TVVL, REHVA International, the and HVAC world student competitions with 1st place. Today, he is also the coordinator of RCYP (REHVA Community of Young Professionals) and a guest researcher and lecturer at Delft University of Technology.

Mario Po’

Dr. Ir., EKO Instruments

10+ "Mário Pó" profiles | LinkedIn

R&D Specialist on solar and meteorological monitoring instruments at EKO Instruments.

Mario Po’is an R&D specialist at EKO Instruments His work focuses on solar radiation monitoring instruments and the performance assessment of solar photovoltaic devices. In 2011 he graduated from the Faculty of Sciences of the University of Lisbon with an MSc in Energy and Environment Engineering. In 2017 received his PhD in Sustainable Energy Systems from the MIT-Portugal doctoral program at the University of Lisbon; the thesis topic addressed a novel method of manufacturing silicon sheets for solar cells at a lower cost. At EKO Instruments he has been active in research projects concerning solar energy metrology and forecasting.

Laure Itard

Prof. Dr. , Delft University of Technology

Woningdiagnoses kunnen nog veel beter'

Chair Building Energy Epidemiology at TU Delft

Vice President of CLIMA 2022 World Congress

Laure Itard is Professor of Building Energy Epidemiology at the faculty of Architecture and  the Built Environment, Department AE+T. She has a background in thermodynamics and has been working since 2004 at Delft University of Technology (TU Delft). She studied in France and got her PhD in 1998 at the faculty of Mechanical Engineering of TU Delft on research on high efficiency  wet-compression-resorption heat pumps. In between she has worked for several years as consulting engineer and software developer at Deerns B.V. in the field of energy and buildings. She was also Professor of applied sciences at The Hague University of Applied Sciences, research group Energy in the Built Environment for 8 years. Her field of expertise is performance analysis, diagnose and optimization of energy systems in operation, at the level of buildings and the building stock and the combination of systems’ engineering and modelling with data-driven approaches. She is a REHVA fellow, and the vice president of CLIMA 2022 World Congress.

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