“ENERGY in BUILDINGS” is an International Conference that will take place for the seventh consecutive year. It brings together Engineers, Architects, Stakeholders, Academia and Professionals of different disciplines that contribute and advance the state of art of the built environment. The Conference will host accepted papers and posters as well as presentations and workshops of invited speakers. There is no conference registration fee. The official language of the Conference is English.

The conference will take place on Saturday November 3, 2018 at the Wyndham Grand Athens Hotel, Megalou Alexandrou 3, Plateia Karaiskaki, Athens.

The latest “provisional” timetable can be downloaded here.
Please check for updates.

This year the Conference will host the thematic TESSE2B conference in the field of energy storage targeted to Energy Efficient Buildings. This thematic event will present and discuss current innovation in the Energy Storage field targeted to Energy Efficiency & Built Environment, focusing on integrated solutions for residential building energy storage by solar and geothermal resources. Results will be presented from the ongoing European project, as well as results from other projects in the area of energy storage (more).

The objective of this session is to provide an opportunity to exchange views on key areas of lighting, to present progress in technology and to discuss current and future challenges and perspectives. Areas of interest include, but are not limited to: Lighting technology, lighting sources, …

Read more here.

There is no registration fee, but all attendees must register for the conference following the link.
All attendees will be required to present their “Registration Ticket” either in paper or digital form at the conferences.

The steps for the registration are:
1) Go to the registration page.
2) Proceed by clicking on the conference pictures.
3)* Log in*, if you have already created a user account at the Hellenic Chapter, or subscribe to create one now.
4) On the “Membership Subscription” page select “ASHRAE Member” if you are a member of the Hellenic Chapter, else select “Speakers” or “Hellenic Chapter Guest”, depending on your participation.
5) Complete the form with your details and proceed.
6) Click on “Please proceed to Event Registration”
7) Proceed by clicking on the conference pictures.
8) Click on “BOOK now

November 3, 2018


Prof. Dr. William Bahnfleth

ASHRAE presidential member

Welcome speech

Dr. Constantinos A. Balaras

Director & Regional Chair, ASHRAE Region XIV

Welcome speech


President, ASHRAE Hellenic Chapter

Welcome speech

Rear Admiral Georgios Bamplenis HN

General inspector of the Hellenic Navy

Welcome speech

Prof. Dr. William Bahnfleth

Ph.D., P.E., FASHRAE, FASME, FISIAQ, ASHRAE President 2013-2014, Department of Architectural Engineering Pennsylvania State University

Thermal Energy Storage in the Era of Sustainability

Dr. Constantinos A. Balaras

Mechanical Engineer, FASHRAE, Research Director, Group Energy Conservation, Institute for Environmental Research & Sustainable Development, National Observatory of Athens, Greece

Building and Urban Scale Transnational Multicriteria Sustainability Assessment Systems

Olympia Ardavani

Architect Engineer (MArch, NTUA), Environmental Engineer (MEnvSci, HOU), Lighting Designer, (Diploma, SBU-UCL), PHD (c) (HOU)

Utilization of Transgenic Plants, through Genetic Modification as Bioluminescent, for Outdoor Lighting



Dr. Ioannis Atsonios

Mechanical Engineer, Post-Doctoral Researcher at Lab. of Heterogeneous Mixtures and Combustion Systems, School of Mechanical Engineering, National Technical University of Athens, Greece

Comparative Techno-Economic Assessment between Conventional insulation and VIP for the Renovation of a Building Envelope

Dr. Evangelos Bellos

Post-doctoral Researcher at Thermal Department of School of Mechanical Engineering in National Technical University of Athens, Greece

Yearly Performance of a Cogeneration System with Nanofluid-Based Thermal Photovoltaic Coupled to a Heat Pump



Dr. Milena Blagojevic

Architect, Teaching Assistant, Department of Architecture, University of Florence, Italy

Historical Buildings Energy Efficiency – improvement and Empowerment

Dr. Alexandra Bonou

Civil Engineer, Post Doctoral Researcher, School of Mechanical Engineering, Lab. of Heterogeneous Mixtures and Combustion Systems, Zografou, Athens, Greece

Deep Renovation of a Residential Building - a Life Cycle Perspective

Prof. Dr. Murat Çakan

Asst. Professor, Faculty of Mechanical Engineering, Istanbul Technical University, Turkey

Analysis of Wind Catcher, Decorative Pool and Outlet Opening Combinations on Evaporative Cooling of Residential Interiors

George Dogkas

Physicist, PhD Candidate, Technological Education Institute of Sterea Ellada, Chalkida, Greece

Study of Heat Transfer in a Latent Heat Storage System using Salt Hydrates for Domestic Heating Applications

Dr. Rupesh Iyengar

Dr. Sc. (Sustainable Architecture), M. Sc. (Sustainable Design), B. Eng. (Mechanical)
Director, Services Consultants, India. Co-Founder, Index Workshop LLP, Singapore

Net Positive Energy Design

Stylianos Karatzas

Electrical Engineer, MSc in Operations Management, Ph.D. (c), Civil Engineering Department, University of Patras, Greece

An Energy Demand Flexibility Driven Risk Assessment Framework at Buildings & District Level

Stylianos Karatzas

Electrical Engineer, MSc in Operations Management, Ph.D. (c), Civil Engineering Department, University of Patras, Greece

Combining Business Processes with Energy Management: A Process Driven Building Energy Management Framework for Tertiary Buildings

Prof. Dr. Essam Khalil

ASHRAE Fellow, ASME Fellow, AIAA Fellow, Professor of Energy. Cairo University, ASHRAE Director at Large

Energy Efficiency in Smart Cities

Dr. Maria K. Koukou

Assistant Professor, Mechanical Engineering Department, Technological Education Institute of Sterea Ellada, Psachna, Evia

Experimental Performance Evaluation of a Small-Scale ORC Power Unit Working with Low Temperature Energy Sources for Power Co-generation

Dr. Stelios Krinidis

Postdoctoral Research Associate at Information Technologies Institute/ Center for Research and Technology Hellas (ITI/CERTH) 

Towards Occupancy Inference in a Smart Home Using Energy and Environmental Data Sources and Binary Classification Techniques 

Vasiliki Kyriakou

Architect Engineer, MSc. Energy systems, Doctoral candidate, Department of Civil Engineering Demokritos University of Thrace, Greece

Energy Efficiency in Heritage Buildings

Prof. Dr. Spiros Livieratos

Electrical Engineer, Associate Professor, School of Pedagogical and Technological Education Dept. of Electrical and Electronic Engineering, Athens, Greece

Energy Signature Model for Data Center Infrastructure


Christos Pagkalos

Research Assistant in Energy and Environmental Research Laboratory, Technological Education Institute of Sterea Ellada

Energy Analysis on Cascade Refrigeration CO2 Systems with Thermal Compression in Super Markets

Platon V. Pallis

Mechanical Engineer, M.Sc. Ph.D (c), Senior Researcher at Laboratory of Steam Boilers & Thermal Plants, National Technical University of Athens

Cost Effectiveness Assessment and Beyond: a Study on Energy Efficiency Interventions in new Greek Residential Building Stock

Dr. Ioannis F. Panagiotopoulos

Electrical & Electronic Engineer

Corporate Social Responsibility and Lighting Design




Prof. Dr. Vassilis P. Panoskaltsis

Department of Civil Engineering, Demokritos University of Thrace, Greece

Energy Efficiency in Heritage Buildings

Ioannis Rammos

Architect UTH, Environmental Design of Cities and Buildings MSc HOU

Multicriteria Analysis on the Energy Upgrade to nZEB of Traditional Buildings in Mountainous Areas

Ioannis Stamatiou

Electrical and Computer Engineerm, Environmental Design of Cities and Buildings MSc HOU

How Sustainable are Hotel Rooms? Estimating Sustainability Factors

Andrés Sepúlveda

Chemical Engineer IFL MBA, Madrid Politechnic University, Commtech Commissioning Services CEO, Madrid, Spain

Commissioning Management for High-Performance Buildings

Raul Simonetti

HVAC/R Corporate Business Manager at the HVAC/R Knowledge Centre of CAREL Industries SpA, Brugine, Italy

Optimising Efficiency at System Level

Prof. Dr. Maria Venieri

Department of Philosophy & Social Studies, University of Crete

Can Machines be Conscious




Dr. Christos Vlachokostas

Mechanical Engineer, Board Member Technical Chamber of Greece/Region of Central Macedonia

Motives and Tools to Enable Citizens to Become “Smart Consumers”: A “Socially-Oriented” Approach Towards Smart Energy Consumption In Buildings

Prof. Dr. Theocharis Tsoutsos

Head, Renewable & Sustainable Energy Lab, School of Environmental Engineering, Technical University of Crete

Standardization for Supporting Decision Making in Tertiary Sector Buildings Energy Efficiency Renovations

Prof. Douglas Zentz

Associate Professor, Program Coordinator for the HVACR Programs within the College of Engineering Technology at Ferris State University

ASHRAE Standard 189.1 – “Standards for the Design of High Performance Buildings; except Low-Rise Residential”


Aniol Esquerra Alsius

Mechanical Engineer, Master in Environment and Clean Energies, Master in Technology and Perception


Thermal Energy Storage Systems: TESSe2b demo site in Spain

Prof. Dr. Tomasz Bakon

Electrical Engineer, Assistant Professor at Faculty of Production Engineering, Warsaw University of Life Sciences, Poland


External Factors and Efficiency of Thermal Energy Storage System

Mgr. Barbora Blaškovičová

Project Manager, Legal & Intellectual Properties Specialist, FENIX TNT s.r.o., Czech Republic


Thermal Energy Storage in H2020 Projects

Prof. Dr. Luis Coelho

Assistant Professor at the Mechanical Engineering Department of Escola Superior de Tecnologia of Polytechnic Institute of Setúbal


Study of the Application of the Thermal Energy Storage in an Office Building

Adam Dicken

Chemical Engineer, AMIChemE, Phase Change Material Products Ltd


Innovative uses of Phase Change Materials (PCMs) for Renewable Heating & Cooling

Mag. Heiko Gaich

Junior expert in Hydrogeology at Geoteam Ges.m.b.H., Graz, Austria


Borehole heat exchangers using PCM technology



Dr. Maria K. Koukou

Assistant Professor, Mechanical Engineering Department, Technological Education Institute of Sterea Ellada, Psachna, Evia


Development of Heat Exchangers and PCM Tanks for Heating, Cooling and Domestic Hot Water (DHW) at Tesse2b Conference

Theoni I. Oikonomou

Energy and Environment Physicist, M.Sc., Solar Thermal Systems Dpt, CRES


Solar Thermal Systems’ Innovative Concepts for Residential Buildings

Dr. Olympia Polyzou

Mining & Metallurgical Engineer, Geothermal Dptt of the Center for Renewable Energy Sources and Saving, Pikermi, Greece


Financial & Market Analysis of TESSe2b Solution


Dr. Spyridon Karytsas

Economist, Geothermal Dpt. of the Center for Renewable Energy Sources and Saving, Pikermi, Greece


Financial & Market Analysis of TESSe2b Solution

Prof. Dr. Constantinos Sourkounis

Head of Power Systems Technology at the Faculty of Electrical Engineering and Information Technology Ruhr-University Bochum, Germany


Control and Monitoring System for High Energy and Cost Efficiency

Dr. Amâmdio Rebola

Mechanical Engineering, Researcher of H2020 TESSe2b project at Instituto Politécnico de Setúbal, Setúbal, Portugal


Assessment of the Influence of the Thermal Properties of the Grout Backfill Material on the Heat Exchange Process of Geothermal Boreholes

Efstratios Varvagiannis

Mechanical Engineer, Research Assistant in Laboratory of Steam Boilers & Thermal Plants, National Technical University of Athens


HYBUILD: Integration of Energy Storage Systems in a Heat Pump

Olympia Ardavani

Architect Engineer (MArch, NTUA), Environmental Engineer (MEnvSci, HOU), Lighting Designer, (Diploma, SBU-UCL), PHD (c) (HOU)


Lighting Workshop: Experimenting in lighting design using light fixtures in a real space

Olympia Ardavani

Architect Engineer (MArch, NTUA), Environmental Engineer (MEnvSci, HOU), Lighting Designer, (Diploma, SBU-UCL), PHD (c) (HOU)


Simulation of Daylight Penetration through Roof Openings with varying Geometrical Data Relations, in a Small Industrial Building in Greece: Evaluation of Photometric Results (Poster 1 &2)

Angeliki Boumpopoulou

Electrical and Computer Engineering, Lighting Design MA, Supervisor in Execution of Projects, Technical Department, Municipality of Kalamata City, Greece


About Stage Lighting in the Theatre: The Use of Led Lanterns on Lighting Performance Spaces – Stage Spaces (Go Green)

Anastasios Boutzikas

Architect Engineer UTH, M.A. Lighting Design & Multimedia


Daylight and Transparency: Architectural Spaces’ Qualitative Features Related to Daylight Through Materials’ Form and Structure

Dr. Lambros T. Doulos

Post-Doctoral Researcher, Dpt. of Architecture, University of Thessaly, Volos, Adjunct Professor, Hellenic Open University, School of Applied Arts Greece, Researcher, Photometry Lab, NTUA


How the Economic Viability of Redesigning the Lighting System is Affected in A Typical Classroom in Greece by Lighting Design and Daylight Zones

Eleftheria Florou

Architect AUTH, MSc Lighting Design MA HOU


The Use of Lighting as a Tool to add Familiarity to a Space–The Example of a Hotel

Christina Gkazgka

Electrical Engineer, Lighting Designer


Daylight as Basic Parameter on Lighting Design in Tunnels with Vertical Openings

Myrsini Kopanari

Engineer of Restoration and Renovation of Buildings, Lighting Design MA


Urban Micro Space Lighting: The Case of Folegandros Fortress

Evangelos Manolis

Lighting Design & Multimedia MA, Sales Director, Capture Visualisation AB, Gothenburg, Sweden, Sales Director, AtlaBase Ltd, Athens, Greece


Statistical Distribution of Luminous Efficacy of Office Luminaires 

Andreas Papalambrou

Electrical Engineer, Light Designer


Studying, Managing and Planning Areas Protected from Light Pollution. The Case of Planning Greece’s First National Dark Sky Park

Evangelia Rentziou

Photography and Audiovisual Arts, MA Lighting Design


Retail Lighting Design: Consumer Approach Techniques



Athina I. Samiou

Architect Engineer A.U.Th., M.Sc. Environmental Design of Buildings, M.A. Lighting Design-Multimedia


Assessment of Daylighting Design Strategies in Preschool Buildings

Hara Sigala

Architect NTUA, MSc Light and Lighting UCL, Adjunct Professor Hellenic Open University


Lighting and Well-Being of Employees in Healthcare Buildings

Nikolia Zacharaki

Architect Engineer NTUA, MA Lighting Design, Hellenic Open University


The Contribution of Richard Kelly in 21stCentury Architecture through Lighting Design

Timos Daskalopoulos

Mining & Metallurgical Engineer, MBA, CEO Delphis Group, Athens, Greece


Refrigeration Applications with Transcritical CO2

Christos Gekas

Mechanical Engineer NTUA, AE Academy Supervisor, LG Electronics, Athens, Greece


AHU Systems combined with VRF Technology –  Applications and Benefits.

Athanasios Paliogiannis

Mechanical Engineer MSc., Sales Manager BSS & Projects, AHI CARRIER SEE SA


Chillers and Ecodesign



Emiliano Pellis

Mechanical Engineer, Export Area Manager, CLINT / G.I. INDUSTRIAL HOLDING SpA


New Chiller Generation: Technologies & Refrigerant Solutions for High Energy Efficiency and low Environmental Impact in Buildings

Elias Petsanas

Mechanical Engineer, Sales Manager at DELTA HEATING AIR-CONDITIONING LTD, Athens, Greece 


Optimum Cost Reduction Through an Advanced HVAC System in Euphoria Resort, a Modern Hotel in Crete

Alkis Triantafyllopoulos

Mechanical Engineer, Vice President, ASHRAE Hellenic Chapter


HVAC systems for Hyper - Efficient Buildings