“ENERGY in BUILDINGS” is an International Conference that will take place for the tenth 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 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 11, 2023 at the GRAND HYATT ATHENS Hotel, 115 Syngrou Avenue, Athens.

The latest schedule can be downloaded HERE

ASHRAE Hellenic Chapter organises a Career Day during EinB2023

In order to register follow the link below. There is no registration fee for “Energy in Buildings” but you must register in order to attend the conference.



Prof. Aleksandar Andjelkovic

Director of Energy Innovation Center, Head of Thermal Engineering Chair and Laboratory, Faculty of Technical Sciences, University of Novi Sad, Serbia
A Smart Solution for Managing Indoor Environmental Quality Performance

Dr. Constantinos A. Balaras

Mechanical Engineer, FASHRAE, Research Director, Institute for Environmental Research & Sustainable Development, National Observatory of Athens, Greece
Sustainable Mediterranean Cities

Theofanis Bobotis

Architect, Project Manager, Legal Representative of Bobotis+Bobotis Architects, Athens, Greece

The Relationship Between Humans and Space through Regulations

Dr. Alexandros Eftaxias

Environmental Engineer, Co-founder act4energy P.C. spin-off company of Democritus University of Thrace
Bio Trickling Filter: An Environmentally Sustainable Solution

Prof. Doaa M. El-Sherif

Director of the Urban Training and Studies Institute (UTI)
Achieving Human Thermal Comfort in Buildings through Architectural Passive Design

Prof. Panos Fitsilis

Software Engineer, University of Thessaly, Dep. Of Business Administration, Larissa, Greece

Resilient Officers' Job Profile for Smart Cities. The CRISIS Project

Christos Gekas

Mechanical Engineer NTUA, ΑS Spec In & Academy Asst. Manager
Efficient Energy Management in Variable Refrigerant Flow Systems through Artificial Intelligence

Sheila Hayter

2018-2019 ASHRAE President, Distinguished Lecturer, Laboratory Program Manager at National Renewable Energy Laboratory
Renewable energy systems integration in Buildings

Elena Kafourou

Civil Engineer, Director and Founder at BIO-SY-MO, Athens, Greece, Head of Sustainability at Ballian Techniki S.A.
Applications of LEED in Project’s Execution

Dr. Ekaterini E. Kriezi

Civil Engineer, Global application expert, Danfoss A/S

Integrated Energy Systems with CO2 as Refrigerant

Prof. Rania Labib

Director of the Artificial Intelligence for High Performance Buildings Lab at Prairie View A&M University
Supercharging Traditional AI Models: Combining Physics-based Neural Networks with Optimization Methods for Enhanced Building Performance Simulations

Stelios Lampadakis

Mechanical Engineer – HVAC Consultant
Indoor Air Quality the Phenomenon of Sick Building Syndrome Health and Productivity Impacts, HVAC Solutions

Dr. George Leoutsakos

Deputy Engineering Director, Elliniko Metro SA, Athens, Greece

Effective Decarbonization of Metro Stations and Tunnels, using Energy Return to the City Grid – 20 kV and Smart Hybrid Energy Storage Systems (HESS)

Aristotelis Lymperopoulos

Director of Industrial Development at DEMO SA., Kryoneri Athens, Greece
Case Studies of Reduction in Energy Consumption in Pharma Industry

George Paidakakis

Partner, Head of Energy at KBVL Law Firm, Deloitte Legal Network

Energy Rules for Buildings in the EU and Greece: Keeping Pace with Change

George Pantelidis

Mechanical Engineer, NTUA, MSc, EUREM, Member ASHRAE · ASHRAE Course Instructor


George Papachristou

MASHRAE, MCIBSE, MEng, MSc, MRes, Principal Sustainability Consultant at Hoare Lea, Manchester, United Kingdom
Introduction to Net Zero Carbon

Alexandra Papantonopoulou

Electrical Engineer, Co-Founder & Professional Lighting Applications Sales Manager at Sielight PC, Athens
Achieving Buildings Sustainability through Effective Lighting - Best Practices

Achilleas Patsiouras

Mechanical & Aeronautical Engineer, Executive M.B.A., Wilo Hellas SA, Applications, Marketing & Training Engineer

Smart Circulators: Control Functions for HVAC Applications

Gerasimos Reppas

Mechanical Engineer MSc, Accounting and Finance Economist, Senior Technical Manager at WOLF GmbH, Thessaloniki, Greece
Integrated Heating & Cooling Technology in AHU’s

Nikolaos Skordoulias

Chemical Engineer, Research Associate and PhD Candidate at Laboratory of Thermal Processes, School of Mechanical Engineering, NTUA

HYFLEXPOWER: Demonstration Project of Power-to-H2-to-Power Advanced Plant Concept

Alkis Triantafyllopoulos

ASHRAE Society Trainer & Head of Engineering at Menerga Hellas


Elena Xanthopoulou

Attorney at law, LL.M. International and European Energy Law, Lamnidis Law Firm, Athens, Greece
Carbon Capture and Storage: An Overview of the Greek Landscape