Posted in: News

Summary of the hybridGEOTABS Project After more than 4 years working on the project this document is a summary of the context and overall objectives of the project (For the final period, include the conclusions of the action) This includes: What is the problem/issue being addressed? Why is it important for society? What are the overall objectives?   The European Union has set a path towards a decarbonised society in 2050. The European Green Deal aims to reduce the CO2-emissions by at least 55% by 2030. Heating and cooling of buildings constitutes a significant part of the energy use in Europe, and is therefore an important sector in the transition to this low-carbon society. hybridGEOTABS is an HVAC-concept that provides comfort in buildings in a clean and sustainable way. The core of the concept is GEOTABS: a combination of a geothermal system (GEO) and thermally activated building systems (TABS). TABS is a type of radiant heating and cooling emission system that is well-known for providing high thermal comfort. The heating/cooling pipes are embedded in the mass of the building elements (e.g. concrete floor slabs), therefore activating them as thermal storage. By turning entire floor or ceiling surfaces into heating and cooling systems, TABS can provide very low-temperature heating (as low as 22 - 28°C) and high-temperature cooling (as high as 15 - 22°C). These temperatures are close to the temperatures available in the shallow layers of the underground, which allows to operate geothermal (GEO) heat pumps at a very high efficiency. Moreover, in buildings with moderate cooling demands (e.g. in central and northern Europe), the underground temperatures can be directly transferred to the TABS via a heat exchanger, providing passive cooling at negligible energy cost. The geothermal source acts as a seasonal storage, from which heat is extracted in the heating season and injected again in the cooling season. This seasonal energy storage, combined with the short-term thermal energy storage in the TABS, enables an enhanced use of renewable energy. GEOTABS is the comfortable and sustainable core of the hybridGEOTABS system.

Read more

Posted in: News

It’s here! Our @hybridgeotabs Manual in print! and on our website! RENEWABLE AND STORAGE-INTEGRATED SYSTEMS TO SUPPLY COMFORT IN BUILDINGS: PRE-DESIGN AND CONTROL FOR HYBRIDGEOTABS PROJECTS After much effort and putting together the culmination of four years work on our H2020 project. Read about the history of GEOTABS, research and results, combinations of renewables, storage and GEOTABS to create a hybridGEOTABS building. There’ll be more happening - so keep a look out! Available on our website to download hybridgeotabs.eu/publications/guidebooks Thanks to everyone who contributed Authors: Wim Boydens, Lieve Helsen, Bjarne Olesen, Lukas Ferkl and Jelle Laverge Contributions from Hector Cano Esteban, lago Cupeiro Figueroa, Jan Drgona, Filip Jorissen, Damien Picard, Jan Drgona, Rana Mahmoud, Mohsen Sharifi, Josue Borrajo-Bastero, Lien De Backer, Pascal Simoens, Ongun Berk Kazanci, Rick Kramer, Josue Borrajo Bastero, lneke Schepens @iagocupeiro @kuleuven @boydens_engineering  @uceeb_cvut  @ugent @ugent_fea @dtudk @maastrichtuniversity Edited by Eline Himpe @himpeline Graphics manual design Cactus Creative Consultants Ltd. Kevin Little @rehva_hvac @spyridonpan Organising Publishing and Print #geotabs #hybridgeotabs #energysaving #renewables #groundsourceheatpumps #GSHP #climatecrisis #zerocarbon #DTU #maastrichtuniversity #KULeuven #CVUT #UCEEB #Boydens #UGent #HVAC #sustainabledesign #rehvahvac #rehva

Read more

Posted in: News

Our hybridGEOTABS Training Curriculum is now available on our website as webinars and slides Providing very comfortable and healthy buildings in an energy-efficient, sustainable and financially viable way, and ready to play in the smart grid?  hybridGEOTABS buildings offer huge potential to meet the key goals for buildings in the European green deal. Building-integrated radiant heating and cooling systems and geothermal heat pumps are a match made in heaven, enabling very high energy efficiencies and the flexibility of thermal storage, while providing freedom of space and high thermal comfort to the user. The hybrid combination of this GEOTABS concept with additional systems, enlarges the application field to a variety of mid-size and large buildings throughout Europe. The smart controller (a Model Predictive Controller) continuously optimises the real-life building performance and can govern the interaction with renewables and the grid. hybridGEOTABS refers to the efficient integration of the combination of GEOTABS (GEOthermal heat pumps with Thermally Activated Building Systems) and secondary heating and cooling systems in buildings, controlled using model predictive controls (MPC). This technology offers huge potential to meet heating and cooling needs throughout Europe in a sustainable way, while providing a very comfortable conditioning of the indoor space.  This training comes in two parts, How to exploit hybridGEOTABS which introduces the hybridGEOTABS concept and its key assets and is accessible for everyone fascinated by sustainable building, and, How to design and operate hybridGEOTABS which introduces the hybridGEOTABS concept and its main benefits and challenges, providing insights into the technical principles underlying the concept and the design.   The training is an outcome of an intensive collaboration between building and HVAC-designers, industry and academia throughout the EU in the hybridGEOTABS project (2016-2020) that is funded by the European Commission under the Horizon 2020 programme.   

Read more

Posted in: News

Design Decision Trees for Download This document provides decision trees for designing hybridGEOTABS and sizing the key components. The original document with the description of the methodology behind the decision trees is found in deliverable 2.5 of hybridGEOTABS project available on our website at hybridgeotabs.eu/technology

Read more

Posted in: News

  Our Training Curricula is available on YouTube We have completed our training sessions for public and professionals on hybridGEOTABS and systems. We shall be launching a specific Training Page on this website, but in the meantime you can download the slides for all of the following here: http://www.hybridgeotabs.eu/publications/presentations   The two set sof curricula are as follows: How to exploit hybridGEOTABS curriculum This training curriculum is targeting mainly business-oriented audiences organised in 5 modules - each of them covering a different topic - with a total duration of approximately 1hr 40min.   After the completion of this curriculum, attendees will be acquainted with hybridGEOTABS design principles and tools and understand the application of the hybridGEOTABS concept through real case studies. The curriculum also aims to familiarise the audience with the benefits that the developed systems could provide in a building, in terms of overall sustainability, IEQ, comfort and health. Additionally, they will become aware about the financial viability of the hybridGEOTABS concept and its suitability as a component in a smart city concept. No. TOPIC Description Duration Partner in charge G1 What is hybridGEOTABS? Introduction to the hybridGEOTABS concept and project 20 min UGent + BOY G2 hybridGEOTABS & comfort/health Impact of hybridGEOTABS systems on IEQ, comfort, productivity and health, incl. demonstration on the demo buildings 20 min DTU + MU G3 hybridGEOTABS & sustainability Presentation of the benefits of ’hybridGEOTABS from a sustainability point of view. Incl. demonstration buildings performance 20 min UGent G4 What you need to know about MPC! Introduction to MPC principles, design, and operational aspects 15 min KU Leuven G5 Costs and Benefits: People - Planet - Profit Market potential of hybridGEOTABS, including smartness and flexibility, LCC performance, CBA, PPP) 25 min EK G1-G5 recordings : https://www.youtube.com/playlist?list=PLe1LoLGwAFXz29YbH2xKI8CvUlqepFJNS G1-G5 Slides and links: currently in publications/presentations section as downloads     How to design and operate hybridGEOTABS curriculum This training curriculum is organised in 9+1 modules - each of them covering a different topic - with a total duration of approximately 11 hours. After the completion of this curriculum, attendees will be able to comprehend the hybridGEOTABS concept and understand its main advantages and challenges, along with the functionalities and operation of the different system components, gaining some insights on the application of these systems in different types of buildings. Also, they will be able to learn how to use the hybridGEOTABS tool (including hands-on exercises in module 10) and assess its outcomes, by applying it on the pre-design phase of a project or conducting a feasibility study.  No. TOPIC Description Duration Partner in charge D1 What is hybridGEOTABS? Introduction to the hybridGEOTABS concept and project 30 min + 15 min UGent + BOY D2 hybridGEOTABS & comfort/health Impact of hybridGEOTABS systems on IEQ, comfort, productivity and health, incl. demonstration on the demo buildings 20 min DTU +MU D3 hybridGEOTABS & sustainability Presentation of the benefits of ’hybridGEOTABS from a sustainability point of view. incl. demonstration buildings performance 20 min UGent D4 hybridGEOTABS challenges for designers, hybridGEOTABS design methodology and tools for feasibility study and pre-design Design challenges, principles and guidelines. Explanation of design methodology and application of hybridGEOTABS webtool (Building Efficiency Calculator) 90 min   UGent + BOY D5 MPC for HVAC-engineers Introduction to MPC principles, design, and operation tailored for HVAC-designers 20 min KU Leuven D6 Geothermal borefield design Design and operation aspects of the geothermal borefield 35 min GEOTER D7 Geothermal heat pump design Design principles for hybridGEOTABS buildings 42 min VIESSMANN D8 Thermally activated building systems Design principles for hybridGEOTABS buildings and alternatives for renovation projects 41 min Uponor D9 Model predictive control Introduction to MPC and the developed control algorithms, demonstration of implementation into software and hardware, incl. demonstration buildings 120 min KU Leuven & EK D10 Modelica Crash Course Introduction to Modelica and Dymola simulation methods through practical exercises 180 min + exercise KU Leuven D1-D9 recordings : https://www.youtube.com/playlist?list=PLe1LoLGwAFXz29YbH2xKI8CvUlqepFJNS D1-D9 Slides and links: currently in publications/presentations section as downloads D10 course details: https://agenda.kuleuven.be/en/content/modelica-crash-course      

Read more

Posted in: News

Seminar is now available to watch: youtu.be/oJ0E7FxUjZs Session presentations are available here: bit.ly/3aNNtdw   Update on EHPA online seminar: Technology Demonstrators: Heat Pump technology and processes of the future.   The aim of the event was to present 4 Demo Sites of innovative Horizon 2020 and Interreg projects that use Heat Pumps. Introduction by Serena Scotton (EHPA) hybridGEOTABS presentation by Wim Boydens (Boydens Engineering) REWARDHeat presentation Heat4Cool presentation by Antonio Mingo (Solintel) GeoAtlantic presentation by Lynda Mitchell (ALIenergy) A very interesting series of talks, well worth a watch to be informed about Heat Pump in Case Study buildings and the positive effects.  

Read more