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Lightweight switchable smart solutions for energy saving large windows and glass façades

Deliverables

Improved testing methodology and characterisation procedures for long-term performance assessment of EC/TC windows

Report on refined and improved characterisation metrology and test methodology to determine long term performance of energy smart windows to be made available to public as open access white paper or journal article

Fire testing results for optimised IGUs

Report on fire-safety testing results on Switch2Save IGU and (if required) suggestions for improvement

Technical data sheets and BIM file available

Preparation of technical datasheets and packages of “Building Information Modelling” (BIM) files of the Switch2Save IGUs that were integrated to the DEMO buildings. The package will be disseminated to potential users (architects, construction engineers) for promoting the Switch2Save solutions

Thermal performance of IGUs at component level

Report on thermal performance of the Switch2Save IGUs determined in measurements in the Mockup-Building at NTUA campus

Specification sheets for energy smart IGUs

Requirements from building design, comfort, safety regulations and building energy consumption directives will be translated to a technical specification sheet (report) including targeted transmission spectrum, color rendering index, weight, mounting aspects, consequences for materials use, etc.

Technical Documentation for EPD

Environmental Product Declaration Document (EPD) according to ISO 21930 for the Switch2Save Energy Smart IGUs

Full life cycle assessment of materials and components

Report on Environmental performance of the Switch2save IGUs including full end-of-life assessment; energy payback time (comparing energy used for producing the IGUs to energy saved through using it). The Report will further give guidelines for recycling of the IGUs and the respective components

Monitoring of the Hospital's clinic performance prior to the installation of IGUs

Report on Energy Demand data of the Hospital Clinics for one year based on the currently installed windows and balcony doors including temperature levels, energy consumption for heating and energy consumption for cooling

Key Performance Indicators (KPIs) for glass facade buildings

Report on performances of Switch2save IGUs involving KPIs relevant to large glass-façade buildings to support decision of building owners / construction companies to include Switch2Save Solutions to new buildings or in renovations

Specifications for virtual demonstration cases

Report with a definition and specification of representative virtual buildings for which the Energy Saving Potential of Switch2Save Technology will be modelled, calculated and optimised through active switching protocols.

Long term assessment of the visual comfort achieved by the IGUs

Report on visual comfort assessment of the Switch2Save IGUs determined in measurements in the Mockup-Building at NTUA campus

Monitoring of the Hospital's clinic performance after to the installation of IGUs: A comparison assessment

Report on Energy Demand data of the Hospital Clinics for one year after installing the Switch2Save windows and balcony doors including temperature levels, energy consumption for heating and energy consumption for cooling

Architectural design competition awardee selection

Report on the list of submitted projects to the design competition, selection criteria, evaluation results, and the winners

Toolbox of IGU configurations with energy saving data for various building typologies and climatic zones

Publicly available report proposed Energy Smart IGU configurations, switching protocol and simulated energy demand data for the Virtual Demo Buildings described in D7.5. The Report will as well include data to be used for design of buildings with standard architectural softwares (BIM Files / datasets for each of the proposed configurations)

Energy consumption and shading state of the office building before facade upgrades

Report on Energy Demand data related to the Position data of the external window blinds and the indoor illumination data of the Uppsala office building for one year based on the currently installed windows and window blinds including temperature levels, energy consumption for heating and energy consumption for cooling

Energy consumption, EC switching state protocols after facade upgrade including comparative assessment

Report on Energy Demand data related the indoor illumination data of the Uppsala office building for one year after installing the Switch2Save Façade elements including temperature levels, energy consumption for heating and energy consumption for cooling

Energy smart IGU fulfilling the specification of D1.1 with an U-value < 0.7 W/(m²K) and at least VLT modulation of 50% to 10% and g-value modulation from 30% to 15%; as well as < 2% weight increase compared to SoA low-E IGU (1st generation based on EC)

Prototypes of insulating glass units IGU that are equipped with both electrochromic and thermochromic materials fulfilling the specification of D11 The report to be submitted will include the electrical optical and thermal transport properties of the IGUs The IGU prototypes will be made visible to a wider public through Switch2Save Events conferences and trade fairs

Energy smart IGU fulfilling the specification of D1.1 with an U-value < 0.7 W/(m²K) and at least VLT modulation of 50% to 10% and g-value modulation from 35% to 10%; as well as < 2% weight increase compared to SoA low-E IGU (2nd generation TC & EC based)

Energy smart IGU fulfilling the specification of D1.1 with an U-value < 0.7 W/(m²K) and at least VLT modulation of 50% to 10% and g-value modulation from 35% to 10%; as well as < 2% weight increase compared to SoA low-E IGU (2nd generation system based on electrochromic and thermochromic system)

Uniform TC thin glass samples (<±5% deviation) with switching temperature < 30°C (within interval of ± 2K); and with VLT > 60% and Tsol ≥10%; TC thin glass device dimensions: 1000 x 300 mm² (sheets); 4000 x 300 mm² (rolls)

Operational thermochromic thin glass samples verified against the specification of D11

Energy efficient EC-device fulfilling D1.1 specification, VLT modulation < 10 % to > 70 %; g-value modulation <10% to 50% demonstrated on 1500 x 5000 mm²

Operational large-area electrochromic cells on polymer webs fulfilling the requirements of D1.1. The submittable report will include electrical parameters and performance data of the cells. The Demonstrator will be made available to the public through Switch2Save events and Conference or trade fair visits.

Project website

Report on the website structure, screenshots and first contents published

Publications

Pulsed Magnetron Sputtering of Strongly Thermochromic VO2-Based Coatings with a Transition Temperature of 22 °C onto Ultrathin Flexible Glass

Author(s): Tomáš Bárta, Jaroslav Vlček, Jiří Houška, Stanislav Haviar, Radomír Čerstvý, Jolanta Szelwicka, Matthias Fahland, John Fahlteich
Published in: Coatings, Issue 10/12, 2020, Page(s) 1258, ISSN 2079-6412
Publisher: MDPI
DOI: 10.3390/coatings10121258

Transfer of the sputter technique for deposition of strongly thermochromic VO2-based coatings on ultrathin flexible glass to large-scale roll-to-roll device

Author(s): Jiří Rezek; Jolanta Szelwicka; Jaroslav Vlček; Radomír Čerstvý; Jiří Houška; Matthias Fahland; John Fahlteich
Published in: Surface and Coatings Technology, Issue 1, 2022, ISSN 0257-8972
Publisher: Elsevier BV
DOI: 10.1016/j.surfcoat.2022.128273

Photochemical Precharging of Tungsten Trioxide for Enhanced Transmittance Modulation in Flexible Electrochromic Devices

Author(s): L. Brändler, L. Niklaus, M. Schott (corresponding), P. Löbmann
Published in: Advanced Materials Technologies, 2023, ISSN 2365-709X
Publisher: Wiley
DOI: 10.1002/admt.202201903

Energy Savings in an Office Building with High WWR Using Glazing Systems Combining Thermochromic and Electrochromic Layers

Author(s): Michaela Detsi, Aris Manolitsis, Ioannis Atsonios, Ioannis Mandilaras, Maria Founti
Published in: Energies, Issue 13/11, 2020, Page(s) 3020, ISSN 1996-1073
Publisher: Multidisciplinary Digital Publishing Institute (MDPI)
DOI: 10.3390/en13113020

Energy – Comfort – Environment: What matters most? A multi-criteria assessment of a residential apartment

Author(s): A Manolitsis; A Zacharis; I Atsonios; M Detsi; A Bonou; M Stamatiadou; I Mandilaras; M Founti
Published in: Crossref, Issue 5, 2022
Publisher: SBE-BERLIN-2022
DOI: 10.1088/1755-1315/1078/1/012098

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