Page 87 - Glass-Technology International no. 4-2019
P. 87

In this article

                                                            we take a look

                                                            at a new study


                                                            carried out by

                                                            TNO for Glass               5. A maximum saving po-
                                                                                          tential by 2050
                                                            for Europe,                 THE STUDY
                                                                                        FROM TNO
                                                            which shows                 The new study by the
                                                                                        Dutch scientific institute
                                                            how actionable              TNO, finds that nearly 30
                                                                                        per cent of Europe’s build-
                                                            and targeted                ing energy consumption
                                                                                        for heating and cooling
                                                                                        could be saved in 2030 if
                                                            policy measures             all Europe’s buildings were
                                                                                        equipped with high-perfor-
                                                            on glazing can              mance glazing. To Glass
                                                                                        for Europe, it is striking
                                                            already make a              to note that almost half of
                                                                                        these savings could be real-
                                                            huge difference             ised in as little as 10 years
                                                                                        should the renovation rate
                                                                                        of windows be doubled,
                                                            in 10 years, if             i.e. from 2 per cent to 4
                                                                                        per cent annually, and that
                                                            implemented                 newly installed windows
                                                                                        be equipped with high-
                                                            soon.                       performance glazing.
                                                                                        The study by TNO is a
                                                                                        quantification of both en-
                                                                                        ergy and CO2 savings
                                                                                        that can be realised for
                                                                                        heating and cooling of
                                                              the penetration of high-  buildings thanks to high-
                                                              performance heating and   performance glazing across
                                                              cooling equipment, etc.   the 28 EU Member States
                                                              The study is based on five   in both horizons 2030
                                                              different scenarios and for   and 2050. In addition to
                                                              each of them provides out-  full potentials, whereby all
                                                              put data for the 28 coun-  windows are equipped with
                                                              tries of the EU:          high-performance glazing
                                                              1. A 1 per cent window re-  across all EU buildings, it
                                                                placement rate in 2020  also simulates the impacts
                                                              2. A 10-year scenario ap-  of several window replace-
                                                                plying a 1 per cent win-  ment rates, all compared to
                                                                dow replacement rate    a baseline scenario.
           high-performance glazing   The study draws on recent   annually between 2020   Leo Bakker, author of the
           across all EU buildings, it   scientific sources to define   and 2030          study and Façade expert
           also simulates the impacts   input parameters such as   3. A maximum saving po-  at TNO, explains: “This
           of several window replace-  today’s Europe building   tential by 2030        study is an update of stud-
           ment rates, all compared to   stock and performance, the   4. A 1 per cent window re-  ies realised by TNO on the
           a baseline scenario.     evolution in the energy mix,   placement rate in 2030  same topic a decade ago.




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