Newly certified Manufacturers Certification criteria

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Window frames

Window frames are a key component of high-performance windows, whether operable or fixed, single or multi-part units. In addition to carrying structural loads and ensuring airtight operation, the frame protects the glazing edge bond and contributes to the durability and long-term performance of the insulated glazing unit. Thermally optimized window frames with low Uf-values reduce heat loss and minimize thermal bridges at the glass edge and at junctions with the wall. Properly designed frames allow the insulation layer of the building envelope to continue seamlessly around the opening, supporting high interior surface temperatures, improved thermal comfort and condensation-free performance in energy-efficient and Passive House buildings.

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TypeEfficiency classMaterialUWClimate zonesDistance to nearest vendor (km)Date certifiedOpen type

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Manufacturers

Window system phB Timber / aluminium 0.80 W/(m2K) Cool, temperate 8486 km Sep 2019 Inward opening
Window system phB Timber 0.80 W/(m2K) Cool, temperate 8486 km Sep 2019 Inward opening
Operable phC PVC 1.00 W/(m2K) Warm, temperate 8523 km Feb 2023 Inward opening
Fixed phA GFRP 0.79 W/(m2K) Cool, temperate 6051 km Oct 2020 -
Operable phB GFRP 0.80 W/(m2K) Cool, temperate 6051 km Oct 2020 Inward opening
Fixed phA+ GFRP 0.80 W/(m2K) Cool, temperate 6915 km Feb 2025 -
Operable phA GFRP 0.79 W/(m2K) Cool, temperate 6915 km Dec 2024 Outward opening
Operable phB Aluminium 0.80 W/(m2K) Cool, temperate 1506 km May 2015 Inward opening
Operable phC PVC 0.80 W/(m2K) Cool, temperate 8423 km May 2026 Inward opening
Operable phB PVC 0.80 W/(m2K) Cool, temperate 8423 km May 2026 Inward opening
Operable phB Timber / aluminium 0.97 W/(m2K) Warm, temperate 1048 km Nov 2023 Inward opening
Operable phB Timber / aluminium 0.79 W/(m2K) Cool, temperate 1251 km Jan 2017 Inward opening
Operable phB Timber 0.99 W/(m2K) Warm, temperate 1048 km Nov 2023 Inward opening
Operable phB GFRP 0.79 W/(m2K) Cool, temperate 10000 km Mar 2019 Inward opening
Operable phB PVC 0.99 W/(m2K) Warm, temperate 490 km Oct 2024 Inward opening
Operable phB PVC 1.00 W/(m2K) Warm, temperate 490 km Oct 2018 Inward opening
Operable phC PVC 1.00 W/(m2K) Warm, temperate 490 km Jan 2021 Inward opening
Operable phC PVC 1.00 W/(m2K) Warm, temperate 490 km May 2018 Inward opening
Operable phB PVC 0.78 W/(m2K) Cool, temperate 490 km Sep 2017 Inward opening
Operable phC Aluminium 0.77 W/(m2K) Cool, temperate 9851 km Jan 2026 Inward opening
Operable phB Timber / aluminium 0.80 W/(m2K) Cool, temperate 9208 km Sep 2021 Inward opening
Operable phC Aluminium 0.75 W/(m2K) Cool, temperate 2216 km Oct 2020 Inward opening
Operable phB PVC 0.80 W/(m2K) Cool, temperate 9602 km May 2020 Inward opening
Operable phC Aluminium 1.00 W/(m2K) Warm, temperate 18 km Feb 2021 Inward opening
Operable phB Aluminium 1.00 W/(m2K) Warm, temperate 18 km Sep 2022 Inward opening
Operable phC Timber / aluminium 0.99 W/(m2K) Warm, temperate 1499 km Aug 2020 Inward opening
Operable phB PVC 0.78 W/(m2K) Cool, temperate 8065 km Dec 2017 Inward opening
Operable phB Aluminium 0.76 W/(m2K) Cool, temperate 10000 km Jun 2025 Inward opening
Window system phB PVC 0.99 W/(m2K) Warm, temperate 1327 km May 2023 Inward opening
Operable phA Timber / aluminium 0.78 W/(m2K) Cool, temperate 1499 km May 2011 Inward opening
Connection phB Timber / aluminium 0.63 W/(m2K) Cold 2718 km May 2023 Inward opening
Operable phB Timber / aluminium 1.00 W/(m2K) Warm, temperate 10000 km Mar 2024 Inward opening
Window system phC PVC 1.00 W/(m2K) Warm, temperate 1353 km Apr 2020 Inward opening
Window system phB PVC 0.81 W/(m2K) Cool, temperate 1353 km Mar 2020 Inward opening
Operable phB PVC 0.98 W/(m2K) Warm, temperate 9647 km Jun 2026 -
Operable phC PVC 1.00 W/(m2K) Warm, temperate 9651 km Nov 2025 Inward opening
Fixed phB Aluminium 0.79 W/(m2K) Cool, temperate 5535 km Feb 2026 -
Operable phC Aluminium 0.79 W/(m2K) Cool, temperate 5535 km Dec 2025 Inward opening
Operable phB PVC 0.79 W/(m2K) Cool, temperate 9207 km Jun 2023 Inward opening
Operable phC PVC 1.00 W/(m2K) Warm, temperate 10000 km Mar 2018 Inward opening
Operable phC Aluminium 1.00 W/(m2K) Warm, temperate 389 km Jun 2021 Inward opening
Operable phB Timber 1.00 W/(m2K) Warm, temperate 119 km Apr 2021 Inward opening
Operable phC Aluminium 1.00 W/(m2K) Warm, temperate 485 km Mar 2026 Inward opening
Window system phB PVC 0.80 W/(m2K) Cool, temperate 1638 km Jul 2026 Inward opening
Window system phB PVC 0.95 W/(m2K) Warm, temperate 1638 km Jul 2026 Inward opening
Operable phB Aluminium 0.80 W/(m2K) Cool, temperate 2108 km Mar 2020 Inward opening
Operable phC Aluminium 0.76 W/(m2K) Cool, temperate 10000 km Jun 2023 Inward opening
Operable phC Aluminium 0.97 W/(m2K) Warm, temperate 10000 km Jun 2023 Inward opening
Operable phC Aluminium 0.80 W/(m2K) Cool, temperate 1334 km Dec 2012 Inward opening
Operable phB Aluminium 0.76 W/(m2K) Cool, temperate 10000 km Oct 2024 Inward opening
Operable phC Aluminium 0.80 W/(m2K) Cool, temperate 1596 km Jul 2022 Inward opening
Operable phC Aluminium 0.79 W/(m2K) Cool, temperate 1596 km Dec 2014 Inward opening
Operable phB Aluminium 0.80 W/(m2K) Cool, temperate 1596 km Jul 2022 Inward opening
Operable phB Aluminium 0.80 W/(m2K) Cool, temperate 1596 km Nov 2024 Inward opening
Operable phA Timber / aluminium 0.80 W/(m2K) Cool, temperate 874 km Mar 2022 Inward opening
Fixed phA Timber / aluminium 0.80 W/(m2K) Cool, temperate 874 km Mar 2022 -
Operable phB Timber 0.80 W/(m2K) Cool, temperate 1197 km Mar 2016 Inward opening
Operable phB Timber / aluminium 0.80 W/(m2K) Cool, temperate 1197 km Mar 2016 Inward opening
Operable phB GFRP 0.80 W/(m2K) Cool, temperate 10000 km Nov 2025 Inward opening
Operable phB GFRP 0.80 W/(m2K) Cool, temperate 10000 km Nov 2025 Inward opening
Operable phB Timber 0.78 W/(m2K) Cool, temperate 1440 km Jan 2026 Inward opening
Operable phB Timber / aluminium 1.00 W/(m2K) Warm, temperate 426 km Mar 2024 Inward opening
Operable phB PVC 0.80 W/(m2K) Cool, temperate 1420 km Jun 2024 Inward opening
Operable phC PVC 1.00 W/(m2K) Warm, temperate 444 km May 2017 Inward opening
Operable phC Aluminium 0.79 W/(m2K) Cool, temperate 9629 km Oct 2020 Inward opening
Operable phB Timber 0.78 W/(m2K) Cool, temperate 1124 km Nov 2013 Inward opening
Operable phB Timber / aluminium 0.79 W/(m2K) Cool, temperate 1124 km Feb 2020 Inward opening
Fixed phA Timber / aluminium 0.78 W/(m2K) Cool, temperate 1124 km Feb 2020 -
Operable phB Timber / aluminium 1.00 W/(m2K) Warm, temperate 370 km Jun 2016 Inward opening
Operable phC Timber / aluminium 1.00 W/(m2K) Warm, temperate 233 km Jun 2017 Inward opening
Fixed phA GFRP 0.77 W/(m2K) Cool, temperate 8397 km Jul 2018 -
Operable phB GFRP 0.80 W/(m2K) Cool, temperate 8397 km Mar 2018 Inward opening
Operable phB Aluminium 1.20 W/(m2K) Warm 501 km May 2026 Inward opening
Window system phB PVC 1.00 W/(m2K) Warm, temperate 366 km Jul 2018 Inward opening
Operable phC PVC 1.00 W/(m2K) Warm, temperate 519 km Jun 2023 Inward opening
Window system phC PVC 0.99 W/(m2K) Warm, temperate 366 km Jul 2018 Inward opening
Operable phB Aluminium 0.78 W/(m2K) Cool, temperate 10000 km May 2019 Inward opening
Operable phC PVC 0.80 W/(m2K) Cool, temperate 1810 km Apr 2017 Inward opening
Operable phB Aluminium 0.80 W/(m2K) Cool, temperate 1250 km Nov 2020 Inward opening
Operable phC Aluminium 0.97 W/(m2K) Warm, temperate 490 km Oct 2018 Inward opening
Operable phC Aluminium 0.97 W/(m2K) Warm, temperate 1821 km Nov 2021 Inward opening
Operable phB Timber / aluminium 1.00 W/(m2K) Warm, temperate 353 km Aug 2019 Inward opening
Fixed phA PVC 0.75 W/(m2K) Cool, temperate 8398 km May 2021 -
Operable phC PVC 0.79 W/(m2K) Cool, temperate 8398 km Aug 2021 Inward opening
Operable phB PVC 0.77 W/(m2K) Cool, temperate 8398 km Jul 2021 Inward opening
Fixed phA PVC 0.59 W/(m2K) Cold 8398 km Apr 2021 -
Operable phA PVC 0.60 W/(m2K) Cold 8398 km Jul 2022 Inward opening
Operable phB Aluminium 0.80 W/(m2K) Cool, temperate 9207 km Oct 2024 Inward opening
Fixed phA Aluminium 0.78 W/(m2K) Cool, temperate 9207 km Oct 2024 -
Operable In Progress Aluminium 1.00 W/(m2K) Warm, temperate 1200 km Dec 2024 Inward opening
Operable phC Aluminium 0.79 W/(m2K) Cool, temperate 1200 km Jul 2025 Inward opening
Operable phB PVC 0.99 W/(m2K) Warm, temperate 2632 km Jul 2025 Inward opening
Operable phC Aluminium 0.80 W/(m2K) Cool, temperate 2712 km Sep 2024 Inward opening
Fixed phA Aluminium 0.76 W/(m2K) Cool, temperate 2712 km Oct 2024 -
Operable phA Timber / aluminium 0.78 W/(m2K) Cool, temperate 1510 km Mar 2012 Inward opening
Operable phB Timber / aluminium 0.80 W/(m2K) Cool, temperate 1510 km Mar 2012 Inward opening
Operable phB Aluminium 1.00 W/(m2K) Warm, temperate 219 km Jul 2024 Inward opening
Operable phB Aluminium 0.77 W/(m2K) Cool, temperate 9996 km Oct 2014 Inward opening
Operable phB PVC 0.79 W/(m2K) Cool, temperate 9996 km Sep 2019 Inward opening
Operable phB Timber 1.00 W/(m2K) Warm, temperate 426 km Apr 2021 Inward opening
Operable phB Aluminium 0.77 W/(m2K) Cool, temperate 1086 km Apr 2014 Inward opening
Operable phB Aluminium 1.00 W/(m2K) Warm, temperate 9411 km Aug 2025 Inward opening
Operable phB PVC 0.99 W/(m2K) Warm, temperate 2700 km Apr 2022 Inward opening
Operable phB Timber / aluminium 0.78 W/(m2K) Cool, temperate 1675 km Jan 2018 Inward opening
Operable phB PVC 0.99 W/(m2K) Warm, temperate 42 km Aug 2020 Inward opening
Operable phB PVC 0.99 W/(m2K) Warm, temperate 42 km Jul 2020 Inward opening
Operable phC Aluminium 1.00 W/(m2K) Warm, temperate 2234 km Jun 2021 Inward opening
Operable phC Aluminium 0.80 W/(m2K) Cool, temperate 2234 km Jun 2021 Inward opening
Operable phC Aluminium 0.80 W/(m2K) Cool, temperate 2234 km Jun 2021 Inward opening
Operable phC Aluminium 0.80 W/(m2K) Cool, temperate 2234 km Jun 2021 Inward opening
Window system phB PVC 0.80 W/(m2K) Cool, temperate 1353 km Nov 2022 Inward opening
Window system phB PVC 0.80 W/(m2K) Cool, temperate 1353 km Jul 2023 Inward opening
Operable phB PVC 0.80 W/(m2K) Cool, temperate 1936 km Mar 2013 Inward opening
Window system phB Timber 1.00 W/(m2K) Warm, temperate 17 km Jul 2023 Inward opening
Connection phA+ PVC / aluminium 0.42 W/(m2K) Arctic 1348 km Jul 2019 -
Window system phA Timber / aluminium 0.60 W/(m2K) Cold 1348 km Mar 2018 Inward opening
Operable phB Aluminium 0.75 W/(m2K) Cool, temperate 2351 km Sep 2019 Inward opening
Operable phB PVC 0.79 W/(m2K) Cool, temperate 8423 km Aug 2024 Inward opening
Operable phB Aluminium 0.68 W/(m2K) Cool, temperate 2351 km Feb 2021 Inward opening
Operable phB Aluminium 1.00 W/(m2K) Warm, temperate 11 km Nov 2019 Inward opening
Operable phB Timber 1.00 W/(m2K) Warm, temperate 280 km Jun 2016 Inward opening
Window system phB PVC / aluminium 1.00 W/(m2K) Warm, temperate 1967 km Mar 2026 Inward opening
Operable phB Aluminium 0.77 W/(m2K) Cool, temperate 10000 km Oct 2023 Inward opening
Operable phB Timber / aluminium 0.99 W/(m2K) Warm, temperate 9769 km Aug 2017 Inward opening
Operable phC Aluminium 0.99 W/(m2K) Warm, temperate 9769 km Mar 2019 Inward opening
Operable phB Timber / aluminium 0.79 W/(m2K) Cool, temperate 911 km Feb 2016 Inward opening
Operable phB GFRP 0.78 W/(m2K) Cool, temperate 9431 km Jul 2025 Inward opening
Operable phB PVC 1.00 W/(m2K) Warm, temperate 1394 km Aug 2019 Inward opening
Operable phC Aluminium 0.79 W/(m2K) Cool, temperate 1173 km Nov 2012 Inward opening
Operable phC Aluminium 0.80 W/(m2K) Cool, temperate 1173 km Dec 2012 Inward opening
Operable phA Timber / aluminium 0.79 W/(m2K) Cool, temperate 1499 km Nov 2013 Inward opening
Operable phC Aluminium 0.80 W/(m2K) Cool, temperate 10000 km Aug 2021 Inward opening
Operable phB Aluminium 0.95 W/(m2K) Warm, temperate 10000 km Oct 2021 Inward opening
Operable phB Timber / aluminium 0.76 W/(m2K) Cool, temperate 2108 km Feb 2020 Inward opening
Connection phB - 0.62 W/(m2K) Cold 2108 km Feb 2020 -
Operable phB PVC 0.78 W/(m2K) Cool, temperate 6117 km Oct 2016 Inward opening
Operable phB PVC 0.80 W/(m2K) Cool, temperate 1638 km Nov 2020 Inward opening
Operable phB Aluminium 0.80 W/(m2K) Cool, temperate 2349 km Aug 2022 Inward opening
Fixed phA Aluminium 0.79 W/(m2K) Cool, temperate 2349 km Aug 2022 -
Operable phB GFRP 0.99 W/(m2K) Warm, temperate 9711 km Sep 2025 Inward opening
Operable phC PVC 1.00 W/(m2K) Warm, temperate 444 km Aug 2023 Inward opening
Operable phC Aluminium 0.80 W/(m2K) Cool, temperate 9983 km Dec 2022 Inward opening
Operable phA GFRP 0.75 W/(m2K) Cool, temperate 10000 km Jul 2018 Inward opening
Connection phA GFRP 0.63 W/(m2K) Cold 10000 km Jul 2018 -
Operable phC Aluminium 0.80 W/(m2K) Cool, temperate 9625 km Sep 2019 Inward opening
Operable phB Aluminium 0.78 W/(m2K) Cool, temperate 9625 km Jul 2022 Inward opening
Operable phB Timber / aluminium 0.80 W/(m2K) Cool, temperate 9754 km Nov 2019 Inward opening
Operable phB Timber 0.99 W/(m2K) Warm, temperate 149 km Jun 2023 Inward opening
Operable phC PVC 0.99 W/(m2K) Warm, temperate 467 km Oct 2020 Inward opening
Fixed phA+ Timber / aluminium 0.76 W/(m2K) Cool, temperate 2127 km Jul 2014 -
Operable phA Timber / aluminium 0.80 W/(m2K) Cool, temperate 2127 km Jul 2014 Outward opening
Operable phA Timber / aluminium 0.73 W/(m2K) Cool, temperate 1251 km Mar 2014 Inward opening
Operable phC Aluminium 0.79 W/(m2K) Cool, temperate 1578 km Feb 2016 Inward opening
Operable phB Aluminium 0.79 W/(m2K) Cool, temperate 9772 km Sep 2023 Inward opening
Operable phB Aluminium 0.95 W/(m2K) Warm, temperate 9772 km Sep 2023 Inward opening
Operable phB Aluminium 0.97 W/(m2K) Warm, temperate 9772 km Feb 2024 Inward opening
Operable phB Timber / aluminium 0.80 W/(m2K) Cool, temperate 9772 km Apr 2022 Inward opening
Operable phB Timber / aluminium 0.80 W/(m2K) Cool, temperate 9552 km May 2022 Inward opening
Operable phB Timber 1.00 W/(m2K) Warm, temperate 155 km Apr 2024 Inward opening
Operable phB Timber 0.97 W/(m2K) Warm, temperate 1360 km Nov 2018 Inward opening
Operable phC PVC 0.99 W/(m2K) Warm, temperate 2880 km May 2025 Inward opening
Operable phB PVC 0.98 W/(m2K) Warm, temperate 2880 km May 2025 Inward opening
Operable phC Aluminium 0.99 W/(m2K) Warm, temperate 291 km Dec 2025 Inward opening
Operable phB Timber 0.99 W/(m2K) Warm, temperate 9552 km Jun 2020 Inward opening
Fixed phA Steel / aluminium 0.80 W/(m2K) Cool, temperate 1308 km Apr 2017 -
Operable phB Aluminium 1.00 W/(m2K) Warm, temperate 9768 km Jul 2024 Inward opening
Operable phB PVC / aluminium 0.80 W/(m2K) Cool, temperate 9268 km Mar 2020 Inward opening
Operable phB PVC 0.80 W/(m2K) Cool, temperate 1270 km Feb 2024 Inward opening
Operable phB - 1.00 W/(m2K) Warm, temperate 498 km Apr 2025 Inward opening
Window system phB PVC 0.80 W/(m2K) Cool, temperate 1390 km Mar 2022 Inward opening
Window system phB PVC / aluminium 0.80 W/(m2K) Cool, temperate 1390 km Mar 2022 Inward opening
Operable phB PVC 0.99 W/(m2K) Warm, temperate 29 km Jul 2016 Inward opening
Operable phB PVC 0.99 W/(m2K) Warm, temperate 5763 km Apr 2022 Inward opening
Operable phB PVC 0.78 W/(m2K) Cool, temperate 1320 km Jan 2018 Inward opening
Operable phB PVC 0.80 W/(m2K) Cool, temperate 1320 km Feb 2020 Inward opening
Operable phC PVC 1.00 W/(m2K) Warm, temperate 366 km Oct 2025 Inward opening
Operable phB Timber / aluminium 0.79 W/(m2K) Cool, temperate 9629 km Mar 2017 Inward opening
Operable phB Timber / aluminium 0.99 W/(m2K) Warm, temperate 9629 km Mar 2017 Inward opening
Operable phB Aluminium 0.98 W/(m2K) Warm, temperate 10000 km Jul 2026 Inward opening
Operable phB PVC 0.99 W/(m2K) Warm, temperate 2632 km Feb 2022 Inward opening
Operable phB PVC 1.00 W/(m2K) Warm, temperate 2632 km Dec 2023 Inward opening
Operable phC PVC 0.99 W/(m2K) Warm, temperate 2632 km Dec 2021 Inward opening
Operable phA Timber 0.79 W/(m2K) Cool, temperate 1499 km Apr 2013 Inward opening
Operable phC Aluminium 0.76 W/(m2K) Cool, temperate 9256 km Feb 2024 Inward opening
Operable phB Aluminium 0.80 W/(m2K) Cool, temperate 2967 km Dec 2019 Inward opening
Operable phB Aluminium 0.80 W/(m2K) Cool, temperate 2967 km Nov 2019 Outward opening
Operable phC Timber / aluminium 1.20 W/(m2K) Warm 10000 km Sep 2017 Inward opening
Operable phC Timber / aluminium 1.00 W/(m2K) Warm, temperate 10000 km Jul 2017 Inward opening
Operable phA Timber / aluminium 0.78 W/(m2K) Cool, temperate 763 km Jan 2025 Inward opening
Operable phB Timber / aluminium 0.78 W/(m2K) Cool, temperate 9212 km Apr 2016 Inward opening
Operable phB Timber / aluminium 0.78 W/(m2K) Cool, temperate 10000 km Dec 2021 Inward opening
Operable phC Aluminium 0.80 W/(m2K) Cool, temperate 1347 km Jan 2022 Inward opening
Operable phC Timber 1.00 W/(m2K) Warm, temperate 233 km Feb 2018 Inward opening
Operable phB Aluminium 0.76 W/(m2K) Cool, temperate 2055 km May 2014 Inward opening
Operable phC Aluminium 0.80 W/(m2K) Cool, temperate 2055 km Feb 2014 Inward opening
Operable phB Timber 1.00 W/(m2K) Warm, temperate 431 km Sep 2020 Inward opening
Operable phB Aluminium 0.97 W/(m2K) Warm, temperate 9505 km Aug 2025 Inward opening
Fixed phA Aluminium 0.95 W/(m2K) Warm, temperate 9505 km Aug 2025 -
Operable phB Timber / aluminium 0.77 W/(m2K) Cool, temperate 9192 km Aug 2016 Inward opening
Operable phC Aluminium 0.78 W/(m2K) Cool, temperate 9097 km Feb 2024 Inward opening
Window system phB PVC 1.00 W/(m2K) Warm, temperate 2468 km Jul 2023 Inward opening
Operable phC Aluminium 0.77 W/(m2K) Cool, temperate 10000 km Apr 2026 Inward opening
Operable phB Timber / aluminium 0.99 W/(m2K) Warm, temperate 431 km Jun 2023 Inward opening
Operable phB Timber / aluminium 0.79 W/(m2K) Cool, temperate 9242 km Dec 2020 Inward opening
Operable phB Timber 0.78 W/(m2K) Cool, temperate 1675 km Jan 2018 Inward opening
Operable phB Timber 0.79 W/(m2K) Cool, temperate 1567 km Mar 2014 Inward opening
Operable phC Aluminium 0.79 W/(m2K) Cool, temperate 1259 km Jul 2018 Inward opening
Operable phB PVC 0.80 W/(m2K) Cool, temperate 1353 km Feb 2026 Inward opening
Operable phC PVC 0.80 W/(m2K) Cool, temperate 1353 km Feb 2026 Inward opening
Operable phC PVC 1.00 W/(m2K) Warm, temperate 2632 km Feb 2022 Inward opening
Operable phB Timber 0.80 W/(m2K) Cool, temperate 1476 km May 2008 Inward opening
Operable phC Aluminium 0.97 W/(m2K) Warm, temperate 1821 km Aug 2023 Outward opening
Operable phB Timber / aluminium 0.80 W/(m2K) Cool, temperate 9192 km Oct 2015 Inward opening
Operable phB Timber / aluminium 0.79 W/(m2K) Cool, temperate 9237 km Mar 2024 Inward opening
Operable phB Timber / aluminium 0.79 W/(m2K) Cool, temperate 1372 km Nov 2011 Outward opening
Operable phB Timber / aluminium 0.77 W/(m2K) Cool, temperate 1372 km Feb 2013 Inward opening
Fixed phA Timber / PVC 0.74 W/(m2K) Cool, temperate 1372 km Jul 2020 -
Operable phB PVC / aluminium 0.80 W/(m2K) Cool, temperate 1372 km Dec 2012 Outward opening
Fixed phA PVC / aluminium 0.80 W/(m2K) Cool, temperate 1372 km May 2020 -
Fixed phA PVC 0.59 W/(m2K) Cold 5524 km Aug 2024 -
Operable phA PVC 0.60 W/(m2K) Cold 5524 km Oct 2024 Inward opening
Fixed phA PVC 0.77 W/(m2K) Cool, temperate 5524 km Aug 2025 -
Operable phB PVC 0.77 W/(m2K) Cool, temperate 5524 km Jul 2024 Inward opening
Operable phB Timber / aluminium 0.80 W/(m2K) Cool, temperate 9241 km Jul 2018 Inward opening
Operable phC Timber / aluminium 0.80 W/(m2K) Cool, temperate 9241 km Apr 2019 Inward opening
Operable phC Timber / aluminium 0.80 W/(m2K) Cool, temperate 9241 km Apr 2019 Inward opening
Operable phB Timber / aluminium 0.80 W/(m2K) Cool, temperate 9241 km Jul 2023 Inward opening
Operable phB Timber / aluminium 0.80 W/(m2K) Cool, temperate 9245 km Feb 2022 Inward opening
Operable phB Timber / aluminium 0.80 W/(m2K) Cool, temperate 9245 km Jul 2022 Inward opening
Operable phB Timber / aluminium 0.79 W/(m2K) Cool, temperate 9245 km Jan 2014 Inward opening
Operable phB Timber / aluminium 0.80 W/(m2K) Cool, temperate 1189 km Mar 2022 Inward opening
Fixed In Progress Timber / aluminium - Cool, temperate 1189 km Mar 2022 -
Operable phB Timber / aluminium 0.78 W/(m2K) Cool, temperate 9754 km May 2015 Inward opening
Operable phC Timber / aluminium 1.20 W/(m2K) Warm 10000 km Sep 2023 Inward opening
Operable phA PVC 0.77 W/(m2K) Cool, temperate 1372 km Aug 2011 Outward opening
Fixed phA PVC 0.74 W/(m2K) Cool, temperate 1372 km Aug 2020 -
Operable phB PVC 0.75 W/(m2K) Cool, temperate 1372 km Mar 2013 Inward opening
Operable phC PVC 1.00 W/(m2K) Warm, temperate 2979 km Aug 2023 Inward opening
Operable phB Timber / aluminium 0.80 W/(m2K) Cool, temperate 9274 km Jun 2024 Inward opening
Operable phB Timber / aluminium 0.77 W/(m2K) Cool, temperate 1796 km Jul 2024 Inward opening
Fixed phA Timber / aluminium 0.75 W/(m2K) Cool, temperate 1796 km Jul 2024 Inward opening
Operable phA Timber / aluminium 0.60 W/(m2K) Cold 1796 km Jul 2024 Inward opening
Fixed phA Timber / aluminium 0.60 W/(m2K) Cold 1796 km Jul 2024 Inward opening
Operable phA Timber 0.79 W/(m2K) Cool, temperate 1331 km Apr 2014 Inward opening
Operable phB Aluminium 0.80 W/(m2K) Cool, temperate 9233 km Apr 2024 Inward opening
Operable phB Timber / aluminium 0.79 W/(m2K) Cool, temperate 9251 km Aug 2019 Inward opening
Operable phB Aluminium 0.95 W/(m2K) Warm, temperate 10000 km Jul 2024 Inward opening
Fixed phA Aluminium 0.92 W/(m2K) Warm, temperate 10000 km Jul 2024 Inward opening
Operable phC PVC 1.00 W/(m2K) Warm, temperate 388 km Feb 2021 Inward opening
Operable phB Timber / aluminium 0.77 W/(m2K) Cool, temperate 9724 km Nov 2020 Inward opening
Operable phB Timber / aluminium 0.80 W/(m2K) Cool, temperate 1476 km Dec 2024 Inward opening
Operable phA Timber / GFRP 0.78 W/(m2K) Cool, temperate 1773 km Aug 2012 Inward opening
Operable phA Timber / aluminium 0.79 W/(m2K) Cool, temperate 1499 km Apr 2013 Inward opening
Window system phB PVC 1.00 W/(m2K) Warm, temperate 1314 km Apr 2019 Inward opening
Operable In Progress PVC 0.98 W/(m2K) Warm, temperate 1314 km Nov 2019 Inward opening
Fixed phC PVC 0.94 W/(m2K) Warm, temperate 1314 km Nov 2019 Inward opening
Operable phC Aluminium 0.80 W/(m2K) Cool, temperate 9470 km Nov 2019 Inward opening
Operable phC PVC 1.00 W/(m2K) Warm, temperate 2700 km Mar 2022 Inward opening
Operable phB PVC / aluminium 1.20 W/(m2K) Warm 501 km Apr 2022 Inward opening
Operable phB PVC 1.20 W/(m2K) Warm 517 km Nov 2022 Inward opening
Operable phB PVC 0.80 W/(m2K) Cool, temperate 1638 km Feb 2022 Inward opening
Operable phB PVC 0.80 W/(m2K) Cool, temperate 6117 km Jun 2024 Inward opening
Operable phC Aluminium 1.19 W/(m2K) Warm 501 km Oct 2017 Inward opening
Operable phC PVC 1.00 W/(m2K) Warm, temperate 334 km Jun 2016 Inward opening
Operable phB PVC 0.96 W/(m2K) Warm, temperate 334 km Oct 2018 Inward opening
Operable phA Timber / aluminium 0.80 W/(m2K) Cool, temperate 1499 km Apr 2013 Inward opening
Operable phB PVC 0.99 W/(m2K) Warm, temperate 2632 km Sep 2021 Inward opening
Operable phB GFRP 0.79 W/(m2K) Cool, temperate 9521 km Mar 2025 Inward opening
Operable phB Timber / aluminium 0.80 W/(m2K) Cool, temperate 9269 km Oct 2018 Inward opening
Operable phB PVC / aluminium 0.80 W/(m2K) Cool, temperate 10000 km Mar 2026 Inward opening
Operable phB Timber 1.00 W/(m2K) Warm, temperate 411 km Dec 2020 Inward opening
Operable phB Aluminium 0.80 W/(m2K) Cool, temperate 1439 km Aug 2023 Inward opening
Operable phC Aluminium 0.80 W/(m2K) Cool, temperate 2880 km Jul 2022 Inward opening
Operable phC Aluminium 1.00 W/(m2K) Warm, temperate 2240 km Nov 2017 Inward opening
Operable phB Aluminium 0.71 W/(m2K) Cool, temperate 2240 km Aug 2020 Inward opening
Operable phB Aluminium 0.82 W/(m2K) Very hot 5652 km Jan 2021 Inward opening
Operable phC Aluminium 0.79 W/(m2K) Cool, temperate 1333 km Jul 2025 Inward opening
Operable phB PVC 0.80 W/(m2K) Cool, temperate 5738 km Sep 2023 Inward opening
Operable phB Aluminium 0.77 W/(m2K) Cool, temperate 1596 km Nov 2023 Inward opening
Window system phC PVC 1.01 W/(m2K) Warm, temperate 24 km Jan 2026 Inward opening
Window system phC PVC 1.00 W/(m2K) Warm, temperate 24 km Apr 2021 Inward opening
Window system phB PVC 0.78 W/(m2K) Cool, temperate 1701 km Jan 2019 Inward opening
Operable phC PVC 1.20 W/(m2K) Warm 2700 km Apr 2022 Inward opening
Operable phA PVC / aluminium 0.79 W/(m2K) Cool, temperate 5345 km Mar 2025 Outward opening
Operable phA PVC / aluminium 0.80 W/(m2K) Cool, temperate 5345 km May 2025 Outward opening
Operable phA PVC 0.60 W/(m2K) Cold 5345 km Nov 2025 Outward opening
Fixed phA PVC / aluminium 0.80 W/(m2K) Cool, temperate 5345 km Mar 2025 -
Fixed phA PVC / aluminium 0.80 W/(m2K) Cool, temperate 5345 km Jun 2025 -
Fixed phA+ PVC 0.60 W/(m2K) Cold 5345 km May 2026 -
Operable phB PVC 0.79 W/(m2K) Cool, temperate 8423 km Jul 2016 Inward opening
Operable phB GFRP 0.80 W/(m2K) Cool, temperate 6919 km May 2026 Inward opening
Operable phC PVC 1.00 W/(m2K) Warm, temperate 217 km Oct 2020 Inward opening
Operable phC PVC 1.00 W/(m2K) Warm, temperate 217 km Nov 2019 Inward opening
Operable phC Aluminium 0.78 W/(m2K) Cool, temperate 10000 km Apr 2021 Inward opening
Window system phA Timber / aluminium 0.78 W/(m2K) Cool, temperate 308 km Mar 2025 Inward opening
Operable phA Timber / aluminium 0.60 W/(m2K) Cold 308 km Aug 2022 Inward opening
Window system phA Timber / aluminium 0.78 W/(m2K) Cool, temperate 308 km Aug 2022 Inward opening
Operable phB PVC 0.79 W/(m2K) Cool, temperate 1490 km Apr 2024 Inward opening
Operable phB PVC 0.80 W/(m2K) Cool, temperate 10000 km May 2016 Inward opening
Operable phA Timber / aluminium 0.76 W/(m2K) Cool, temperate 2103 km Aug 2016 Inward opening
Connection phB Timber / aluminium 0.64 W/(m2K) Cold 2103 km Aug 2016 -
Operable phB Aluminium 0.80 W/(m2K) Cool, temperate 9645 km Dec 2021 Inward opening
Operable phB Timber / aluminium 0.80 W/(m2K) Cool, temperate 9754 km Apr 2026 Inward opening
Operable phC Aluminium 1.00 W/(m2K) Warm, temperate 388 km May 2018 Inward opening
Connection phB Timber / aluminium 0.63 W/(m2K) Cold 6051 km May 2023 Inward opening
Operable phC Aluminium 0.79 W/(m2K) Cool, temperate 9241 km May 2023 Inward opening
Window system phC PVC 0.99 W/(m2K) Warm, temperate 6111 km Dec 2019 Inward opening
Window system phB PVC 0.80 W/(m2K) Cool, temperate 6111 km Jan 2024 Inward opening
Operable phC Aluminium 0.79 W/(m2K) Cool, temperate 2240 km Apr 2015 Inward opening
Operable phA Timber / aluminium 0.77 W/(m2K) Cool, temperate 2723 km Feb 2025 Inward opening
Operable phC PVC 1.00 W/(m2K) Warm, temperate 487 km Jul 2017 Inward opening
Operable phC Aluminium 0.79 W/(m2K) Cool, temperate 1601 km Nov 2023 Outward opening
Operable phC Aluminium 0.79 W/(m2K) Cool, temperate 1601 km Jun 2021 Inward opening
Window system phB PVC 1.00 W/(m2K) Warm, temperate 366 km May 2025 Inward opening
Operable phC Aluminium 0.78 W/(m2K) Cool, temperate 10000 km Apr 2023 Inward opening
Operable phB Timber / aluminium 0.78 W/(m2K) Cool, temperate 1790 km Jul 2020 Inward opening
Fixed phA Timber / aluminium 0.78 W/(m2K) Cool, temperate 1790 km Jul 2012 -
Operable phB Timber / aluminium 0.78 W/(m2K) Cool, temperate 1790 km Jul 2020 Inward opening
Operable phB Timber / aluminium 0.78 W/(m2K) Cool, temperate 1790 km Jul 2020 Inward opening
Operable phB Timber / aluminium 0.76 W/(m2K) Cool, temperate 1790 km Jul 2016 Inward opening
Connection phA Timber / aluminium 0.62 W/(m2K) Cold 1790 km Jul 2016 -
Operable phB Timber / aluminium 0.73 W/(m2K) Cool, temperate 1790 km Jun 2011 Inward opening
Operable phC Aluminium 0.80 W/(m2K) Cool, temperate 10000 km Jun 2025 Inward opening
Operable In Progress Aluminium 1.00 W/(m2K) Warm, temperate 495 km Dec 2024 Inward opening
Operable phC Aluminium 0.79 W/(m2K) Cool, temperate 495 km Jul 2025 Inward opening
Operable phB Aluminium 0.78 W/(m2K) Cool, temperate 1783 km Jun 2017 Inward opening
Operable phB Timber / aluminium 0.78 W/(m2K) Cool, temperate 1336 km Feb 2013 Inward opening
Operable phC Aluminium 1.19 W/(m2K) Hot 7321 km Aug 2025 Inward opening
Operable phB Timber / aluminium 0.80 W/(m2K) Cool, temperate 1360 km Oct 2014 Inward opening
Operable phB PVC 0.79 W/(m2K) Cool, temperate 9253 km Sep 2016 Inward opening
Operable phB GFRP 0.80 W/(m2K) Cool, temperate 9570 km Dec 2020 Inward opening
Fixed phA PVC 0.77 W/(m2K) Cool, temperate 5307 km Aug 2025 -
Operable phB PVC 0.80 W/(m2K) Cool, temperate 5307 km Nov 2023 Inward opening
Operable phB PVC 0.80 W/(m2K) Cool, temperate 5307 km Dec 2023 Outward opening
Operable phB PVC 0.80 W/(m2K) Cool, temperate 5307 km Sep 2021 Inward opening
Operable phB Timber 0.79 W/(m2K) Cool, temperate 1350 km Jan 2006 Inward opening
Operable phA Timber / aluminium 0.99 W/(m2K) Warm, temperate 1336 km May 2020 Inward opening
Operable phB Timber / aluminium 1.00 W/(m2K) Warm, temperate 1336 km Mar 2026 Inward opening
Operable phB Timber 0.98 W/(m2K) Warm, temperate 1336 km Mar 2026 Inward opening
Operable phB Timber 1.18 W/(m2K) Warm 548 km Feb 2021 Inward opening
Operable phB Timber / aluminium 1.00 W/(m2K) Warm, temperate 309 km Jan 2016 Inward opening
Operable phC Timber 1.20 W/(m2K) Warm 9088 km Apr 2025 Inward opening
Operable phA Timber 0.80 W/(m2K) Cool, temperate 1301 km Apr 2025 Inward opening
Operable phA Timber 0.96 W/(m2K) Warm, temperate 1301 km Apr 2025 Inward opening
Operable phB Timber / aluminium 0.80 W/(m2K) Cool, temperate 2903 km Feb 2014 Outward opening
Operable phB Timber / aluminium 0.78 W/(m2K) Cool, temperate 2139 km Jul 2014 Inward opening
Operable phC Aluminium 0.78 W/(m2K) Cool, temperate 2352 km Sep 2017 Inward opening
Operable phA Aluminium 0.79 W/(m2K) Cool, temperate 9662 km Nov 2022 Inward opening
Operable phC Aluminium 0.80 W/(m2K) Cool, temperate 9413 km Jun 2025 Inward opening
Operable phC Aluminium 0.80 W/(m2K) Cool, temperate 10000 km Feb 2021 Inward opening
Fixed phA PVC 0.79 W/(m2K) Cool, temperate 8369 km Nov 2018 -
Operable phB PVC 0.80 W/(m2K) Cool, temperate 8369 km Oct 2018 Inward opening
Operable phB Aluminium 0.79 W/(m2K) Cool, temperate 10000 km Mar 2024 Inward opening
Operable phC Aluminium 1.00 W/(m2K) Warm, temperate 495 km Mar 2019 Inward opening
Operable In Progress Aluminium 1.00 W/(m2K) Warm, temperate 495 km Dec 2024 Inward opening
Operable phB Aluminium 0.80 W/(m2K) Cool, temperate 1397 km Jan 2015 Inward opening
Operable phC Aluminium 0.79 W/(m2K) Cool, temperate 495 km Jul 2025 Inward opening
Operable phC Aluminium 0.79 W/(m2K) Cool, temperate 1229 km Dec 2024 Inward opening
Operable phC Aluminium 0.79 W/(m2K) Cool, temperate 1229 km Dec 2024 Inward opening
Operable phB PVC 0.80 W/(m2K) Cool, temperate 10000 km Feb 2025 Inward opening
Operable phC PVC 1.00 W/(m2K) Warm, temperate 246 km Dec 2015 Inward opening
Operable phB Timber / aluminium 0.80 W/(m2K) Cool, temperate 9346 km May 2019 Inward opening
Operable phB Aluminium 0.80 W/(m2K) Cool, temperate 1506 km Nov 2023 Inward opening
Fixed phA Aluminium 0.76 W/(m2K) Cool, temperate 1506 km Jan 2024 -
Operable phC Aluminium 0.78 W/(m2K) Cool, temperate 9243 km Jan 2024 Inward opening
Operable phB Aluminium 0.80 W/(m2K) Cool, temperate 10000 km Apr 2023 Inward opening
Operable phB Aluminium 0.78 W/(m2K) Cool, temperate 10000 km Jan 2026 Inward opening
Operable phC Aluminium 1.00 W/(m2K) Warm, temperate 482 km Aug 2022 Inward opening
Operable phB Aluminium 0.77 W/(m2K) Cool, temperate 2085 km Aug 2023 Inward opening
Operable phB PVC / aluminium 0.80 W/(m2K) Cool, temperate 9571 km Oct 2025 Inward opening
Operable phB Timber / aluminium 0.79 W/(m2K) Cool, temperate 9754 km Mar 2024 Inward opening
Operable phA Timber 0.68 W/(m2K) Cool, temperate 1301 km Sep 2019 Inward opening
Operable phB PVC 0.79 W/(m2K) Cool, temperate 1413 km Dec 2016 Outward opening
Fixed phA+ PVC 0.75 W/(m2K) Cool, temperate 1413 km Dec 2016 -
Operable phB PVC 0.80 W/(m2K) Cool, temperate 1413 km Nov 2022 Inward opening
Operable phB PVC 0.80 W/(m2K) Cool, temperate 9462 km Mar 2025 Inward opening
Operable phB PVC 0.79 W/(m2K) Cool, temperate 9365 km Jun 2018 Inward opening
Operable phA Timber / aluminium 0.76 W/(m2K) Cool, temperate 8138 km Oct 2015 Inward opening
Connection phB Timber / aluminium 0.64 W/(m2K) Cold 8138 km Oct 2015 -
Operable phB Timber 1.00 W/(m2K) Warm, temperate 330 km Jul 2021 Inward opening
Operable phB Aluminium 0.79 W/(m2K) Cool, temperate 9700 km Oct 2025 Inward opening
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