{"id":28972,"date":"2025-12-09T11:20:04","date_gmt":"2025-12-09T10:20:04","guid":{"rendered":"https:\/\/hetzner.actilum.com\/how-the-hotel-intercontinental-barcelona-transformed-its-windowless-rooms-with-artificial-sunlight\/"},"modified":"2026-07-06T09:12:01","modified_gmt":"2026-07-06T07:12:01","slug":"how-the-hotel-intercontinental-barcelona-transformed-its-windowless-rooms-with-artificial-sunlight","status":"publish","type":"post","link":"https:\/\/hetzner.actilum.com\/en\/how-the-hotel-intercontinental-barcelona-transformed-its-windowless-rooms-with-artificial-sunlight\/","title":{"rendered":"How the Hotel InterContinental Barcelona transformed its windowless rooms with artificial sunlight"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"28972\" class=\"elementor elementor-28972 elementor-28678\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0547b81 e-flex e-con-boxed e-con e-parent\" data-id=\"0547b81\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cac7ef5 elementor-widget elementor-widget-heading\" data-id=\"cac7ef5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">A challenging project from the outset<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0af6353 elementor-widget elementor-widget-text-editor\" data-id=\"0af6353\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>The starting point was a very specific technical quest: how to achieve <strong>natural light in windowless interiors<\/strong>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5e63e8c e-con-full e-flex e-con e-child\" data-id=\"5e63e8c\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;slideshow&quot;,&quot;background_slideshow_gallery&quot;:[{&quot;id&quot;:28958,&quot;url&quot;:&quot;https:\\\/\\\/hetzner.actilum.com\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/hotel-ventanas-falsas-sala-grande.webp&quot;},{&quot;id&quot;:28959,&quot;url&quot;:&quot;https:\\\/\\\/hetzner.actilum.com\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/hotel-ventanas-falsas-frontline.webp&quot;},{&quot;id&quot;:28960,&quot;url&quot;:&quot;https:\\\/\\\/hetzner.actilum.com\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/hotel-ventanas-falsas-instalacion.webp&quot;}],&quot;background_slideshow_lazyload&quot;:&quot;yes&quot;,&quot;background_slideshow_ken_burns&quot;:&quot;yes&quot;,&quot;background_slideshow_loop&quot;:&quot;yes&quot;,&quot;background_slideshow_slide_duration&quot;:5000,&quot;background_slideshow_slide_transition&quot;:&quot;fade&quot;,&quot;background_slideshow_transition_duration&quot;:500,&quot;background_slideshow_ken_burns_zoom_direction&quot;:&quot;in&quot;}\">\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1fc9fca e-con-full e-flex e-con e-child\" data-id=\"1fc9fca\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-bd64ce0 e-con-full e-flex e-con e-child\" data-id=\"bd64ce0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a5d2570 elementor-widget elementor-widget-text-editor\" data-id=\"a5d2570\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/www.linkedin.com\/in\/fernandorojo\/\" target=\"_blank\" rel=\"noopener\"><strong>Fernando Rojo,<\/strong><\/a> lighting designer of <a href=\"http:\/\/www.dlight.es\" target=\"_blank\" rel=\"noopener\"><strong>Dlight Lighting Solutions Barcelona<\/strong><\/a>was commissioned to renovate the event rooms of the prestigious <strong>Hotel InterContinental Barcelona,<\/strong> a five-star hotel that had to offer visual comfort, aesthetic impact and professional lighting quality in spaces without access to sunlight.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a031ba0 e-con-full e-flex e-con e-child\" data-id=\"a031ba0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-44cdf4e elementor-widget elementor-widget-author-box\" data-id=\"44cdf4e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"author-box.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-author-box\">\n\t\t\t\t\t\t\t<a href=\"https:\/\/www.linkedin.com\/in\/fernandorojo\/\" target=\"_blank\" class=\"elementor-author-box__avatar\">\n\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/hetzner.actilum.com\/wp-content\/uploads\/2025\/12\/fernando-rojo.webp\" alt=\"Picture of Fernando Rojo\" loading=\"lazy\">\n\t\t\t\t<\/a>\n\t\t\t\n\t\t\t<div class=\"elementor-author-box__text\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.linkedin.com\/in\/fernandorojo\/\" target=\"_blank\">\n\t\t\t\t\t\t<h5 class=\"elementor-author-box__name\">\n\t\t\t\t\t\t\tFernando Rojo\t\t\t\t\t\t<\/h5>\n\t\t\t\t\t<\/a>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-author-box__bio\">\n\t\t\t\t\t\t<p>Lighting designer for <strong><a href=\"http:\/\/www.dlight.es\">Dlight Lighting Solutions Barcelona<\/a><\/strong><\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-cec2282 e-con-full e-flex e-con e-child\" data-id=\"cec2282\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-2a17e08 e-con-full e-flex e-con e-child\" data-id=\"2a17e08\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a7bc388 elementor-widget elementor-widget-text-editor\" data-id=\"a7bc388\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>During his research, Rojo found Actilum and requested a meeting at our headquarters. Initially, the designer was looking for panels from other brands in the market. However, after a technical review and comparative tests, none of the alternatives evaluated offered the level of light demand required for the project.  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-da6b8f9 e-con-full e-flex e-con e-child\" data-id=\"da6b8f9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-98d6f65 elementor-widget elementor-widget-image\" data-id=\"98d6f65\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/hetzner.actilum.com\/ventana-falsa\/\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/hetzner.actilum.com\/wp-content\/uploads\/2025\/06\/ventana-solar-detalle-perfil-esquina-1024x1024.webp\" class=\"attachment-large size-large wp-image-36895\" alt=\"\" srcset=\"https:\/\/hetzner.actilum.com\/wp-content\/uploads\/2025\/06\/ventana-solar-detalle-perfil-esquina-1024x1024.webp 1024w, https:\/\/hetzner.actilum.com\/wp-content\/uploads\/2025\/06\/ventana-solar-detalle-perfil-esquina-300x300.webp 300w, https:\/\/hetzner.actilum.com\/wp-content\/uploads\/2025\/06\/ventana-solar-detalle-perfil-esquina-150x150.webp 150w, https:\/\/hetzner.actilum.com\/wp-content\/uploads\/2025\/06\/ventana-solar-detalle-perfil-esquina-768x768.webp 768w, https:\/\/hetzner.actilum.com\/wp-content\/uploads\/2025\/06\/ventana-solar-detalle-perfil-esquina-600x600.webp 600w, https:\/\/hetzner.actilum.com\/wp-content\/uploads\/2025\/06\/ventana-solar-detalle-perfil-esquina-100x100.webp 100w, https:\/\/hetzner.actilum.com\/wp-content\/uploads\/2025\/06\/ventana-solar-detalle-perfil-esquina.webp 1500w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e0581d8 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"e0581d8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/hetzner.actilum.com\/en\/false-window\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Learn more about the advantages of the Solar Window<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-fe5ec0e e-con-full e-flex e-con e-child\" data-id=\"fe5ec0e\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-beb3d17 elementor-widget elementor-widget-spacer\" data-id=\"beb3d17\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bb715e1 elementor-widget elementor-widget-heading\" data-id=\"bb715e1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Validation and final decision<\/h3>\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-345ffc6 e-grid e-con-full e-con e-child\" data-id=\"345ffc6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-c66d8a9 e-con-full e-flex e-con e-child\" data-id=\"c66d8a9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ccbf567 elementor-widget elementor-widget-text-editor\" data-id=\"ccbf567\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>The process started with a <strong>1&#215;1 m prototype<\/strong> to evaluate the proposed solution. The client brought a wooden frame and the actual glass that would be installed in the hotel, in order to test how the light would behave with the final material and ensure that everything would be perfect. <\/p><p>Tests were carried out with Luxpanel CC, a high-efficiency technology that produces only Actilum and is 40% brighter than its competitors, but did not reach the level desired by the designer. In the end, 80% more light output was required to achieve the realistic sunlight effect. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-66e9a8d e-con-full e-flex e-con e-child\" data-id=\"66e9a8d\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8368f6a e-con-full e-flex e-con e-child\" data-id=\"8368f6a\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a2d8b89 elementor-widget elementor-widget-spacer\" data-id=\"a2d8b89\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-93f019e elementor-widget elementor-widget-heading\" data-id=\"93f019e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">The solution: Frontline S TW18 with calibrated solar spectrum<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8eddffc elementor-widget elementor-widget-image\" data-id=\"8eddffc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"26\" src=\"https:\/\/hetzner.actilum.com\/wp-content\/uploads\/2025\/07\/frontline-s-tw18-widepersp-1024x33.webp\" class=\"attachment-large size-large wp-image-15429\" alt=\"\" srcset=\"https:\/\/hetzner.actilum.com\/wp-content\/uploads\/2025\/07\/frontline-s-tw18-widepersp-1024x33.webp 1024w, https:\/\/hetzner.actilum.com\/wp-content\/uploads\/2025\/07\/frontline-s-tw18-widepersp-300x10.webp 300w, https:\/\/hetzner.actilum.com\/wp-content\/uploads\/2025\/07\/frontline-s-tw18-widepersp-768x24.webp 768w, https:\/\/hetzner.actilum.com\/wp-content\/uploads\/2025\/07\/frontline-s-tw18-widepersp-1536x49.webp 1536w, https:\/\/hetzner.actilum.com\/wp-content\/uploads\/2025\/07\/frontline-s-tw18-widepersp-600x19.webp 600w, https:\/\/hetzner.actilum.com\/wp-content\/uploads\/2025\/07\/frontline-s-tw18-widepersp.webp 1920w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f4e1a3f e-grid e-con-full e-con e-child\" data-id=\"f4e1a3f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-fcf3ef6 e-con-full e-flex e-con e-child\" data-id=\"fcf3ef6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1ab6c62 elementor-widget elementor-widget-text-editor\" data-id=\"1ab6c62\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Finally, Actilum&#8217;s technical and design team proposed a tailor-made solution using <a href=\"https:\/\/hetzner.actilum.com\/en\/products\/frontline-s-tw18\/\" target=\"_blank\" rel=\"noopener\"><strong>Frontline S TW18<\/strong><\/a> with a depth of only <a href=\"https:\/\/hetzner.actilum.com\/en\/products\/areum-uranus\/\" target=\"_blank\" rel=\"noopener\"><strong>50 mm,<\/strong><\/a> equipped with Tunable White technology from <strong>2700K to 6700K<\/strong> and a <strong>biomimetic solar spectrum<\/strong> ranging from <strong>violet 405 nm to infrared 800 nm.<\/strong><\/p><p>A <strong>chromatic fidelity of 98%<\/strong> was achieved <strong>(R9 &gt; 92),<\/strong> with a <strong>spectral error of less than 2% with respect to the sun.<\/strong> The entire installation was managed by <strong>DALI DT8<\/strong> systems, guaranteeing absolute control of scenes, dimming and ambience with <strong>Zencontrol<\/strong> systems <strong>.<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-66c3850 e-con-full e-flex e-con e-child\" data-id=\"66c3850\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-b4e21d9 e-con-full e-flex e-con e-child\" data-id=\"b4e21d9\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8445da3 elementor-widget elementor-widget-spacer\" data-id=\"8445da3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9f02040 elementor-widget elementor-widget-heading\" data-id=\"9f02040\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Result: a fake solar window that exceeds expectations<\/h3>\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7c352a5 e-con-full e-flex e-con e-child\" data-id=\"7c352a5\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;slideshow&quot;,&quot;background_slideshow_gallery&quot;:[{&quot;id&quot;:28959,&quot;url&quot;:&quot;https:\\\/\\\/hetzner.actilum.com\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/hotel-ventanas-falsas-frontline.webp&quot;},{&quot;id&quot;:28966,&quot;url&quot;:&quot;https:\\\/\\\/hetzner.actilum.com\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/hotel-ventanas-falsas-frontline-tela-02.webp&quot;},{&quot;id&quot;:28967,&quot;url&quot;:&quot;https:\\\/\\\/hetzner.actilum.com\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/hotel-ventanas-falsas-blanco-dinamico-01.webp&quot;}],&quot;background_slideshow_lazyload&quot;:&quot;yes&quot;,&quot;background_slideshow_ken_burns&quot;:&quot;yes&quot;,&quot;background_slideshow_loop&quot;:&quot;yes&quot;,&quot;background_slideshow_slide_duration&quot;:5000,&quot;background_slideshow_slide_transition&quot;:&quot;fade&quot;,&quot;background_slideshow_transition_duration&quot;:500,&quot;background_slideshow_ken_burns_zoom_direction&quot;:&quot;in&quot;}\">\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-948c1cd elementor-widget elementor-widget-text-editor\" data-id=\"948c1cd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>The project included lacquered wood joinery with a detailed design that accurately simulated real windows. The frames incorporate real bronze handles and sconces, providing an elegant appearance consistent with the hotel&#8217;s surroundings. This structure allowed for the natural integration of human wellness-oriented lighting technology, achieving a visual sensation of real sunlight.  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9d5f645 e-grid e-con-full e-con e-child\" data-id=\"9d5f645\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-2389b92 e-con-full e-flex e-con e-child\" data-id=\"2389b92\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-634507b elementor-widget elementor-widget-text-editor\" data-id=\"634507b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>The eight meters of false windows reproduce the natural lighting with total chromatic fidelity and without glare, generating such a convincing effect that the client has requested a new order to extend the installation to other rooms in the hotel.<\/p><p>This case not only demonstrates the value of advanced LED technology, but also <strong>how a co-creation process<\/strong> between designer, client and manufacturer can exceed any initial expectations.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8ae2eb9 e-con-full e-flex e-con e-child\" data-id=\"8ae2eb9\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9419c2f e-con-full e-flex e-con e-child\" data-id=\"9419c2f\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3d26e71 elementor-widget elementor-widget-spacer\" data-id=\"3d26e71\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0f2efa6 elementor-widget elementor-widget-heading\" data-id=\"0f2efa6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Why was Actilum chosen over Folio?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-784ceee elementor-widget elementor-widget-text-editor\" data-id=\"784ceee\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<table><tbody><tr><td><p><b>Feature<\/b><\/p><\/td><td><p><b>Folio Italy<\/b><\/p><\/td><td><p><b>Frontline S12 by Actilum<\/b><\/p><\/td><\/tr><tr><td><p><span style=\"font-weight: 400;\">Solar spectral fidelity<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">\u274c No<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">\u2705 Yes (solar spread spectrum 405-800 nm)<\/span><\/p><\/td><\/tr><tr><td><p><span style=\"font-weight: 400;\">Tunable White Technology<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">\u2705 Yes<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">\u2705 Yes (2700K-6700K calibrated)<\/span><\/p><\/td><\/tr><tr><td><p><span style=\"font-weight: 400;\">DALI management<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">\u274c Limited<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">\u2705 Full integration<\/span><\/p><\/td><\/tr><tr><td><p><span style=\"font-weight: 400;\">Light power (high demand)<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">\u274c Insufficient<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">\u2705 Adapted by project<\/span><\/p><\/td><\/tr><tr><td><p><span style=\"font-weight: 400;\">Local production and support<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">\u274c No<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">\u2705 Yes (Spain)<\/span><\/p><\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-206e8c9 elementor-widget elementor-widget-spacer\" data-id=\"206e8c9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-802a902 e-grid e-con-full e-con e-child\" data-id=\"802a902\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-27a25c4 e-con-full e-flex e-con e-child\" data-id=\"27a25c4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-63e3e38 elementor-widget elementor-widget-heading\" data-id=\"63e3e38\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Applications and future projection<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6ffaeca elementor-widget elementor-widget-text-editor\" data-id=\"6ffaeca\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>The solution developed by Actilum is ideal for:<\/p><ul><li>Hotels without exterior windows<\/li><li>Conference and event rooms<\/li><li>Premium interior offices<\/li><li>Wellness areas and spas<\/li><li>Hospitals rooms without sunlight<\/li><\/ul><p> <\/p><p><b>The renovation continues and, thanks to this positive experience, new solar windows will be installed in other areas of the hotel between January and March 2026.<\/b><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3b88ec1 e-con-full e-flex e-con e-child\" data-id=\"3b88ec1\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;slideshow&quot;,&quot;background_slideshow_gallery&quot;:[{&quot;id&quot;:28970,&quot;url&quot;:&quot;https:\\\/\\\/hetzner.actilum.com\\\/wp-content\\\/uploads\\\/2025\\\/12\\\/hotel-ventanas-falsas-instalacion-02.webp&quot;},{&quot;id&quot;:22587,&quot;url&quot;:&quot;https:\\\/\\\/hetzner.actilum.com\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/techo-tensado-oficina.webp&quot;},{&quot;id&quot;:27962,&quot;url&quot;:&quot;https:\\\/\\\/hetzner.actilum.com\\\/wp-content\\\/uploads\\\/2025\\\/11\\\/luxpanel-panel-led-decorativo-interior-01.webp&quot;},{&quot;id&quot;:27969,&quot;url&quot;:&quot;https:\\\/\\\/hetzner.actilum.com\\\/wp-content\\\/uploads\\\/2025\\\/11\\\/marmol-patagonia-backlit.webp&quot;},{&quot;id&quot;:27968,&quot;url&quot;:&quot;https:\\\/\\\/hetzner.actilum.com\\\/wp-content\\\/uploads\\\/2025\\\/11\\\/luxpanel-panel-led-decorativo-interior-04.webp&quot;},{&quot;id&quot;:27959,&quot;url&quot;:&quot;https:\\\/\\\/hetzner.actilum.com\\\/wp-content\\\/uploads\\\/2025\\\/11\\\/luxpanel-panel-led-decorativo-interior-03.webp&quot;}],&quot;background_slideshow_lazyload&quot;:&quot;yes&quot;,&quot;background_slideshow_ken_burns&quot;:&quot;yes&quot;,&quot;background_slideshow_loop&quot;:&quot;yes&quot;,&quot;background_slideshow_slide_duration&quot;:5000,&quot;background_slideshow_slide_transition&quot;:&quot;fade&quot;,&quot;background_slideshow_transition_duration&quot;:500,&quot;background_slideshow_ken_burns_zoom_direction&quot;:&quot;in&quot;}\">\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-207b941 elementor-widget elementor-widget-spacer\" data-id=\"207b941\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4cd4821 elementor-widget elementor-widget-heading\" data-id=\"4cd4821\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Do you want to implement a similar solution?<\/h3>\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-dd04847 e-grid e-con-full e-con e-child\" data-id=\"dd04847\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9fa8903 elementor-widget elementor-widget-text-editor\" data-id=\"9fa8903\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Learn more about our <a href=\"https:\/\/hetzner.actilum.com\/en\/false-window\/\" target=\"_blank\" rel=\"noopener\">faux windows with artificial sunlight<\/a> or talk to our technical team.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-bf5753a e-con-full e-flex e-con e-child\" data-id=\"bf5753a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-44cebf5 elementor-widget elementor-widget-image\" data-id=\"44cebf5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/hetzner.actilum.com\/ventana-falsa\/\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/hetzner.actilum.com\/wp-content\/uploads\/2025\/06\/ventana-solar-detalle-perfil-esquina-1024x1024.webp\" class=\"attachment-large size-large wp-image-36895\" alt=\"\" srcset=\"https:\/\/hetzner.actilum.com\/wp-content\/uploads\/2025\/06\/ventana-solar-detalle-perfil-esquina-1024x1024.webp 1024w, https:\/\/hetzner.actilum.com\/wp-content\/uploads\/2025\/06\/ventana-solar-detalle-perfil-esquina-300x300.webp 300w, https:\/\/hetzner.actilum.com\/wp-content\/uploads\/2025\/06\/ventana-solar-detalle-perfil-esquina-150x150.webp 150w, https:\/\/hetzner.actilum.com\/wp-content\/uploads\/2025\/06\/ventana-solar-detalle-perfil-esquina-768x768.webp 768w, https:\/\/hetzner.actilum.com\/wp-content\/uploads\/2025\/06\/ventana-solar-detalle-perfil-esquina-600x600.webp 600w, https:\/\/hetzner.actilum.com\/wp-content\/uploads\/2025\/06\/ventana-solar-detalle-perfil-esquina-100x100.webp 100w, https:\/\/hetzner.actilum.com\/wp-content\/uploads\/2025\/06\/ventana-solar-detalle-perfil-esquina.webp 1500w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-625b184 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"625b184\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/hetzner.actilum.com\/en\/false-window\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Learn more about the advantages of the Solar Window<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>A challenging project from the outset The starting point was a very specific technical quest: how to achieve natural light in windowless interiors. Fernando Rojo, lighting designer of Dlight Lighting Solutions Barcelonawas commissioned to renovate the event rooms of the prestigious Hotel InterContinental Barcelona, a five-star hotel that had to offer visual comfort, aesthetic impact [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":28971,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[189],"tags":[],"class_list":["post-28972","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-projects"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How the Hotel InterContinental Barcelona transformed its windowless rooms with artificial sunlight - Hetzner Actilum<\/title>\n<meta name=\"description\" content=\"Discover how the Hotel InterContinental Barcelona solved the lack of natural light with solar spectrum LED faux windows. 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