{"id":15677,"date":"2026-10-05T09:56:33","date_gmt":"2026-10-05T08:56:33","guid":{"rendered":"https:\/\/ventsystems.de\/?page_id=15677"},"modified":"2026-10-05T09:56:33","modified_gmt":"2026-10-05T08:56:33","slug":"roof-window-drive","status":"publish","type":"page","link":"https:\/\/ventsystems.de\/en\/dachfenster-antrieb\/","title":{"rendered":"Roof window drive: Window motors for roof and skylights"},"content":{"rendered":"<p>Roof windows are often difficult to reach \u2013 an electric drive makes them operable via push button, timer, or sensor. In commercial and public buildings, roof windows also frequently serve for smoke and heat extraction. Vent Systems supplies roof window drives for new construction and retrofitting from its Hamburg warehouse.<\/p>\n<h2>Suitable drives<\/h2>\n<ul>\n<li><a href=\"https:\/\/ventsystems.de\/en\/product\/vs-ka\/\">VS-KA chain drive<\/a> \u2013 250 N to 1,500 N, chain length 100 to 1,000 mm, 24 V or 230 V; the first choice for most roof windows.<\/li>\n<li><a href=\"https:\/\/ventsystems.de\/en\/product\/vs-dka-800\/\">VS-DKA 800 double-chain drive<\/a> \u2013 for wide wings that are to be pressed evenly at two points.<\/li>\n<li><a href=\"https:\/\/ventsystems.de\/en\/product\/vs-la\/\">VS-LA linear actuator<\/a> \u2013 for heavy roof panels with high loads.<\/li>\n<li><a href=\"https:\/\/ventsystems.de\/en\/product\/vs-ka-i\/\">VS-KA-i smart chain drive<\/a> \u2013 with enhanced control functions.<\/li>\n<\/ul>\n<h2>Choice tips<\/h2>\n<ul>\n<li>With slanted windows, a large part of the sash weight acts on the drive \u2013 choose a force with a reserve.<\/li>\n<li>The chain length (stroke) is determined by the wing height and opening angle; use the <a href=\"https:\/\/ventsystems.de\/en\/product-category\/chain-drives\/\">Chain length calculator<\/a>.<\/li>\n<li>For automatic ventilation, the following are suitable <a href=\"https:\/\/ventsystems.de\/en\/product\/vs-ws\/\">Wind and rain sensor<\/a> and <a href=\"https:\/\/ventsystems.de\/en\/product\/vs-ls7\/\">VS-C24-7A controller<\/a> to.<\/li>\n<li>230V drives for simple single windows, 24V for groups, sensor control and smoke and heat exhaust ventilation (SHEV).<\/li>\n<\/ul>\n<p>More on this topic: <a href=\"https:\/\/ventsystems.de\/en\/automated-roof-ventilation-in-building-construction\/\">Automated roof ventilation in commercial construction<\/a>.<\/p>\n<p><strong>Note regarding smoke and heat exhaust ventilation (SHEV):<\/strong> All Vent Systems drives are CE-certified according to applicable EU directives. For use in smoke and heat exhaust ventilation systems, the drive, window, and an approved smoke and heat exhaust ventilation control unit must be coordinated and verified on a project-specific basis. We would be happy to advise you on this.<\/p>\n<h2>Consultation and offer<\/h2>\n<p>Are you planning a project or do you need larger quantities? We can help you select the drive, hub, and brackets, and provide you with a quote. Phone <a href=\"tel:+494050694631\">040 50694631<\/a> or via our <a href=\"https:\/\/ventsystems.de\/en\/contact\/\">Contact form<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Dachfenster sind oft schwer erreichbar \u2013 ein elektrischer Antrieb macht sie per Taster, Zeitsteuerung oder Sensor bedienbar. In Gewerbe- und Objektbauten dienen Dachfenster zudem h\u00e4ufig dem Rauch- und W\u00e4rmeabzug. Vent Systems liefert Dachfenster-Antriebe f\u00fcr Neubau und Nachr\u00fcstung ab Lager Hamburg. Passende Antriebe VS-KA Kettenantrieb \u2013 250 N bis 1.500 N, Kettenl\u00e4nge 100 bis 1.000 mm, [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"folder":[],"class_list":["post-15677","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/pages\/15677","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/comments?post=15677"}],"version-history":[{"count":1,"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/pages\/15677\/revisions"}],"predecessor-version":[{"id":15685,"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/pages\/15677\/revisions\/15685"}],"wp:attachment":[{"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/media?parent=15677"}],"wp:term":[{"taxonomy":"folder","embeddable":true,"href":"https:\/\/ventsystems.de\/en\/wp-json\/wp\/v2\/folder?post=15677"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}