{"product_id":"nordwood-greenhouse-automatic-window-opener","title":"Nordwood Greenhouse Automatic Window Opener","description":"\u003ch2\u003eHands-free ventilation for your Nordwood Greenhouse\u003c\/h2\u003e\n\u003cp\u003eAutomatically regulate airflow inside your \u003cstrong\u003eNordwood Greenhouse\u003c\/strong\u003e with a heat-sensitive window opener designed for compatible roof vents.\u003c\/p\u003e\n\u003cp\u003eAs the greenhouse warms, the wax-powered mechanism expands and gradually opens the roof window. When temperatures fall, it contracts and closes the window again—helping protect plants from excess heat without electricity, batteries, or daily manual adjustment.\u003c\/p\u003e\n\u003ch2\u003eWhy add an automatic opener?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOpens and closes the roof vent automatically\u003c\/li\u003e\n\u003cli\u003eResponds naturally to changing greenhouse temperatures\u003c\/li\u003e\n\u003cli\u003eHelps release excess heat Improves airflow around plants\u003c\/li\u003e\n\u003cli\u003eRequires no electricity or batteries\u003c\/li\u003e\n\u003cli\u003eUseful when you are away from home\u003c\/li\u003e\n\u003cli\u003eReduces the need for constant manual ventilation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHow it works\u003c\/h2\u003e\n\u003cp\u003eThe opener uses temperature-responsive wax-cylinder technology. As the air inside the greenhouse becomes warmer, the mechanism lifts the roof vent. As conditions cool, it lowers the vent toward the closed position.\u003c\/p\u003e\n\u003cp\u003eThe opening amount adjusts gradually according to temperature rather than operating as a simple on-or-off mechanism.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eDesigned specifically for compatible roof windows on the:\u003c\/p\u003e\n\u003ch2\u003eNordwood Greenhouse\u003c\/h2\u003e\n\u003cp\u003eUse one \u003cstrong\u003eautomatic opener per roof window.\u003c\/strong\u003e Up to four may be added, depending on the number of roof vents installed in your greenhouse.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis opener is intended for Nordwood roof windows and should not be assumed compatible with Best-Selling Polycarbonate or Classic Arch greenhouse vents.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch2\u003eWhat’s included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHeat-sensitive automatic window opener\u003c\/li\u003e\n\u003cli\u003eMounting brackets\u003c\/li\u003e\n\u003cli\u003eInstallation hardware\u003c\/li\u003e\n\u003cli\u003eInstallation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eImportant notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eNo electrical connection is required.\u003c\/li\u003e\n\u003cli\u003eNo batteries are required.\u003c\/li\u003e\n\u003cli\u003eThe roof window must move freely before installation.\u003c\/li\u003e\n\u003cli\u003eRemove or disengage the opener before forcing the window open manually.\u003c\/li\u003e\n\u003cli\u003eConfirm the number of roof vents on your Nordwood Greenhouse before selecting quantity.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"House Your Greens","offers":[{"title":"Manual Roof Vent Kit","offer_id":41783917248645,"sku":null,"price":139.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0604\/9441\/3957\/files\/AutomaticWindowopener.webp?v=1785357002","url":"https:\/\/houseyourgreens.com\/products\/nordwood-greenhouse-automatic-window-opener","provider":"House Your Greens","version":"1.0","type":"link"}