{"product_id":"ventomax","title":"Automatic Vent Opener","description":"\u003ch2\u003eAV01 Residential Roof Vent Opener – Automatic, No Electricity Needed\u003c\/h2\u003e\n\u003cp\u003eKeep your backyard greenhouse perfectly ventilated with the AV01 auto vent opener. This compact, wax-powered cylinder lifts up to \u003cstrong\u003e14 kg\u003c\/strong\u003e and opens your roof vent automatically when temperatures reach \u003cstrong\u003e17–24°C\u003c\/strong\u003e (fully adjustable). It closes again once the air cools — all without wires, power, or maintenance.\u003c\/p\u003e\n\u003cp\u003eIdeal for small to medium residential greenhouses, the AV01 delivers reliable, hands-free temperature control and fresh airflow year-round.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-electric:\u003c\/strong\u003e Runs on temperature-sensitive wax mechanism\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable range:\u003c\/strong\u003e Opens between 17–24°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLift strength:\u003c\/strong\u003e Supports vents up to 14 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZero maintenance:\u003c\/strong\u003e Set it and forget it\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect for:\u003c\/strong\u003e Roof vents in hobby or backyard greenhouses\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Winter Gardenz","offers":[{"title":"Default Title","offer_id":52821219836226,"sku":"AV01","price":145.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1001\/3602\/6434\/files\/s949491850317048167_p22_i1_w640.webp?v=1775685183","url":"https:\/\/ghco.co.nz\/products\/ventomax","provider":"The Greenhouse Company","version":"1.0","type":"link"}