--- product_id: 50241512 title: "Wiwir Solar Heat Sensitive Automatic Vent Opener for Greenhouses/Gardens Window, Max. Lifts 15 Lbs (Double Spring Vent Opener)" brand: "wiwir" price: "¥1935" currency: JPY in_stock: false url: https://www.desertcart.jp/products/50241512-wiwir-solar-heat-sensitive-automatic-vent-opener-for-greenhouses-gardens store_origin: JP region: Japan --- # Solar-powered Auto temp control Lifts 15 lbs Wiwir Solar Heat Sensitive Automatic Vent Opener for Greenhouses/Gardens Window, Max. Lifts 15 Lbs (Double Spring Vent Opener) **Brand:** wiwir **Price:** ¥1935 **Availability:** ❌ Out of Stock ## Summary > 🌿 Grow Smarter, Not Harder! ## Quick Answers - **What is this?** Wiwir Solar Heat Sensitive Automatic Vent Opener for Greenhouses/Gardens Window, Max. Lifts 15 Lbs (Double Spring Vent Opener) by wiwir - **How much does it cost?** ¥1935 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/50241512-wiwir-solar-heat-sensitive-automatic-vent-opener-for-greenhouses-gardens) ## Best For - wiwir enthusiasts ## Why This Product - Trusted wiwir brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **📏 Perfect Fit:** Compatible with most greenhouses, ensuring versatility in your garden. - • **💪 Durable Build:** Crafted from anodised aluminium for long-lasting performance. - • **🌡️ Optimal Growth:** Automatically maintains ideal temperatures for your plants. - • **🔧 Hassle-Free Setup:** Includes a detailed manual for easy installation—no drilling required! - • **♻️ Eco-Friendly Design:** Harnesses solar energy, reducing your carbon footprint. ## Overview The Wiwir Solar Heat Sensitive Automatic Vent Opener is a cutting-edge solution for greenhouse enthusiasts, designed to lift up to 15 lbs and maintain optimal growing conditions. With its eco-friendly solar operation and easy installation, this vent opener ensures your plants thrive without the hassle of manual adjustments. ## Description This very smart autovent uses energy from the sun and surrounding air. The autovents strong metal tube contains a mineral wax which expands with heat. This pushes a piston which opens the vent via a balanced linkage. As the temperature rasises, the vent will open. As the temperature drops, the wax shrinks and a strong stainless steel spring closes the vent and resets the piston. Things to remember: -Do not use this opener anywhere the temperature will exceed 60° (140f) -Please ensure your greenhouse window can be opened freely by at least 45cm (18") -Get the very best from your greenhouse plants and veggies - don't leave it to chance! Package included: - Automatic window opener x 1 - English manual x 1 ## Features - Suitable for Most Greenhouses--This Solar Vent Opener can lift up to 15 lbs. As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating. - Quality Construction--Reliable, quality built anodised aluminium automatic window opener for greenhouses or gardens. - Working Conditions--Start to open - 15°c - 23°c (59f-73f); Fully open temperature 35° (19f) or above; Fully open distance 45cm (18") - Environmental friendly--Non Electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops. - Easy to Use--Detailed installation manual included. Easy to fit, screws into wood and clamps onto aluminium greenhouses without the neeed for drilling. ## Technical Specifications | Specification | Value | |---------------|-------| | Package Dimensions | 37.6 x 10.4 x 5.8 cm; 560 Grams | | Part number | MV001 | | Item display height | 4 inches | | Item display length | 15 inches | | Item display width | 2 inches | | Manufacturer | Wiwir | | Manufacturer reference | MV001 | | ASIN | B072JTS2DX | ## Images ![Wiwir Solar Heat Sensitive Automatic Vent Opener for Greenhouses/Gardens Window, Max. Lifts 15 Lbs (Double Spring Vent Opener) - Image 1](https://m.media-amazon.com/images/I/61cxIh8RzUL.jpg) ![Wiwir Solar Heat Sensitive Automatic Vent Opener for Greenhouses/Gardens Window, Max. Lifts 15 Lbs (Double Spring Vent Opener) - Image 2](https://m.media-amazon.com/images/I/51hALNFMYUL.jpg) ![Wiwir Solar Heat Sensitive Automatic Vent Opener for Greenhouses/Gardens Window, Max. Lifts 15 Lbs (Double Spring Vent Opener) - Image 3](https://m.media-amazon.com/images/I/718AGDs8zWL.jpg) ![Wiwir Solar Heat Sensitive Automatic Vent Opener for Greenhouses/Gardens Window, Max. Lifts 15 Lbs (Double Spring Vent Opener) - Image 4](https://m.media-amazon.com/images/I/61CDemH0yfL.jpg) ![Wiwir Solar Heat Sensitive Automatic Vent Opener for Greenhouses/Gardens Window, Max. Lifts 15 Lbs (Double Spring Vent Opener) - Image 5](https://m.media-amazon.com/images/I/71535G-nRhL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/50241512-wiwir-solar-heat-sensitive-automatic-vent-opener-for-greenhouses-gardens](https://www.desertcart.jp/products/50241512-wiwir-solar-heat-sensitive-automatic-vent-opener-for-greenhouses-gardens) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-11-07*