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Introducing our NEW Solar Ventilator — Fresh Air, No Wiring, No Compromise
We’re excited to bring a fresh, innovative addition to our product lineup: the YIS Marine Solar Ventilator for Marine, Caravans & Motorhomes. This isn’t just another fan — it’s a smart, self-powered ventilation solution designed for life on the road or out at sea.
Whether you're in a motorhome on a cross-country trip or anchored in a remote bay, proper airflow can make all the difference. Let’s dive into what makes this ventilator stand out, and how it can transform the comfort and livability of your rig.
✅ Why This Product Matters
Enclosed spaces in boats, RVs, and motorhomes are vulnerable to stale air, heat buildup, moisture, and odors. Traditional ventilation often demands wiring, draws power, or fails when the sun is blocked.
The YIS Solar Ventilator solves those challenges elegantly:
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100% solar-powered / no external wiring needed — there’s a 1.8 W, 3 V solar panel that charges an internal 2400 mAh NiMH battery.
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Runs well into the night — when fully charged, it can provide ventilation for up to 22 hours after sunset.
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Intake and exhaust modes — you can choose whether it’s pulling fresh air in or pushing stale air out.
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Auto restart at sunrise — even if the battery fully drains, the fan comes back on with daylight through a mechanical switch.
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Durable and weatherproof — a low-profile 304 stainless steel cover, watertight gaskets, and robust design for marine / outdoor exposure.
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Simple installation — just drill a Ø 120 mm hole, bolt it down with the included hardware, and you’re done (no wiring run required).
The bottom line: it delivers reliable airflow with minimal fuss, energy-free, even in remote settings.
🧭 Ideal Use-Cases & Benefits
Here are some scenarios where the YIS Solar Ventilator shines:
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Remote camping or anchoring — when you're off-grid and can’t rely on shore power, this ventilator works independently.
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Low power rigs — RVs and boats with tight power budgets benefit from a ventilation system that doesn’t drain your batteries.
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Preventing condensation and mold — consistent airflow helps reduce humidity, moisture buildup, and musty smells.
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Improving air quality — on hot days, it helps expel heat and stale air, bringing in fresher air without running the engine or A/C.
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Easy retrofits — especially for older rigs lacking factory roof vents or where wiring is problematic.
💡 Tips for Installation & Best Performance
To get the most out of this ventilator:
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Choose optimal placement — pick a spot on the roof or high wall with good sun exposure (for the solar panel) and minimal shading.
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Seal carefully — use good marine-grade sealant around the mount to prevent leaks.
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Use in pairs (if possible) — one as intake, one exhaust, for better cross-ventilation in large spaces.
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Mind battery orientation — ensure the included battery is inserted correctly for proper operation.
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Periodic cleaning — keep the solar panel surface clean from dirt, bird droppings, etc., to maintain charging efficiency.
🔍 What This Adds to the Expedition Upfitter Lineup
At Expedition Upfitter, our mission is to equip adventurers with durable, practical gear. The YIS Solar Ventilator complements our existing offerings in:
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Off-grid power & solar systems
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Venting, insulation, and climate control
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Marine / overlanding electrical accessories
This product fills a niche between high-draw powered air movers and passive vents. It gives your vehicle (or boat) a “smart breathing” capability without relying on your battery bank.
🛒 Availability & Ordering Info
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Stock status: In stock, ready to ship.
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Shipping: Ships via our standard carriers (note: P.O. boxes / rural routes may be affected by postal constraints)
Final Thoughts
The YIS Marine Solar Ventilator is an elegant, low-maintenance solution for keeping the air in your enclosed space fresh and healthy — all powered by sunlight. It’s a smart addition for anyone who wants comfort, convenience, and airflow without draining their battery bank or adding complex wiring.