Fanspex 8" Solar Exhaust Fan for Greenhouse, Shed & Chicken Coop — 25W IP67 Panel, 285 CFM Daytime Ventilation

Fanspex 8" Solar Exhaust Fan is a self-powered ventilation kit that uses a 25W solar panel to move up to 285 CFM of air for greenhouses, sheds, and chicken coops during daylight hours.

This kit combines a robust 9.8 x 9.8 inch exhaust fan with a 25W IP67-rated solar panel to deliver reliable daytime airflow without drawing mains power. It’s driven by an efficient DC brushless copper motor and designed for outdoor environments where running AC wiring is inconvenient or impossible. Because it runs directly from sunlight, performance varies with light intensity and it does not include a battery backup — ideal when you want low-maintenance, daytime-only ventilation.

How much ventilation can this fan provide for my greenhouse?

The Fanspex exhaust fan moves a substantial volume of air at peak sun, rated up to about 285 CFM when conditions are optimal. That airflow helps reduce heat buildup and improves air exchange for plants or animals during the hottest part of the day.

• Fan size: 9.8 x 9.8 inches for broad coverage
• Peak airflow: up to 285 CFM under strong sunlight
• Motor: 100% DC brushless copper motor for efficiency and lifespan
• Works only in daylight — no battery included

What powers the Fanspex solar exhaust fan and how durable is the panel?

The system is powered by a 25W solar panel that converts sunlight directly into electrical energy for the fan. The panel is built to endure outdoor conditions with an IP67 waterproof rating, making it suitable for mounting on greenhouse roofs, sheds, or coop exteriors.

• Solar panel output: 25W maximum to run the fan during sunny hours
• Weather resistance: IP67 rating protects against water and dust
• Plug-and-play: waterproof connector and onboard on/off switch
• Daytime operation: tied to light intensity; will not run at night or in heavy rain

What installation and controls should I expect?

Installation is straightforward: mount the fan in a wall or ventilation opening and position the solar panel where it receives direct sun. A 16.4 ft cable between the fan and panel gives flexibility for panel placement, and the unit includes an anti-backflow valve to prevent outside air from re-entering when the fan is idle.

• Cable length: 16.4 ft for flexible panel placement
• On/off: simple button with waterproof connector for outdoor use
• Backflow prevention: built-in valve to reduce reverse airflow
• No AC wiring required — fully solar-powered during daytime

Will this fan work for a chicken coop or shed?

Yes — the Fanspex fan is suited for small to medium enclosures where daytime ventilation improves comfort and air quality. It helps control temperature and humidity during sunny periods, though you should plan for alternate ventilation at night or on overcast days since there’s no battery backup.

• Best fit: small-to-medium greenhouses, chicken coops, tool sheds
• Daytime-only solution: pair with passive vents or battery systems for 24/7 control
• Quiet, efficient motor reduces maintenance compared with AC fans
• Weatherproof components made for outdoor installations

Who is this for: The Fanspex 8" Solar Exhaust Fan is designed for gardeners, backyard poultry keepers, and homeowners who need a low-maintenance, solar-powered ventilation solution for small structures. Choose this kit if you want a plug-and-play fan that runs on sunlight, delivers strong daytime airflow, is easy to mount, and avoids the cost and complexity of running AC power or installing batteries. If you require continuous 24-hour ventilation regardless of weather, consider adding a battery backup or a hybrid system.