For any solar fan to perform well it will need power from solar panel. If the solar panel is lowwattage the fan motor will not get enough power to run the fan. Amtrak Solar provides 50 Watt High-Quality Crystalline Solar Panel. This fan It could be Installed in the gable vent or anywhere in the attic. This is a 12 volt DC fan configured to work with a solar panel. The fan turns on as soon as the sunlight hits the solar panel and runs all day. keeps the house cool and ventilated with fresh air circulation all day. Do not need to make holes in the roof. No need for electricians, No permits, No inspections. Wiring is quick and easy. Solar panels come with 4 mounting brackets for the solar panel. Instructions to install solar fan are included. 15' Feet of wire included with quick connect fitting. Free optional thermostat upon request. Built in the U.S.A. We believe Cool house makes Happy Customers! The fan has a powerful 12 volt DC motor This is a compact fan and it comes with four mounting tabs so it is easy to install. It is also has a very powerful fan motor install the fan behind the Gable Vent The fan is designed to be installed easily behind the Gable Vent to remove the hot air out of the attic. The solar fan helps keep the house cool in summer and remove the moister in winter The Sun warms the house, but solar fan uses the Sun's energy to keep your house Cool and Ventilated Kit includes Z brackets and Extra 15 Feet of Wire with Preinstalled Plug & Play Waterproof Connectors 4 Z Brackets to Install Solar Panel Kit includes 4 Z Brackets to install solar panel 15 Feet of Wire Extra 15 feet of wire is included so the solar panel can be installed on the roof and connected to the fan Plug & Play Connectors Wire connectors are preinstalled so the whole kit is simply plug & play! New High Efficiency Fan Bade This is New High Efficiency blade spins very fast at the RPM of 3700 to 4000 and moves twice the speed of normal fan blade. We offer this fan blade and a custom made special washer for the upon request. Solar Powered Fan installed in a Cabin Nice fan for Direct Solar Panel Operation. This fan is installed in a cabin to keep it cool and ventilated. It can also be installed in garage, shed, greenhouse, attic or any place ventilation is needed. Fan for Chicken Coop Great for chicken coop It does make a big difference in the air quality inside the chicken coop Airflow direction of the Fan Compact and powerful This fan hums at high speed and it exhausts a lot of hot air. At full power it can blow the vent flaps open and move out the hot air out! Air circulation for Shed Pretty neat Installed in an open horse shed keeps the horse shed cool and ventilated!