Take your solar attic fan to the next level with the Solar Star Thermal Switch. This innovative add-on ensures optimal performance by automatically adjusting the fan’s operation based on attic temperature, reducing energy waste and extending the life of your fan.

Important: The Thermal Switch is an alternative control option and should not be used with the ClimaSense™ Upgrade.

Key Benefits

• Temperature Control: Activates the fan when attic temperatures exceed 85°F (29°C) and deactivates it when they drop below 65°F (18°C).
• Energy Efficiency: Reduces unnecessary operation during colder months, saving energy and lowering wear and tear.
• Universal Compatibility: Easily integrates with all Solar Star attic fan models.
• Enhanced Comfort: Keeps your attic properly ventilated year-round without manual adjustments.
• Note: Do not use with ClimaSense™ Upgrade.

Installation Made Easy

The Solar Star Thermal Switch is straightforward to install and comes with step-by-step instructions for quick integration into your existing attic fan system. Note: Installation is recommended prior to roof installation for optimal convenience.

View Installation Instructions

How It Works

The Thermal Switch enhances your attic ventilation system by automating fan operation based on temperature. It helps your fan work smarter, turning off during colder periods to save energy and turning back on as attic temperatures rise, ensuring your home remains comfortable and your attic stays protected from heat and moisture buildup.

Why Choose the Solar Star Thermal Switch?

Whether you want to boost energy savings, prolong your fan's lifespan, or enjoy worry-free performance, the Solar Star Thermal Switch is the perfect addition to your attic fan system. It’s a small upgrade with a big impact on comfort, efficiency, and durability.