LANGY 42W Solar Attic Fan

Reduce HVAC Costs Up to 40% & Protect Your Home Year-Round

Key Features & Benefits

Slash HVAC Costs

  Winter: Prevents moisture buildup, reducing mold, rot, and insulation damage risks.

Summer: Reduces attic temperatures by up to 40°F, lowering AC workload and energy bills.

Smart Thermostat Control

Built-in preset thermostat for automatic operation:

• Automatically starts at 77°F
  


• Automatically stops at 73°F
  

This feature can be disabled for manual control.

Quite & Maintenance-Free

42W high-efficiency solar panel provides quiet, clean energy operation.

Low noise level and no maintenance required

Built to Last

Steel support parts guarrantee solid structures and aluminum alloy frame delivers lightweight and conveniences

Hybrid solar + AC power ensures non-stop airflow 24/7.

Smart Thermostat Operation

The fan features intelligent thermostat control to optimize energy efficiency and maintain ideal attic conditions automatically.

The fan automatically activates when attic temperature reaches 77°F and stops when it cools to 73°F, maintaining optimal conditions without manual intervention.

Technical Specifications

24/7 Hybrid Power Operation

The LANGY 42W\'s hybrid power system ensures continuous operation regardless of weather conditions, providing year-round attic ventilation.

Daytime Operation

Powered by high-efficiency solar panels using clean, renewable energy

42W solar panel provides ample power for maximum airflow

Night & Cloudy Days

Automatically switches to AC power when solar is insufficient or unavailable.

The adapter is a great supplement for the solar supply. And they can work independently.

The hybrid power system ensures your attic stays ventilated day and night, 365 days a year.

DIY-Friendly Installation

Installation is intuitive and a breeze

Video Guide

Step-by-step installation video

All Hardware

Everything included

Leak-Proof

Watertight design

Quick Setup

1-2 hours installation