20W Roof-Mounted Solar Ventilation

20W Roof-Mounted Solar Ventilation

Strengthen air circulation
Extend roofing lifespan
Remove heat, moisture & dust
Deduct harmful mildews
Prevent ice-dam
Reduce the heat load on air-conditioning
ducting to help you save money

20W Roof-Mounted Solar Ventilation: 

In summer, solar attic ventilation fan balances indoor temperature to cooler
In winter, solar attic ventilation fan activates air circulation for a dry and refreshing indoor environment
Solar panel adjustable: 16.5kg/12inch, 17.5kg/14inch
Solar panel fixed: 14.5kg/12inch, 15.5kg/14inch
Loading quantity in 20ft container: 216pcs
Loading quantity in 40ft container: 516pcs
The optional solar battery system is packed in extra carton, size 390*390*120mm/0.018cbm

Function descriptions for 20W Roof-Mounted Solar Ventilation:
1. Improving air circulation
Taking advantage of the free & clean solar energy, this Roof-Mounted Solar attic fan 20W  will pump out the interior heat &
moisture to balance your house temperature, so as to provide a refreshing ventilation and more
environmental-friendly surrounding, and to lower down your general power consumption cost.

2. Extending roofing lifespan
Being exposed long to the strong sun, your roofing underlayment may go weak and even lose efficiency
under the very high temperature. This 20W Roof-Mounted Solar Ventilation can help reduce such heat to prolong their lifespan and to help you save certain maintenance or replacement fee.

3. Reducing moisture & harmful mildews
When collided with chilly attic-roof in winter, the interior warm & humid air will condense into water droplets, such
saturated humidity might cause dangerous electrical short circuit or create mildews to harm your plasterboards.

An adequate & more active indoor ventilation provided by this solar attic ventilation fan can help remove these moisture contents &harmful elements for you.

4. Preventing ice-dam
In snowy winter, interior warm air could melt those snows at roof to generate droplets falling down to the
eaves. These droplets will then refreeze into ice damming on your roof and arousing dangers, this  20W Roof-Mounted Solar Ventilation can help preventing such unsafe factors through keeping the indoor environment dry.

Detachable 20W Roof-Mounted Solar Ventilation: