If a solar powered fan won t work for your location you ll need to hard wire one in.
Solar attic vents pros cons.
If the angle of the sun is not high enough the fan will spin more slowly.
In some regions of the country that get a lot of rain and snow they aren t as reliable.
First the air in the attic is generally warmer than in the rest of the house owing to the fact that hot air rises.
Cons of solar attic fans there are also a number of negative points to keep in mind when you re considering installing a solar attic fan in your home.
Solar attic fan cons.
However in arizona there s 299 days of sun on average in the phoenix valley.
Also if the house is leaky the fan could actively be pulling warmer air from the home or other areas of the roof.
It will make a home become more energy efficient.
The solar fan does have its downsides.
List of the pros of solar attic fans.
While attic fans provide the same kind of ventilation of roof vents there are a few downsides.
Other factors also affect the operation of the solar fan.
The thermostat is adjustable by the homeowner and.
Cons of attic ventilation unfortunately most homes are improperly ventilated which can result in mold wasted energy ice dams premature roof system degradation rotting decks peeling paint and ceiling stains.
The solar attic fans all moved less than 1 000 cubic feet of air per minute cfm and they did nothing to lower the temperature inside my own attic.
Ad the infrared rays from the sun are powerful.
That means tough luck if your attic is still hot when the sun goes down.
Solar powered attic fans use the energy from the sun to power the fan.
On the cons this attic fan may be too loud for some users.
This option runs on a renewable energy resource.
Almost all attic fans except turbine and solar are controlled by a thermostat.
When sunlight is blocked for whatever reason the fan comes to a halt immediately.
It will only function when direct sunlight falls on the panel.
My fan only works when it is getting direct sunlight on the solar panel if a cloud drifts through the sky blocking out the sun the fan stops spinning immediately as the sun sets the attic is still hot and my solar fan stops spinning.
What are attic ventilation fans.
While a solar attic fan generally costs a little more than a basic electric model they do use less power.
Some cons of attic ventilation are explained below.
It is also more expensive versus other choices on the market are.
But after seeing my solar powered attic fan work i have a long list of cons.
The most significant benefit of solar attic fans is that they operate using renewable energy.
Cons of solar attic fans.