If you are blowing the hot air out of your attic during the.
Solar attic vents pros cons.
When sunlight is blocked for whatever reason the fan comes to a halt immediately.
Cons of solar attic fans.
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.
If the angle of the sun is not high enough the fan will spin more slowly.
On the cons this attic fan may be too loud for some users.
However in arizona there s 299 days of sun on average in the phoenix valley.
Ad the infrared rays from the sun are powerful.
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.
Other factors also affect the operation of the solar fan.
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.
Almost all attic fans except turbine and solar are controlled by a thermostat.
It will only function when direct sunlight falls on the panel.
It is also more expensive versus other choices on the market are.
It will make a home become more energy efficient.
In some regions of the country that get a lot of rain and snow they aren t as reliable.
List of the pros of solar attic fans.
Solar powered attic fans use the energy from the sun to power the fan.
If a solar powered fan won t work for your location you ll need to hard wire one in.
Still it is your dependable choice if you are looking for many years of use.
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.
First the air in the attic is generally warmer than in the rest of the house owing to the fact that hot air rises.
Some cons of attic ventilation are explained below.
Also if the house is leaky the fan could actively be pulling warmer air from the home or other areas of the roof.
While attic fans provide the same kind of ventilation of roof vents there are a few downsides.
The thermostat is adjustable by the homeowner and.
The solar fan does have its downsides.
But after seeing my solar powered attic fan work i have a long list of cons.
What are attic ventilation fans.
The solar panel.
This option runs on a renewable energy resource.