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.
Attic fan solar vs wired total cose.
Electric fans can cost you online 50 100 while solar units prices are in the range 200 300.
Solar attic fan pros.
Ad the infrared rays from the sun are powerful.
Electric attic fans vs.
The best solar attic fans are more expensive than electric units.
Quietcool attic fans work almost everywhere almost anytime.
The less expensive of the two types of fans is the electric attic fan with an average cost of approximately 250 to 350 installed.
The powerful 40 watt amtrak solar attic fan is another great option that can help you reduce the attic temperature from 150 f to 90 f by extracting all the hot air that is concentrated inside the attic during summer seasons.
During the summer an attic can be 40 to 50 hotter than the outside temperature which in turn heats up the house very quickly.
Solar powered attic fans rely on a small solar panel typically 10 or 20 watt to power a dc motor.
Electric attic fans are more powerful and cheaper than solar attic fans but they consume a lot of power.
Although you can recoup the initial expense through your energy cost savings over time there is a barrier to entry with this product.
Also the product has a thermally protected fan.
Electricity is largely generated by non renewable polluting sources.
Even if you prefer a professional installation the labor costs will be lower since it doesn t require any additional wiring.
Plus solar attic fans are typically whisper quiet.
A solar powered attic fan will average 600 installed.
List of the cons of solar attic fans.
Electric attic fans also cost much less than the solar variety.
Good insulation reduces fan effectiveness.
You also have to pay for electricity while the sun s rays are free.
A solar attic fan is a self contained unit.
A homeowner can easily install it.
The price of solar attic fans requires a greater capital cost for homeowners compared to the traditional models.
Adding a humidistat would cost about 39.
With an attic fan you can cool the attic to the same temperature as it is outside greatly reducing the house from heating as quickly.
Attic ventilation fans whether hard wired or powered by their own solar panels seem like a low cost and effective way to help keep your house cool.
There is a cost factor to consider with a solar attic fan.
For example an electric fan adequate for venting a 2 500 square foot attic would cost about 149.
Solar powered attic fans.
The fans are installed with intake vents to provide high capacity powered ventilation without.
However the utility of attic ventilation fans is actually quite a controversial topic.
Cons of electric attic fans.