A solar attic fan can be an excellent addition to any home as long as you understand how they function and know how many youll need on your home to make a real difference.
Not only can you save money, but you can prolong the life of your roof and prevent heat damage from the build up of excessively high temperatures during warmer weather.
There are two types of solar power attic fans: gable-end and rooftop. In order to operate a solar fan in your attic, youll first install solar panels onto your roof. The energy captured by the solar panel is stored in a battery so that when the sun isnt shining down directly, such as a cloudy day or at night, there is power available to run the attic fan.
An attic fan will remove the hot air that gathers inside the attic on those extremely hot days. Attics without proper air circulation run the risk of mold or mildew developing as a result of too much moisture gathering and being trapped inside the attic space.
Solar power attic fans are installed on the inside of the attic of your home and on the exterior roof. Youll have to make a hole in the roof to install. Attic fans can be a nice supplement to a solar air conditioning unit.
These solar fans are best utilized in climates where the sun shines most of the time.
You can also find solar fans which do not have moving parts, which are known as solar ventilators. These can be installed on flat or pitched roofs without an adjustable base.
You can learn more about their pros and cons, and how they work here!
Youll need a few things in order to install your attic fan(s). The fan itself is the easiest part of the install process. The installation of the solar panel is a bit trickier, so if you think youd like to have help with that part, hire a professional (just for the solar panel).
For installing the fan, youll need the following:
There are, as with any solar powered appliance or equipment, pros and cons to a solar attic fan. On the plus side, they cost nothing to operate once theyre installed and can have a dramatic effect on your energy costs when it comes to cooling the home. These fans operate quietly, so you dont even realize they are working.
Professional installation is not required since there is no electricity involved, so youll save a lot of money in that area too. It is possible that the life of your roof and your home could be extended with the use of attic fans because moisture doesnt have a chance to build up and cause damage.
There are some considerations with attic fans of which you should be aware prior to making the decision to purchase one or several for your home.
This could become a dilemma for some homeowners who wouldnt appreciate the appearance of several attic fans on their roof.
The cost of a solar attic fan runs roughly $300 to $500, depending on the style you choose.
Solar powered attic fans are great for areas in your home that are difficult to install electrical wiring in. The performance of your attic fan will vary a great deal depending on your climate, and also on the brand of fan that you choose.
Some tips to help you find a solar fan that works well:
Another thing to keep in mind is that if you also have solar roof vents, these may dilute the air flow from your solar fan.
These solar attic fans and solar ventilators are some of the most popular models. After looking through dozens of models, these are the ones I would start with.