The Pros and cons of
Advanced Whole House Fans
Whole house fans can be a good way to cool a home because they use less energy than air conditioning and can help move cool air around the house. But they can be loud and might not be a good choice in places with a lot of pollution or allergens. Before deciding if a whole house fan is right for your home, you should think about the pros and cons.
One possible benefit of a whole house fan is that it uses less energy than an air conditioner and can help move cool air around the house. They can also be put in for less money than air conditioning.
Some things that could be bad about using a traditional whole house fan are that they can be loud and they might not work well in places with a lot of pollution or allergens. You will want to monitor the air quality in your local area when using a whole house fan. You can look the up the air quality using your weather application on your phone. Also, they might not be good at keeping a house cool in very hot weather climate where it doesn’t cool off in the morning or nightime hours. Before you decide if a whole house fan is right for your home, you should think about these things. Most of the negative perception of whole house fans come from the traditional whole house fans. These fans have been around since the 1960’s and they have a lot of cons.
Here are the con list of the traditional whole house fan:
- Not energy efficient because they use shaded pole motors.
- No damper system in place to prevent air from leaking from your attic to your living space. This can be a problem in both the winter and summer.
- Traditional whole house fans are not aesthetically pleasing with a giant 36”x 36” hole on your ceiling.
- Loud operation that operates at 70-80 decibels this is equivalent to a vacuum turned on.
- Lastly, these traditional whole house fans take twice the amount of time to instal. You also need to cut the joist and frame in the fan for proper installation. If you install it on top of the joist of the attic you will block the airflow of the fan and lose up 50%-75% of your airflow.
Here are the pros of a Modern or advanced whole house fan:
- Most energy efficient fans in the residential space. They move up tp 50 cfm per watt compared to a bath fan that does a 1:1 cfm per watt ratio.
- There is a damper system in place that prevents the air from the attic leaking back down into your home.
- Aesthetically pleasing grilles that are around 14”x18” in size on average.
- Quiet operation that has an average decibel rating of 45 which is quiter than the a/c system.
- The installation time is quick and easy with no joist cutting. You can install a modern or advanced whole house fan as little as 1 hour.
You can easily see that the modern or advanced whole house fans have come along way in technology have improved all the negatives of the original traditional whole house fan.
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