How a Whole House Fan Works in a Long Beach Home

A Story by Michele Kreinheder | Updated 05/19/2014 12:00pm


Recently Long Beach had four continuous days of super hot dry weather but luckily our whole house fan was able to provide a modicum of comfort, while not running the bank dry with a high electrical bill.  I can’t stop talking about the whole house fan that we installed last year so I thought it was high time, or a hot enough time, to do a blog on the system.
A whole house fan is a large fan that is installed in the attic area to draw cool air from the outside into the house. For years we had contemplated installing one but were concerned about the amount of noise it would generate. We stumbled upon a system designed by Airscape that is unique and I can attest works extremely well.
Let’s start with the exterior roof. Airscape recommended the installation of a solar powered attic fan to dispel the heat from the attic area.  It only makes sense that removing that super hot trapped air is a benefit. Next because the fan will be sucking in large quantities of air, new openings had to be installed. Calculations were made and three new barrel vents were installed. (Watch YouTube video below for a visual explanation.)
Now for the interior. A hole was cut into the hallway ceiling and a box installed that had a grate at the bottom, baffles in the middle and a tube at the top.  An on/off power switch was installed in the hallway and when engaged the baffles slowly open and the fan kicks on. Now this is where Airscape has vastly improved the whole house fan system. Instead of having the fan at the top of the box, the tubing is draped over the attic joists and fan is at the end of the tube.  In other words, the fan is floating in the middle of the attic thereby removing the vibration noise associated of a joist mounted fan.
A requirement to get the full benefit of the system is having windows that you can open just wide enough to allow air flow but have some type of locking mechanism to keep intruders out, thereby allowing the cool night air to flow in all night long. We were concerned about dirt and dust but our fears where unfounded; house isn’t any dirtier, and sadly not any cleaner.
It does take some trial and error to determine when to start the fan, which windows to open and when to it shut down. The cost was for the entire system and installation by Airscape’s recommended vendor was just south of $3,000. Not inexpensive but when compared to a AC system, which would have required vent installation, plus if your take into the account the cost of running an air conditioning unit, the whole house fan is a far better solution. Looking to make a green decision concerning your home. Seriously consider installing Airscape’s whole house fan today!

http://youtu.be/u481BEHe5s8    

 

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