The blower doors are fans that are inserted between doors. The fans also have pressure gauges on them, so that you can control the flow of air through the door way. Their use is to help determine where the leaks are in a house. The owner can get the leaks sealed up once they figure out where they all are by using the blower doors. They are useful when determining what areas do not need weatherization. As well as helping to determine if the spot you sealed was done correctly. (U.S. Department of Energy, 2008) In all blower doors help weatherization crews, because it would be hard to find leaks in a house without this technology. Plus it would be tough to know whether or not you did a good job sealing up the leak without the blower door.
I did not know anything about blower doors before reading this article. I find blower doors interesting and I always wondered how weatherization crews knew if they did a good job or not. Also, I think it is awesome that the crews can double check how well they did weatherizing the houses. Plus it is their job to make sure if they sealed up all the leaks in the house. The blower door is almost like a spell check. I also find it funny that these fans can detect leaks in a house, because I would have never thought something so non technological compared to laptop, iphones, and ipods could help weatherization crews. However, I am glad that these blower fans were created to help weatherization crews not only find leaks, but make sure they sealed up all leakks, because it lowers the households energy consumption.
Blower Door Tests.(2009).Retrieved April 1, 2010, from http://www.energysavers.gov/your_home/energy_audits/index.cfm/mytopic=11190
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