$90.00 flow hood?
I've been chasing a low-cost flow hood for monitoring performance of my ventilation system for some time now, hoping to get one used, or through my HERS rater, and recently discovered a comment made by Martin here on June 15th '09 referring to a way of making a homemade flow hood "from a cardboard box and a $90 digital anemometer". (Right under my nose)
Can you give us an updated design for such an elegant contraption and recommendations for what anemometer to buy and what other diagnostic tests we might be able to accomplish with it? the choices on these things is overwhelming.
Posted Nov 15, 2011 9:43 PM ET
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I recently had a metal roof installed on my house and am wondering if it was installed properly. The roof was installed over two layers of shingles. The roof is over 20 years old with damaged and raised shingles. The contractor applied the metal directly