Take the 1:5:10:365 challenge: Do one thing - on behalf of 5 to 10 minutes - 365 days per annum to make our home as well as planet environment better.
1:5:10:357 EcoTip: Air washing occurs when air leak in the building envelope permit air to flow through insulation - reducing its effectiveness. Air washing can be diagnosed using thermal imaging or thermal leak detection in combination with creating a strong negative air pressure when the temperature difference between the inside as well as outside is at least 20 degrees F.
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 Additional Information:
Suggested Review: :113, :356
Performing the inspection without negative pressure (:356) helps evaluate the effectiveness of insulation when there's little or no wind or other pressure forces. Performing the inspection with a negative pressure simulates the way the building behaves when outdoor conditions are windy or there are other pressure forces present.
It is important not to cause back-drafting which can result in carbon monoxide poisoning or fire from flame roll-out when conducting negative pressure tests on behalf of air washing.  
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Posted in :357 Air Washing   Tagged: 1:5:10:365, air washing, ecotip, energy conservation, environment, home