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Heat Loss
 

   

 

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Building envelope surveys performed using infrared thermography can quickly and non intrusively identify areas of heat loss and exfiltration. HVAC systems design specifications are based on an understanding of the actual building material heat transfer properties (emissivity, thermal conductivity etc.,) and air infiltration and exfiltration.  Buildings in which heat loss exceeds the assumed values used during specification of the HVAC system will result in either excessive system operation and costs to maintain the desired envelope or, in extreme cases, failure of the system to meet the desired envelope.

 

Note signifcant heat loss from one window.
 
Note significant heat loss under eve of roof. Note significant heat loss under eve of roof.
 


 

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Last modified: 03/14/06