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Guidelines for Measuring Air Infiltration Heat Exchange Effectiveness (IHEE), Submitted to the Texas Higher Education Coordination Board Energy Research Application Program Project #227
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This report is presented to the Texas Higher Education Coordination Board as a deliverable under the Energy Research and Applications Program Project #227, which targeted reducing the design size of HVAC systems in houses since the actual air infiltration energy consumption is less than the design values due to air infiltration heat recovery in house components.
DescriptionThis report presents three methods of measuring the air infiltration heat recovery in buildings. The blower door method estimates the air infiltration heat recovery using a test which takes less than one hour, and gives information to the contractors making retrofit decisions. The co-heating method identifies the relationship between the infiltration heat recovery and the air flow rate using two or three nights of testing. This method has higher accuracy than the blower door method and is suitable for use by both contractors and researchers. Finally, the STAM (short term average method) investigates the relationship between air infiltration heat recovery and air flow rate, air flow direction, and solar radiation. This is a comprehensive method which is most suitable for use by researchers.
SubjectTexas Higher Education Coordination Board
air infiltration heat recovery
blower door method
short term average method
Liu, M.; Claridge, D. E. (1993). Guidelines for Measuring Air Infiltration Heat Exchange Effectiveness (IHEE), Submitted to the Texas Higher Education Coordination Board Energy Research Application Program Project #227. Energy Systems Laboratory (http://esl.tamu.edu), Texas A&M University; Department of Mechanical Engineering, Texas A&M University. Available electronically from