Air Leakage of U.S. Homes: Model Prediction

Publication Type
Conference Proceedings
Authors
LBL Report Number
LBNL-62078
Abstract
Air tightness is an important property of building envelopes. It is a key factor in determining infiltration and related wall-performance properties such as indoor air quality, maintainability and moisture balance. Air leakage in U.S. houses consumes roughly 1/3 of the HVAC energy but provides most of the ventilation used to control IAQ. The Lawrence Berkeley National Laboratory has been gathering residential air leakage data from many sources and now has a database of more than 100,000 raw measurements. This paper uses a model developed from that database in conjunction with US Census Bureau data for estimating air leakage as a function of location throughout the US.
Conference Name
Buildings X Conference - Thermal Performance of the Exterior Envelopes of Whole Buildings
Year of Conference
2007
Pagination
Air Tightness II-Practices III-A
Publisher
U.S. DOE, Oak Ridge National Laboratory
Conference Location
Clearwater Beach, FL
ISBN Number
978-1-933742-28-1
Custom 1
2.3
Organizations
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