UAEP Residential Energy Audit
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A Residential Energy Audit is performed by a nationally certified energy auditor, this individual has completed the Home Energy Rater Certification Training conducted by the Kansas Building Science Institute (KBSI). Once the training course has been completed, the individual must pass the RESNET National Rater Exam. Then they are able to conduct on-site inspections, were they measure the amount of air leakage in the home, using Blower Door pressurization test. This test measures the difference in pressure from within the home to the reference pressure outside, the unit of measurement is pascals(Pa). The test is conducted by placing the Blower Door in an open exterior door, prepare the home for the test, and adjusting the fan speed to establish a 50 Pa difference in pressure with reference to the outside pressure. Once the required pressure is reached, we take a reading of the number of cubic feet per minute (CFM) of air flowing through the fan housing of the Blower Door. This figure is the most common and accurate way of comparing the air tightness of buildings; it is used to describe how much air is flowing through a house from indoors to outdoors during typical, natural conditions. Many refer to this as a measure of the draftiness of the home, which can be visually illustrated by opening a window to the measured amount of air leakage.