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©Retrotec 2017
8.5 If no Results are displayed (--) ............................................................................... 44
8.6 Cannot achieve test pressure ................................................................................ 45
9. Restore the house to pre-test conditions after testing is complete ............. 46
10. Create a Duct Leakage Test Report with Potential Energy Savings ........... 47
10.1 Get the Excel spreadsheet based software to run on your system ......................... 48
10.1.1. Enable Macros (with Office 2007) ........................................................................ 48
10.1.2. Enable Macros (with Office 2010) ........................................................................ 48
10.1.3. Showing/Hiding the Ribbon .................................................................................. 49
10.1.4. Enter test information and results into green cells .............................................. 49
10.2 Choose metric or imperial units for results ............................................................ 49
10.2.1. Imperial units ........................................................................................................ 49
10.2.2. Metric units ........................................................................................................... 49
10.3 Choose Duct Test type .......................................................................................... 50
10.4 Enter the Target test pressure ............................................................................... 50
10.5 Enter date the test was carried out ....................................................................... 50
10.6 Enter specific parameters for the conditions of this test ........................................ 50
10.6.1. Conditioned Floor Area ......................................................................................... 50
10.6.2. Air Handler Flow ................................................................................................... 51
10.6.3. Baseline pressure .................................................................................................. 51
10.6.4. Enter whether pressurizing or depressurizing (Test direction) ............................ 51
10.7 Enter readings from this test ................................................................................. 51
10.7.1. Duct Pressure ........................................................................................................ 51
10.7.2. “Enter Flow directly” selection or Range Configuration selection ....................... 52
10.7.3. Convert “Flow/Area” data so it can be entered into spreadsheet ....................... 53
10.8 Spreadsheet will calculate Cost of Duct Leakage .................................................... 53
10.8.1. % of Duct Leakage to Outdoors ............................................................................ 54
10.8.2. Annual Cooling Cost .............................................................................................. 54
10.8.3. Annual Heating Cost ............................................................................................. 54
10.8.4. Average Duct Operating Pressure ......................................................................... 54
10.8.5. Leakage Split ......................................................................................................... 54
10.8.6. Supply Leakage Penalty ........................................................................................ 54
10.8.7. Return Leakage Penalty ........................................................................................ 55
10.9 Save the Duct Leakage Test Report as a PDF file .................................................... 55
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