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HERS-530 61 Ford Crossing Air Leakage Report lot 24Air Leakage Property61 Ford CrossingNorthampton, MA 01060 Weather:Northampton, MAHERS-530 61 Ford Crossingregistered.blg OrganizationPower House Energy Consulting413-835-5162Jamie Callan BuilderPecoy Companies Whole House Infiltration ASHRAE 62.2 - Ventilation RequirementsThe ASHRAE 62.2 flow rates shown above are the CONTINUOUS mechanical fresh air ventilation which will meet the 'whole-building'requirement under that version of the standard. Both values incorporate any appropriate 'infiltration credit'. Intermittentmechanical ventilation may be used if the flow rate is adjusted accordingly. For example, the runtime can be reduced to 12 hoursper day using a doubled flow rate, as long as the system provides ventilation at least once every 3 hours. For more detail, refer tothe appropriate standard. REM/Rate - Residential Energy Analysis and Rating Software v14.6.4This information does not constitute any warranty of energy cost or savings.© 1985-2016 Noresco, Boulder, Colorado. HERSConfirmed11/7/2016Rating No:HERS-530Rater ID:3463906 Duct Leakage Ventilation Blower Door TestHeating CoolingNatural ACH 0.09 0.07ACH @ 50 Pascals 1.38 1.38CFM @ 25 Pascals 411 411CFM @ 50 Pascals 645 645Eff. Leakage Area (sq.in) 35.4 35.4Specific Leakage Area 0.00011 0.00011ELA/100 sf shell (sq.in) 0.54 0.54 Leakage to Outside Units ductsCFM @ 25 Pascals 20CFM25 / CFMfan 0.0159CFM25 / CFA 0.0086CFM per Std 152 N/ACFM per Std 152 / CFA N/ACFM @ 50 Pascals 31Eff. Leakage Area (sq.in) 1.72Thermal Efficiency N/ATotal Duct Leakage Units CFM25/CFATotal Duct Leakage 0.1093 Mechanical Balanced ASHRAESensible Recovery Eff. (%) 67.0 62.2-2010Total Recovery Eff. (%) 52.0Rate (cfm) 70 53Hours/Day 24.0 24.0Fan Watts 30.0 Air Leakage Property61 Ford CrossingNorthampton, MA 01060 Weather:Northampton, MAHERS-530 61 Ford Crossingregistered.blg OrganizationPower House Energy Consulting413-835-5162Jamie Callan BuilderPecoy Companies Whole House Infiltration ASHRAE 62.2 - Ventilation RequirementsThe ASHRAE 62.2 flow rates shown above are the CONTINUOUS mechanical fresh air ventilation which will meet the 'whole-building'requirement under that version of the standard. Both values incorporate any appropriate 'infiltration credit'. Intermittentmechanical ventilation may be used if the flow rate is adjusted accordingly. For example, the runtime can be reduced to 12 hoursper day using a doubled flow rate, as long as the system provides ventilation at least once every 3 hours. For more detail, refer tothe appropriate standard. REM/Rate - Residential Energy Analysis and Rating Software v14.6.4This information does not constitute any warranty of energy cost or savings.© 1985-2016 Noresco, Boulder, Colorado. HERSConfirmed11/7/2016Rating No:HERS-530Rater ID:3463906 Duct Leakage Ventilation Page 2 of 2 Cooling Ventilation NaturalVentilation