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10D-019 HERS-418 167 Main St air leakage reportAir Leakage Property 167 Main St Leeds, MA 01053 Weather:Northampton, MA HERS-418 167 Main St registered.blg Organization Power House Energy Consulting 508-215-7141 David Gagne Builder Ed Jazab Carpentry Whole House Infiltration ASHRAE 62.2 - Ventilation Requirements The 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'. Intermittent mechanical ventilation may be used if the flow rate is adjusted accordingly. For example, the runtime can be reduced to 12 hours per day using a doubled flow rate, as long as the system provides ventilation at least once every 3 hours. For more detail, refer to the appropriate standard. REM/Rate - Residential Energy Analysis and Rating Software v14.6.3.1 This information does not constitute any warranty of energy cost or savings. © 1985-2016 Noresco, Boulder, Colorado. HERS Confirmed 9/1/16 Rating No:HERS-418 Rater ID:7013322 Duct Leakage Ventilation Blower Door Test Heating Cooling Natural ACH 0.08 0.06 ACH @ 50 Pascals 1.28 1.28 CFM @ 25 Pascals 381 381 CFM @ 50 Pascals 598 598 Eff. Leakage Area (sq.in) 32.8 32.8 Specific Leakage Area 0.00011 0.00011 ELA/100 sf shell (sq.in) 0.53 0.53 Leakage to Outside Units ducts CFM @ 25 Pascals 21 CFM25 / CFMfan 0.0128 CFM25 / CFA 0.0097 CFM per Std 152 N/A CFM per Std 152 / CFA N/A CFM @ 50 Pascals 33 Eff. Leakage Area (sq.in) 1.81 Thermal Efficiency N/A Total Duct Leakage Units CFM25/CFA Total Duct Leakage 0.0885 Mechanical Exhaust Only ASHRAE Sensible Recovery Eff. (%) 0.0 62.2-2010 Total Recovery Eff. (%) 0.0 Rate (cfm) 58 52 Hours/Day 24.0 24.0 Fan Watts 7.6 Cooling Ventilation Natural Ventilation