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HERS-158 90 Moser St air leakageAir Leakage Property 90 Moser St Northampton, MA 01060 Weather:Northampton, MA HERS-158 90 Moser St registered.blg Organization Power House Energy Consulting 413-835-5162 Matt Turcotte Builder Pecoy Companies Whole House Infiltration ASHRAE 62.2 - 2010 Ventilation Requirements For this home to comply with ASHRAE Standard 62.2 - 2010 Ventilation and Acceptable Indoor Air Quality in Low-Rise Residential Buildings, a minimum of 56 cfm of mechanical ventilation must be provided continuously, 24 hours per day. Alternatively, an intermittently operating mechanical ventilation system may be used if the ventilation rate is adjusted accordingly. For example, a 112 cfm mechanical ventilation system would need to operate 12 hours per day, as long as the system operates to provide required REM/Rate - Residential Energy Analysis and Rating Software v14.4.1 This information does not constitute any warranty of energy cost or savings. © 1985-2014 Architectural Energy Corporation, Boulder, Colorado. HERS Confirmed 8/28/14 Rating No:HERS-158 Rater ID:1497133 Duct Leakage Ventilation Blower Door Test Heating Cooling Natural ACH 0.07 0.05 Leakage to Outside Units ducts Mechanical Balanced ACH @ 50 Pascals 1.08 1.08 CFM @ 25 Pascals 16 Sensible Recovery Eff. (%)67.0 CFM @ 25 Pascals 315 315 CFM25 / CFMfan 0.0127 Total Recovery Eff. (%)52.0 CFM @ 50 Pascals 494 494 CFM25 / CFA 0.0061 Rate (cfm)65 Eff. Leakage Area (sq.in)27.1 27.1 CFM per Std 152 N/A Hours/Day 24.0 Specific Leakage Area 0.00007 0.00007 CFM per Std 152 / CFA N/A Fan Watts 30.0 ELA/100 sf shell (sq.in)0.40 0.40 CFM @ 50 Pascals 25 Cooling Ventilation Natural Ventilation Eff. Leakage Area (sq.in)1.38 Thermal Efficiency N/A Total Duct Leakage Units CFM25/CFA Total Duct Leakage 0.1543