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083-12 24 Nutting Ave air leakageAIR LEAKAGE REPORT Date:May 14, 2013 Rating No.:083-12 Building Name:24 Nutting Ave Rating Org.:Power House Energy Consulting Owner's Name:Phone No.:413-835-5162 Property: 24 Nutting Ave Rater's Name:Matt Turcotte Address:Northampton, MA 01062Rater's No.:1497133 Builder's Name:Rosemund LLC Weather Site:Northampton, MARating Type:Confirmed File Name: 083-12 24 Nutting Ave FINAL.blgRating Date:5/12/13 REM/Rate - Residential Energy Analysis and Rating Software v12.99 This information does not constitute any warranty of energy cost or savings. © 1985-2012 Architectural Energy Corporation, Boulder, Colorado. Whole House Infiltration Blower door test Heating Cooling Natural ACH:0.07 0.05 ACH @ 50 Pascals:1.20 1.20 CFM @ 25 Pascals:254 254 CFM @ 50 Pascals:399 399 Eff. Leakage Area: [sq.in]21.9 21.9 Specific Leakage Area:0.00007 0.00007 ELA/100 sf shell: [sq.in]0.44 0.44 Duct Leakage Leakage to Outside Units ductless AC CFM @ 25 Pascals:0 CFM25 / CFMfan:0.0000 CFM25 / CFA:0.0000 CFM per Std 152:N/A CFM per Std 152 / CFA:N/A CFM @ 50 Pascals:0 Eff. Leakage Area: [sq.in]0.00 Thermal Efficiency:N/A Total Duct Leakage Units CFM25/CFA Total Duct Leakage:0.0000 Ventilation Mechanical:Exhaust Only Sensible Recovery Eff. (%):0.0 Total Recovery Eff. (%):0.0 Rate (cfm):48 Hours/Day:24.0 Fan Watts:7.8 Cooling Ventilation:Natural Ventilation 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 52 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 104 cfm mechanical ventilation system would need to operate 12 hours per day, as long as the system operates to provide required average ventilation once each hour.