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12-218 104 Olander- Final Air Leakage ReportAIR LEAKAGE REPORT Date:December 12, 2012Rating No.:12-218 Building Name:104 Olander-lot 3Rating Org.:Center for EcoTechnology Owner's Name:Phone No.:413-923 8116 Property: 104 Olander DriveRater's Name:Josy Raycroft Address:Northampton, MA 01060Rater's No.:8272678 Builder's Name:Wright Builders Inc. Weather Site:Northampton, MARating Type:confirmed File Name: 12-218 104 Olander Lot 3 Montague Farmhouse-unfinished basement- Beechwood-FINAL.blgRating Date:12/10/12 REM/Rate - Residential Energy Analysis and Rating Software v13.0 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:0.09 0.06 ACH @ 50 Pascals:1.45 1.45 CFM @ 25 Pascals:415 415 CFM @ 50 Pascals:651 651 Eff. Leakage Area: [sq.in]35.7 35.7 Specific Leakage Area:0.00011 0.00011 ELA/100 sf shell: [sq.in]0.60 0.60 Duct Leakage Leakage to Outside Units 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:0.0628 Ventilation Mechanical:Balanced Sensible Recovery Eff. (%):70.0 Total Recovery Eff. (%):69.0 Rate (cfm):55 Hours/Day:24.0 Fan Watts:102.0 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 105 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.