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98 Olander final Air Leakage Report
AIR LEAKAGE REPORT Date:December 03, 2012Rating No.:12-188 Building Name:98 Olander DriveRating Org.:Center for EcoTechnology Owner's Name:Wright Builders Phone No.:414-923-8116 Property: 98 Olander Drive - BeechwoodRater'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: 12-188 Lot2 - 98 Olander Farmhouse (bonus room) - Beechwood-FINALi.blgRating Date:11/26/12 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:0.08 0.06 ACH @ 50 Pascals:1.36 1.36 CFM @ 25 Pascals:445 445 CFM @ 50 Pascals:699 699 Eff. Leakage Area: [sq.in]38.4 38.4 Specific Leakage Area:0.00007 0.00007 ELA/100 sf shell: [sq.in]0.53 0.53 Duct Leakage Leakage to Outside Units CFM @ 25 Pascals:15 CFM25 / CFMfan:0.0121 CFM25 / CFA:0.0043 CFM per Std 152:N/A CFM per Std 152 / CFA:N/A CFM @ 50 Pascals:24 Eff. Leakage Area: [sq.in]1.29 Thermal Efficiency:N/A Total Duct Leakage Units CFM25/CFA Total Duct Leakage:0.0426 Ventilation Mechanical:Balanced Sensible Recovery Eff. (%):70.0 Total Recovery Eff. (%):69.0 Rate (cfm):78 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 77 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 153 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.