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HERS-544 14 Beaver Brook Loop air leakage reportAir Leakage Property 14 Beaver Brook Loop Leeds, MA 01053 Weather:Northampton, MA HERS-544 14 Beaver Brook Loop registered.blg Organization Power House Energy Consulting 508-215-7141 David Gagne Builder Rosemund 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 This information does not constitute any warranty of energy cost or savings. © 1985-2016 Noresco, Boulder, Colorado. HERS Confirmed 10/25/16 Rating No:HERS-544 Rater ID:7013322 Duct Leakage Ventilation Blower Door Test Heating Cooling Natural ACH 0.10 0.07 ACH @ 50 Pascals 1.63 1.63 CFM @ 25 Pascals 601 601 CFM @ 50 Pascals 943 943 Eff. Leakage Area (sq.in) 51.8 51.8 Specific Leakage Area 0.00011 0.00011 ELA/100 sf shell (sq.in) 0.63 0.63 Leakage to Outside Units ducts CFM @ 25 Pascals 118 CFM25 / CFMfan 0.0698 CFM25 / CFA 0.0376 CFM per Std 152 N/A CFM per Std 152 / CFA N/A CFM @ 50 Pascals 185 Eff. Leakage Area (sq.in) 10.17 Thermal Efficiency N/A Total Duct Leakage Units CFM25/CFA Total Duct Leakage 0.1246 Mechanical Exhaust Only ASHRAE Sensible Recovery Eff. (%) 0.0 62.2-2010 Total Recovery Eff. (%) 0.0 Rate (cfm) 144 61 Hours/Day 12.0 24.0 Fan Watts 30.2 Cooling Ventilation Natural Ventilation