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P15687 25 Mark Warner Dr Florence final air leakage reportAir Leakage Property 25 Mark Warner Drive Florence, MA 01062 Weather:Chicopee, MA 25 Mark Warner Drive P15687 25 Mark Warner Dr Florence final V15.blg Organization Center for EcoTechnology 413-586-7350 John Saveson Builder Saloomey Construction 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 v15.4 This information does not constitute any warranty of energy cost or savings. © 1985-2017 Noresco, Boulder, Colorado. HERS Confirmed 2017-06-30 Rating No:P15687 Rater ID:1911963 Duct Leakage Ventilation Blower Door Test Heating Cooling Natural ACH 0.14 0.11 ACH @ 50 Pascals 2.36 2.36 CFM @ 25 Pascals 453 453 CFM @ 50 Pascals 711 711 Eff. Leakage Area (sq.in) 39.0 39.0 Specific Leakage Area 0.00013 0.00013 ELA/100 sf shell (sq.in) 0.67 0.67 CFM50/sf shell 0.12 0.12 Leakage to Outside Units heating & cooling CFM @ 25 Pascals 103 CFM25 / CFMfan 0.0609 CFM25 / CFA 0.0483 CFM per Std 152 N/A CFM per Std 152 / CFA N/A CFM @ 50 Pascals 162 Eff. Leakage Area (sq.in) 8.87 Thermal Efficiency N/A Total Duct Leakage Units CFM25/CFA Total Duct Leakage 0.1111 Mechanical Exhaust Only ASHRAE ASHRAE Sensible Recovery Eff. (%) 0.0 62.2-2010 62.2-2013 Total Recovery Eff. (%) 0.0 Rate (cfm)46 44 62 Hours/Day 24.0 24.0 24.0 Fan Watts 5.7 Cooling Ventilation Natural Ventilation