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055-12 53 Emerson Way air leakage
Air Leakage Property 53 Emerson Way Northampton, MA 01062 Weather:Northampton, MA 53 Emerson Way 055-12 53 Emerson Way FINAL.blg Organization Power House Energy Consulting 413-835-5162 Matt Turcotte Builder Countryside Home Builders Inc Whole House Infiltration 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 61 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 122 cfm mechanical ventilation system would need to operate 12 hours per day, as long as the system operates to provide required REM/Rate - Residential Energy Analysis and Rating Software v14.3 This information does not constitute any warranty of energy cost or savings. © 1985-2013 Architectural Energy Corporation, Boulder, Colorado. HERS Confirmed 2/6/14 Rating No:055-12 Rater ID:1497133 Duct Leakage Ventilation Blower Door Test Heating Cooling Natural ACH 0.27 0.19 Leakage to Outside Units ducts 1 ducts 2 Mechanical Exhaust Only ACH @ 50 Pascals 4.39 4.39 CFM @ 25 Pascals 43 50 Sensible Recovery Eff. (%)0.0 CFM @ 25 Pascals 900 900 CFM25 / CFMfan 0.0354 0.0398 Total Recovery Eff. (%)0.0 CFM @ 50 Pascals 1413 1413 CFM25 / CFA 0.0400 0.0399 Rate (cfm)61 Eff. Leakage Area (sq.in)77.6 77.6 CFM per Std 152 N/A N/A Hours/Day 24.0 Specific Leakage Area 0.00023 0.00023 CFM per Std 152 / CFA N/A N/A Fan Watts 57.8 ELA/100 sf shell (sq.in)1.26 1.26 CFM @ 50 Pascals 67 78 Cooling Ventilation Natural Ventilation Eff. Leakage Area (sq.in)3.70 4.31 Thermal Efficiency N/A N/A Total Duct Leakage Units CFM25/CFA CFM25/CFA Total Duct Leakage 0.1200 0.1200