1. Michael Street

2.  Annual energy use comparison of two multifamily home types: ICF and wood frame.  Use Phase energy scope:  HVAC system (occupancy schedule, nat./mech. Ventilation, heat transfer)  Lighting (internal, external, task)  DHW  Outlet load

3. Available Fuel TypesElectricity ShapeL shaped Total Floor area1076 m^2 Number of floors4 Opaque Façade area801.4 m^2 Glazing to solid wall ratio18%

4. ICFWOOD FRAME  0.56 ACH used  Design Builder calculated  PHX: R-22.71  CHI: R-22.71  0.7 ACH used  Minimum code standards (ASHRAE 90.1-2007)  PHX: R-13 walls, R-38 roof  CHI: R-13 + R c.i. -13 walls, R-38 roof

6. CHICAGOPHOENIX  Heating driven climate  Climate Zone 3  Cold-wet  Weather data provided by DOE  Cooling driven climate  Climate Zone 5  Hot-dry  Weather data provided by DOE

7.  Design Builder software  Site orientation  Averaging  Comparing

18.  Occupant schedules  Variation of electricity usage  Thermal mass optimization  Measured data  i.e. infiltration rates for multifamily buildings

19.  Remove mech. ventilation  Re-zoning of building floors  Zone scheduling  Next step?