Research Article

Optimization of Energy Consumption in Net-Zero Energy Buildings with Increasing Thermal Comfort of Occupants

Table 1

Modeled building’s specification and site location.

ParametersValues/types

Program versionEnergyPlus, version 8.5.0-c87e61b44b
Hours simulated (hr)8760
Weather fileZahedan airport—IRN ITMY WMO#=408210
Latitude (deg)29.48
Longitude (deg)60.91
Elevation about sea level (m)1378
Site orientation (deg)0
HVACGround source heat pump (GSHP), water to water heat pump, heated floor, chilled beams, nat vent
External wall value (W/m2K)0.350
Gross wall area (m2)259
Internal partitions value (W/m2K)1.639
Flat roof value (W/m2K)0.250
Internal floor value (W/m2K)2.929
Gross window-wall ratio (%)19.55
Window opening area (m2)50.63
Glazing type2 layers/air gap/13 mm
Window shading0.5 m/overhang
LightingCompact fluorescent (CFL)
Occupancy density (people/m2)0.111
Operating hours (hr)10 (8 : 00-18 : 00)
Activity of occupantsLight office work/standing/walking
Electricity density of office equipment (W/m2)11.77
Consumption rate of domestic hot water (DHW) (L/m2day)0.2