Net Zero Energy Buildings – Energy Loads

Net Zero Energy Without Efficiency

Reducing Energy Demand

Passive Heating, Cooling, and Lighting

Passive Heating, Cooling, and Lighting

Efficient HVAC

Predicting Energy Demand

Predicting Energy Demand

Equipment Loads

Equipment Loads(& heat gain from Equipment)

Lighting Loads(& Heat gain from lighting)

Lighting Loads

Occupancy Loads

Heat Gain By Activity

Activity W

Seated relaxed 104

Standing relaxed 126

Sedentary activity (desk work) 126

Standing, light activity 167

Walking 2 km/h 198

Standing, medium activity 209

Calisthenics 470

Aerobic Dancing, Sports 624

Running 8km/h 900

Intense sports / Running 15 km/h 990

from engineeringtoolbox.com

Occupancy Loads

Internal vs. External Loads

[APPENDIX]Site Considerations

Net Zero Energy Buildings

SiteSite

Climate DataClimate Data

SunSun

WindWind

TemperatureTemperature

HumidityHumidity

SurroundingsSurroundings

MassingMassing

OrientationOrientation

LocationLocation

Precipitation

Precipitation

Climate Types

Climate Data — Temperature

Climate Data — Humidity

Climate Data — Humidity

Image from taylorgifts.com

Climate Data — Precipitation

Image from civilengineergroup.com

Climate Data — Precipitation

Climate Data — Sun

Climate Data — Sun

Climate Data — Sun

Solar Power Potential

Climate Data — Sun (and Clouds)

Climate Data — Sun (and Clouds)

Climate Data — Wind

Climate Data — Wind

Image from

Climate Data — Wind

Image from wikipedia.org

Climate Data — Wind Power

Image from mountwashington.org

Wind Speed vs. Height

Image from NREL.gov

Immediate Surroundings

Immediate Surroundings

Location

Images from faludidesign.com

Location

Image from faludidesign.com

Location

Image from faludidesign.com

Massing

Image from faludidesign.com

Massing

Orientation

Orientation

Images from faludidesign.com and wisetimetable.com

Program

Images from faludidesign.com and wisetimetable.com

Site Affects EverythingSiteSite

Climate DataClimate Data

SunSun

WindWind

Temperature

Temperature

HumidityHumidity

SurroundingsSurroundings

MassingMassing

OrientationOrientation

LocationLocation

Land Use & TransportationLand Use & Transportation

Heating, Cooling, & VentilationHeating, Cooling, & Ventilation

DaylightingDaylighting

ViewsViews

WaterWater

Energy GenerationEnergy Generation

AcousticsAcoustics

Electric LightingElectric Lighting

Precipitation

Precipitation

Site Affects EverythingSiteSite

Climate DataClimate Data

SunSun

WindWind

Temperature

Temperature

HumidityHumidity

SurroundingsSurroundings

MassingMassing

OrientationOrientation

LocationLocation

Land Use & TransportationLand Use & Transportation

Heating, Cooling, & VentilationHeating, Cooling, & Ventilation

DaylightingDaylighting

ViewsViews

WaterWater

Energy GenerationEnergy Generation

AcousticsAcoustics

Electric LightingElectric Lighting

Precipitation

Precipitation

Site Affects EverythingSiteSite

Climate DataClimate Data

SunSun

WindWind

Temperature

Temperature

HumidityHumidity

SurroundingsSurroundings

MassingMassing

OrientationOrientation

LocationLocation

Land Use & TransportationLand Use & Transportation

Heating, Cooling, & VentilationHeating, Cooling, & Ventilation

DaylightingDaylighting

ViewsViews

WaterWater

Energy GenerationEnergy Generation

AcousticsAcoustics

Electric LightingElectric Lighting

Precipitation

Precipitation

Site Affects EverythingSiteSite

Climate DataClimate Data

SunSun

WindWind

Temperature

Temperature

HumidityHumidity

SurroundingsSurroundings

MassingMassing

OrientationOrientation

LocationLocation

Land Use & TransportationLand Use & Transportation

Heating, Cooling, & VentilationHeating, Cooling, & Ventilation

DaylightingDaylighting

ViewsViews

WaterWater

Energy GenerationEnergy Generation

AcousticsAcoustics

Electric LightingElectric Lighting

Precipitation

Precipitation

Site Affects EverythingSiteSite

Climate DataClimate Data

SunSun

WindWind

Temperature

Temperature

HumidityHumidity

SurroundingsSurroundings

MassingMassing

OrientationOrientation

LocationLocation

Land Use & TransportationLand Use & Transportation

Heating, Cooling, & VentilationHeating, Cooling, & Ventilation

DaylightingDaylighting

ViewsViews

WaterWater

Energy GenerationEnergy Generation

AcousticsAcoustics

Electric LightingElectric Lighting

Precipitation

Precipitation

Site Affects EverythingSiteSite

Climate DataClimate Data

SunSun

WindWind

Temperature

Temperature

HumidityHumidity

SurroundingsSurroundings

MassingMassing

OrientationOrientation

LocationLocation

Land Use & TransportationLand Use & Transportation

Heating, Cooling, & VentilationHeating, Cooling, & Ventilation

DaylightingDaylighting

ViewsViews

WaterWater

Energy GenerationEnergy Generation

AcousticsAcoustics

Electric LightingElectric Lighting

Precipitation

Precipitation

Site Affects EverythingSiteSite

Climate DataClimate Data

SunSun

WindWind

Temperature

Temperature

HumidityHumidity

SurroundingsSurroundings

MassingMassing

OrientationOrientation

LocationLocation

Land Use & TransportationLand Use & Transportation

Heating, Cooling, & VentilationHeating, Cooling, & Ventilation

DaylightingDaylighting

ViewsViews

WaterWater

Energy GenerationEnergy Generation

AcousticsAcoustics

Electric LightingElectric Lighting

Precipitation

Precipitation

Site Affects EverythingSiteSite

Climate DataClimate Data

SunSun

WindWind

Temperature

Temperature

HumidityHumidity

SurroundingsSurroundings

MassingMassing

OrientationOrientation

LocationLocation

Land Use & TransportationLand Use & Transportation

Heating, Cooling, & VentilationHeating, Cooling, & Ventilation

DaylightingDaylighting

ViewsViews

WaterWater

Energy GenerationEnergy Generation

AcousticsAcoustics

Electric LightingElectric Lighting

Precipitation

Precipitation

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