ASHRAE 90.1 - 2013 - Metric Units

Office

Space Uses Parameters: 

Parameter

Value (For all climate locations)

Lighting power density (W/m2)

8.8

Plug Load power density (W/m2)

8.1

Heating Setpoint (C)

19

Cooling Setpoint (C)

22

Occupant Density

1 person / 14m2

 

Envelope Parameters:

Variable/Climate zone

1

2

3

4

5

6

 

Roof U-Value (W/m2.K)

0.273

0.220

0.220

0.184

0.184

0.184

Wall U-Value (W/m2.K)

3.292

0.857

0.698

0.590

0.511

0.454

Floor U-Value (W/m2.K)

1.828

0.607

0.420

0.321

0.320

0.287

Glazing U-Value (W/m2.K)

2.84

2.27

1.99

1.99

1.82

1.82

Glazing SHGC

0.25

0.25

0.25

0.4

0.4

0.4

Infiltration rate (m3/m2.h)

7.2

7.2

7.2

7.2

7.2

7.2

 

HVAC Parameters: 

Parameter

Value (For all climate locations)

Heating Efficiency

0.85

Cooling Efficiency

3

Ventilation Rate (L/m2.s)

0.3

 

Residential

Space Uses Parameters:

Parameter

Value (For all climate locations)

Lighting power density (W/m2)

5.5

Plug Load power density (W/m2)

2.7

Heating Setpoint (C)

19

Cooling Setpoint (C)

22

Occupant Density

1 person / 37m2

 

Envelope Parameters: 

Variable/Climate zone

1

2

3

4

5

6

 

Roof U-Value (W/m2.K)

0.220

0.220

0.220

0.184

0.184

0.184

Wall U-Value (W/m2.K)

0.857

0.698

0.590

0.513

0.454

0.403

Floor U-Value (W/m2.K)

1.828

0.494

0.420

0.287

0.287

0.287

Glazing U-Value (W/m2.K)

2.84

2.27

1.99

1.99

1.82

1.82

Glazing SHGC

0.25

0.25

0.25

0.4

0.4

0.4

Infiltration rate (m3/m2.h)

7.2

7.2

7.2

7.2

7.2

7.2

 

HVAC Parameters:

Parameter

Value (For all climate locations)

Heating Efficiency

0.85

Cooling Efficiency

3

Ventilation Rate (L/m2.s)

0.2

 

The sources for the EUI benchmarks are:

  1. US Residential: 2003 Residential Energy Consumption Survey (RECS)
  2. US Office: 2003 Commercial Buildings Energy Consumption Survey (CBECS)

 

 

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