|
Lighting-HVAC interactions for large office building stock
in Chicago
|
|
|
(Negative values indicate reductions in energy use, positive values increases
in energy use)
|
|
| Lighting energy savings (kWh/m^2-year)
|
-15.8
|
|
Space-conditioning Load Impact (kWh/m^2-year) |
-6.7 |
| Annual heating load penalty | +3.6 |
| Annual cooling load savings
|
-10.3
|
| Energy-use Impact (kWh/m^2-year) | +0.5 |
| Annual heating penalty | +3.6 |
| Annual cooling load savings | -3.1 |
| Equipment Sizing Impact (W/m^2) | -0.9 |
| Heating capacity penalty | +3.4 |
| Cooling capacity savings | -4.3 |
| Utility Impact (W/m^2) | -1.1 |
| Increase in heating load at utility peak in winter | +1.7 |
| Reduction in cooling load at utility peak in summer | -2.8 |
| Note: Adapted from Sezgen and Huang, ACEEE Summer Study, 1994. |
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