Glazing Energy Performance and Design Optimization with Daylighting

Publication Type

Journal Article

LBNL Report Number

LBL-15625

Abstract

This study systematically explores the influence of glazing systems on component loads and annual energy use in prototypical office buildings. The DOE-2.1B building energy simulation program, which contains an integrated daylighting model, is used to determine fenestration energy performance in diverse climates. The sensitivity of total energy use to orientation, window area, glazing properties (U-value, shading coefficient, visible transmittance), window management strategy, installed lighting power, and lighting control strategy are all described. We examine the conditions under which daylighting reduces net anual energy use as well as those conditions under which energy use may increase. Combinations of wall and fenestration properties that minimize net energy requirements as a function of climate and orientation are described.

Journal

Energy and Buildings

Volume

6

Year of Publication

1984
305

Issue

4

Pagination

305-317

Call Number

LBL-15625