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An Experimental Analysis of the Impact of Tree Shade

Reference Type
Journal, Research (Article)

This paper presents the results of a controlled experimentconducted in Alabama to quantify the impact of tree shade on electricity consumption devoted exclusively to cooling a structure.

Trees cast shade on homes and buildings, lowering the inside temperatures and thus reducing the demand for power to cool these buildings during hot times of the year. The potential monetary savings may be sizable, especially for those who live in hot climates, because electricity usage for cooling residential and commercial structures in summer months is costly. A controlled experiment was conducted to quantify the impact of tree shade on electricity consumption devoted exclusively to cooling a structure. We examine electricity consumption used to run air conditioning units set at identical temperatures in two otherwise identical buildings, one set in full sun, the other in full shade during the summer months of 2008 in Beauregard, Alabama.  The building in full sun required 2.6 times more electricity for cooling than the building in full shade. Our findings contribute to a growing body of research which demonstrates that owners of residential and commercial properties located in hot regions can reap sizable monetary savings from shade trees that serve as natural complements to their artificial air-conditioning.

Authors
D.N. Laband, J.P. Sophocleus
Date Published
July 2009
Journal/Conference
Arboriculture and Urban Forestry
Publisher
International Society of Arboriculture
Volume/Issue/Number
34//4
Start Page
197
End Page
202
Pages
6
Sub-Topics
Benefits (general/multiple), Energy Conservation, Environmental Services, Research (basic)
State(s)/Region(s)
Southeast
Indexed By
UFS
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