The Department of Energy says add shady areas around a home is an ideal way to cut air conditioning costs and reduce solar heat gain. However, there are a number of factors homeowners must consider before planting trees around their home. For example, deciduous and evergreen trees both have advantages and disadvantages. Deciduous trees, which shed leaves, will keep homes cool in the summer and allow sun to reach the home in the winter. Evergreens also keep homes cool in the summer, but evergreens may also block cool air and wind in the winter. Experts say deciduous trees begin shading a home about a year after being planted, but this may take longer depending on the species of tree. Homeowners must also take into account sun angles when choosing the spot for a tree. Trees should be planted on the west side of a home to block low afternoon sunshine. Meanwhile, evergreen trees should be placed to the north and northwest of the home to effectively block wind. Shrubs and bushes can also be planted around a home to prevent cold air from reaching the house. | Read More