You want to boost the resale value of your home. True, installing new windows calls for the homeowner to make a significant investment. At the same time, the upgrade adds a considerable amount to the value of your home. Upon resale, Eldredge of Sears Home Services says that homeowners typically recoup more than half of what they invest in the project. Not every home improvement projects offers a favorable return on investment, Eldredge remarks, but window replacement does—"especially when you factor in the savings of lower monthly utility bills," he concludes.