Expense incurred by a contractor for labor, material, equipment, financing, services, utilities, etc., plus overheads and contractor's profit. Costs such as that of land, architectural design, consultant and engineer's fee are not construction costs.

Estimation software is easy to use and estimates the projected construction costs. .In short, estimation software not only estimates the costs of the software, but also helps project managers by easing and fulfilling tasks that are usually left for accountants (who, by the way, cost money)

Solar power, like other renewable energy resources, has many environmental and health benefits. Going solar reduces greenhouse gas emissions, which contribute to climate change, and also results in fewer air pollutants like sulfur dioxide and particulate matter, which can cause health problems.