What is a "green" property? The term actually has two similar meaning. First, the more common definition of a "green" home means that the property is energy efficient as a result of using the latest in energy efficient materials and appliances. Hence, a "green" home will use less natural resources, was made to be better for the environment, and will ultimately save money in the long run. Many newer homes built within the last few years have better energy efficiency standards than the houses built decades ago. This due to technological advancement in building materials.