Not all skylights are actually designed to be energy-efficient, so something to look out for is the ENERGY STAR® label. If a ...
For example, windows and skylights must have earned the Energy Star "Most Efficient" designations. See EnergyStar's Tax Credits for Homeowners resource page for more information and requirement ...
You can get a tax credit for windows and doors — $250 per door (up to $500 total), and up to $600 for windows or skylights. Keep in mind that they all must meet Energy Star requirements.