WonderWindow can save the nation $28 billion a year in energy cost that currently goes right out the window, according to the DOE Building Technology Office Market Calculator. Patent pending WonderWindow SpacerStix get delivered to your door pre-cut to your measure, with easy peel & stick DIY installation, along with pre-cut-to-measure acrylic glazing from your local Lowe's. Online sales to launch Fall 2016 at WonderWindow.net.