Paeonian Springs Affordable Doors Repair Facts 8520

How To Read ENERGY STAR Labels Before You Buy The ENERGY STAR label is more than window dressing. In Virginia, where sticky summer air and winter drafts both put pressure on a home, the label is a useful first filter. Even so, an ENERGY STAR label does not automatically make a window right for every house, yet it does narrow the field to products that meet efficiency targets. If you only learn two performance terms, make them U-factor and SHGC. U-factor measures heat