div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=a-closer-look-at-energy-star-version-60-requirements-for-windows-doorshtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: A Closer Look at ENERGY STAR Version 60 Requirements for Windows Doors loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentinreader031viewer202203030858ee31fa1a28ab3d538b466bhtml5thumbnails1jpg width=140 height=200 divdiv