div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=document-choose-from-among-many-types-of-stand-alone-heating-units-direct-vent-wallhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: choose from among many types of stand- alone heating units Direct-vent wall furnaces and vent-free fan convectors are just two options for bringing heat to specific spots Direct-vent loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader035fdocumentsusreader035viewer20220816115f08a31d7e708231d422fd8chtml5thumbnails1jpg width=140 height=200 divdiv