NRG PTAC's Inc. http://www.hotfrog.com/Companies/NRG-PTACs-Inc/RSSUpdated every minute of every dayen-usCopyright: (C) Reed Business Information.LG thru the wall heating and cooling unitshttp://www.hotfrog.com/Companies/NRG-PTACs-Inc/LG-thru-the-wall-heating-and-cooling-units-15660LG 16"x26" thru the wall heating and air conditioning units.yyyy-MM-ddLG PTAC'shttp://www.hotfrog.com/Companies/NRG-PTACs-Inc/LG-PTACs-15659LG PTAC's are perfect for hotel applications, condos, apartments and hospitals.yyyy-MM-dd