The XR13.4c Gas/Electric Packaged System combines efficient air conditioning with a stainless-steel heat exchanger to keep your home comfortable year-round. Small and compact, the XR13.4c is a powerful, sleek cabinet that gives homeowners the flexibility to accommodate rooftop or ground installation. Boasting 13.4 SEER2 for cooling and 81% AFUE for heating, you can trust the XR13.4c to keep you cool in the hottest summers and warm in the harshest winters.