A condensing economizer can increase overall heat recovery and steam system efficiency by up to 10 percent by reducing the flue gas temperature below its dew point, resulting in improved effectiveness of waste heat recovery.
1 Place pork loin into oven, turning and basting with pan liquids. 2  Cook until the pork is no longer pink in the center, about 1 hour. 3  An instant-read thermometer inserted into the center should read 145 degrees F (63 degrees C).4  Remove roast to a platter. Rub the meat with the remaining garlic mixture and olive oil. 2  Place pork loin into oven, turning and basting with pan liquids. 3  Cook until the pork is no longer pink in the center, about 1 hour. 4  An instant-read thermometer inserted into the center should read 145 degrees F (63 degrees C). 5  Remove roast to a platter.
Place in oven and roast for 45 minutes, or until the internal temperature of the pork loin roast is about 145 degrees F. Allow 3 minutes of rest time before slicing.