Alderlea T5 Insert LEAlderlea T5 Insert LE FOR HEATING MEDIUM SPACES The Alderlea cast iron over steel insert allows you to transform your fireplace into an efficient heating system with traditional cast iron styling. Like all Pacific Energy inserts, its easy to light, easy to use, and provides a clear view of the flame. With a variable speed fan, clean glass airwash technology and heavy gauge overbuilt construction, the T5 Insert LE will provide many years of comfort and