Fireplace Xtrordinar
www.fireplacex.comAccording to Fireplace Xtrordinair’s webiste, their firepalce inserts are ”fireplaces in a metal box that fit into your existing masonry fireplace to transform it into an efficient source of heat”. Keep the look of a traditional fireplace, without the heat loss of an traditional open fireplace.
Lopi
www.lopistoves.com
Transform your inefficient masonry fireplace into a convenient gas heater.
Empire
www.empirecomfort.com
Offers a variety of direct-vent and vent-free inserts.