You dona#39;t have to put up with such discomfort once youa#39;ve installed the Con-Serv room-to-room temperature balancing fan. ... the warm air down into the room during the winter months, moving cool air-conditioned air more efficiently in summertime. ... Ita#39;s quite easy to mount and comes with a mounting bracket, screws, clips and complete instructions. ... Such a heater is the DeLonghi, made in Europe where theya#39;ve known for years that it makes sense to heat only space being occupied.