WE HAVE TWO REALFLAME FIREPLACES IN OUR HOME THAT AID IN HEATING AND HELP TO CUT DOWN ON COST.  THESE GELFUEL CANS ARE EASY AND SAFE TO USE AND IT'S SURPRISING HOW MUCH HEAT THEY PUT OUT..THE ONLY THING THAT WOULD MAKE IT BETTER IS IF IT CAME IN LARGER CANS!!! I RECOMMEND THIS PRODUCT HIGHLY!!