If u guys had to recommended an insert under or at 1500.00... which one would it be?.. only criteria it must meet is wood length must be at least 17 inches I'm finally a year ahead...must heat 1500 sq feet...my fireplace dimensions are 28 inches tall...23 inches deep..and 32 inches wide...hopefully for this price range I can get something that will give me a true 8 hour burn time...my SS liner is 6 inches