we heat by a wood stove exclusively. when the winter sets in the heater never comes on at all. in the 10 years of having a stove i have only cut down 3 trees one was a leaner another man wanted cut and since i volunteered to do it i got all the tree (hickory by the way) the other 2 were off my property and i studied it so hard that you cant tell they are missing. i have gotten the majority of the wood after storms or people that just didnt know how or what to do with a tree when it falls or is leaning. that being said i keep my saw in good repair and sharp blades on the ready because if i see a tree i go get it, after asking of course. so there is always wood available. i once got a large amount of cedar shingles and used them as kindling because you could light them with a match. GO WOOD, and scrounge for wood and save big time. i have a Buck 20zc insert trimmed in gold tone with a glass door 70 something efficient with a catalyst and blower which you said you didnt want a blower but it is way to efficient with than without.