Here is my situation. I have 4 kids who are skin and bones and cold 99% of the year. I cant get them to let me turn the heater any lower than 68 day and 60 night. I have 4 oak trees that came down summer 2010 and have a crummy fireplace. How do I get this to be an effective heat source for my house. I know wood stoves are much better but I dont understand why. What can I do? My heating bill is over 100 a month