Lubec mason -
Welcome back
It is snowing here today Woo Hoo!
"The way oil prices are I am looking into alternative heat sorces. But most of them are expencive too"
Passive solar is expensive to build, but free to operate.
Active solar is also expensive to build and costs a small bit to operate.
Wood and peat are both cheap, which is why we use them both.
Wood pellets and corn are both available, but they do cost $ and require electricity.
You do have options.