Since your natgas consumption is low, could a wood pellet heater meet your needs instead of natgas?
I guess it depends if your natgas bill has a big fixed cost (and I guess you’ve already covered the sunk cost of connection…)
I guess it depends if your natgas bill has a big fixed cost (and I guess you’ve already covered the sunk cost of connection…)
Myself, I would like a ground source system that lets me store in heat from an oil fired AGA, a wood burning furnace and water heater panels on the roof.