Ours is about $400 a month on gas. When my dad used the wood stove in the basement its $50! The wood stove is a ton of work, but its damn affective! Its a massive wood burning thing that heats water as well, built around the turn of the century.

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2006 CL500
2009 C300 4matic
1969 280SE
2023 Ram 1500
2007 Tiara 3200