Livia Gershon | Longreads | November 2019 | 7 minutes (1,863 words)
My family's natural gas-fired furnace is 23 years old. That's aged; the average lifespan of a system like ours is 15 to 20 years. I live in New Hampshire, which gets awfully cold in the winter and, every October, I wonder whether we'll make it to March. If the furnace fails this year and we replace it with another one like it, we're committing to burning fossil fuels until about 2042. If my household switches to electricity, which is better for the environment than what we've got, our gas bills will nearly double, to around $2,800 every year. Recently, I called Bill Wenzel, who owns a geothermal heating business the next town over from me.
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