On the other hand, she probably has a gravity furnace
in her Boler
now, and you can no longer buy those new. They are basically silent and they consume no electricity.
I don't know whether or not I would have that exact furnace
repaired - it depends on the condition of the rest of it - but I wouldn't hesitate to repair one like it. (Not for $700 but probably for $300 or less(?))
In fact, I've been looking high and low for one for over a year now! Had a couple of "almosts" but they did not ultimately pan out