You may - and probably will - think me crazy, but we keep the house at 60 in the winter, and 57 overnight anyway, so it was pretty on par.
The furnace guy came on Halloween morning, and we added another piece to our heating puzzle for the winter: bringing the gas stove in the game room back online. There's no heat essentially in the back half of the first floor - kitchen, bathroom, game room, man cave. I think when the previous owners renovated the kitchen, they took out a radiator - based on what I can see of the pipes & the leftover radiators we have.
Until this past summer, the game room & man cave had zero insulation. The gas stove that heated that part of the house would have been pumping heat basically straight outside. The floor was icy cold in the winter.
Then, this summer, we got insulation put in! Huzzah! Then we finished the man cave!
So, this year, when we had the furnace guy out, I had him look over the gas stove - out of operation for close to three years at this point, since the house sat empty for a year before we bought it - and fire it back up.
The animals are pretty sure this is the best present I've ever gotten for them.
Oh, and now that it's November, the furnace is officially on.