A few days ago we finally gave in and decided it was time to switch on the heat. We could see our breath--indoors! Unfortunately, the furnace wouldn't turn on. We tried (and failed) to diagnose the problem and finally resigned ourselves to a very chilly weekend until a repairman could visit on Monday.
We donned many layers and tried to remain cheerful.
I thought we had been successful. I was apparently wrong.
Found on the kitchen counter: