Ok, I've officially found my limit: 64 F/18 C in the house is when I turn the heat on. I can put on a sweater, but I draw the line at wearing gloves while typing. I blame bad circulation...
@N2Osferatu I wasn't at sweater territory just yet (because of my protective layer of blubber), but same rough temperature before I turned the heater on. I am just a bit of a softie.