What temperature do you leave your home at
Today, I had my furnace guy come for the annual check-up, cleaning etc. I've known the guy for many years. I was telling him that next year we would be spending winter in the South and was planning on...
Forum Discussion
For what it's worth, here's a link to a discussion on this topic from HVAC-TALK in 2014. https://hvac-talk.com/vbb/showthread.php?1675591-Setting-thermostat-too-low-will-damage-gas-furnace-heat-exchanger
