Slow to turn on
I just figured something out. For an old
negative-feedback type, this realization is awfully slow.
Two years ago I had a new front door installed. The old one was leaky and drafty, and the new one is better insulated.
Since then, I've had to turn up the knob on the baseboard heater noticeably higher to get comfort. It's not just my elderly senses; a thermometer on my desk shows 65 instead of 70 at the previous knob setting.
I've been trying to spot the difference. I don't feel any new drafts anywhere, so there's no new source of cold.
What triggered the realization was noticing that the heater isn't ON all the time at the higher setting; it's cycling on and off about the same as before.
The heater control is right next to the door. The old leaky door kept the thermostat ON more often at the minimum setting of the knob. Now that the thermostat isn't constantly receiving blasts of cold air from the gap under the door, it's slower to turn on, so a higher setting is needed to get the same cycling.
Labels: metametrology