Furnace usage measured by Home Assistant over 24 hours for my apartment in Madison, Wisconsin, United States. Outdoor temperature was between -6°F to 6°F. We had 2 fires in the fireplace, first in the afternoon, then evening. Utilization overnight was 60%!
Posted by nathanpetersenn
![[OC] Furnace usage over 24 hours](https://www.byteseu.com/wp-content/uploads/2025/12/4879a3rf077g1-1024x512.jpeg "[OC] Furnace usage over 24 hours")