Theme: Hot and Cold
Author/Opus: This is the 16th puzzle from guest contributor Bryce Herdt.
Rules: Standard Thermo-Sudoku rules. (Note: The coloration of the hot/cold thermometers is only for aesthetic purposes and all thermometers obey standard rules.)
Difficulty: 3.5 stars
Time Standards (highlight to view): Grandmaster = 5:30, Master = 8:00, Expert = 16:00