1 The freezer time shown is for best quality only â foods kept constantly frozen at 0Â° F will keep safe indefinitely.  How long does baked ham last at room temperature? Bacteria grow rapidly at temperatures between 40 Â°F and 140 Â°F; baked ham should be discarded if left for more than 2 hours at room temperature.
Using this to calculate theoretical water-chilling capacity: 1 ton of refrigeration (12,000 BTUs per hour) will chill. 12,000 lbs. water/fish 1Â°F in 1 hour. Theoretically, then, a sample application to chill seawater and fish: 40 tons refrigeration (480,000 BTUs per hour) will chill. 120,000 lbs. water/fish 20Â°F in 5 hours.
1 Capacity: 24,000 BTU (2 ton) cooling 24,000 BTU (2 ton) heating (heat pump) + 1000-Watt electric back up heating. 2  Power requirements: 220-Volt/60Hz, single phase powered from the outdoor unit. 3  Area coverage: up to 1200 sq. ft.  Functions: cooling, independent dehumidification, and heating (heat pump)