Letter Re: Observations on Chest Freezer Efficiency
Hi Jim, I was reading Monday’s letter regarding “Sizing a Retreat AC Power Generator”, and a thought came to mind when the author mentioned super-insulating a freezer for extended cooling durations. There are basically 2 types of freezer; the upright and the box, (what we call around here, the “coffin” freezer). Given the same basic amount of insulation included with each type, to the point where both manage the loss of cooling at the same rate, the “coffin” appears to be more efficient during access. Cold air sinks. When the door of an upright freezer is opened, the cold air …