Driftwood Sub-Zero Service · Bainbridge Island

Island Answers

Should I Leave It Running All Winter in an Empty House?

No — not in a house nobody will be in. A unit left running through storm season works until the power goes, and then warms with a full load inside and no one to see it. Shut it down instead, the way the guides set out. Driftwood Appliance Service, (206) 785-2960.

What an outage does to a running unit

A running unit is only as safe as the power behind it. When a winter line comes down in January the cabinet holds its cold for a few hours, then warms with a full load inside, and nobody is there to read a thermometer or decide about the food.

What the returning owner finds

Weeks later the power is back and the unit is running again, so the panel reads normal. What happened in between is in the compartments, not on the display. An empty, switched-off cabinet has nothing in it to go through that.

Switching it off, and what that involves

Off, emptied, and left open enough that the cabinet dries rather than sitting damp. The whole closing-up order is written out under Older-Unit Care rather than repeated here.

If it has to keep running

Perishables out, ice maker stopped, and someone looking in with a thermometer; the FDA’s marks are 40°F or below for the refrigerator and 0°F or below for the freezer.

Written by
Bjorn Aaltonen
Trade
Refrigeration technician, 15 yrs
Holds
EPA 608 certified
Dated
Empty white compartment of a built-in refrigeration unit with the door standing open, a louvred vent in the rear cover and no shelves or food
A switched-off unit with the door shut, and one with the door blocked open Left: a unit switched off with its door closed. Damp air is trapped inside and settles as moisture on the walls and in the gasket folds. Right: the same unit switched off with the door blocked open about one inch, or 25 millimetres, so room air moves through and the inside stays dry. Off, door shut damp stays in, settles on walls and in the gasket folds Off, door blocked open about 1 in (25 mm) room air moves through; the inside dries out
Shut and switched off, a cabinet keeps its damp all winter. Blocked open, it dries.