Refrigerator root cellar freeze protection
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root cellar has been
doing a good job lately keeping the carrots from freezing during nights
in the low 20's, but just barely. The thermometer we put inside was
showing the low temperature to be 34, which was telling us if it got
much colder the carrots might be exposed to freezing conditions.
I installed a
thermostatically controlled outlet today known as a Thermo Cube with a light bulb plugged in.
When the inside temperature
reaches 35 the light will come on and shut off when it warms up to 45.