They could just use connected temperature probes though. no need to connect the power supply of the damn compressor to the internet.

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pixl97 5 hours ago | parent [-]

A lot of these devices are temperature controllable as the product in them may require different temperatures. They can have temperature ranges from refrigeration to freezing.

Also adjust power usage depending on time of day and such.

	▲	asdff 4 hours ago \| parent [-]
		You can schedule power usage with a dummy controller. I'm not sure of any products sold that are that specific to temp in my grocery store at least. Either it is refrigerated or frozen.