This invention describes a system that helps prevent outdoor air conditioning units from freezing. It works by getting local weather forecasts from the internet or directly from a user. Based on this weather information, it decides whether to turn on or off a special function to protect the outdoor unit from freezing. The claims specifically describe an apparatus with modules for communication, comparison, input, and storage.
Why it matters: Filed before widespread IoT adoption. Modern, low-cost embedded systems and readily available weather APIs make this easier to implement now.
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