What is a cold climate heat pump?

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[@terrydavid147]

Will you explain the difference between a standard heat pump and a cold climate heat pump. I refer to the actual mechanical differences

[@Halco1984]

Cold-climate heat pumps incorporate several features that allow them to extract heat efficiently from cold outdoor air. The most important is the inverter-driven, variable-speed compressor. The compressor speeds up in cold conditions, allowing it to maintain heat output at temperatures well below 0F. In milder conditions, the compressor slows down, delivering the just amount of heating needed while maximizing efficiency.