Which of the following is NOT a mode of operation for heat pumps?

Heat pumps are versatile systems typically designed to transfer heat to or from a designated area depending on the needs of the space. They primarily operate in three recognized modes: heating, cooling, and dehumidification.

In heating mode, heat pumps extract heat from outdoor air, ground, or water and transfer it indoors, effectively warming the space during cold weather. Cooling mode reverses this process, allowing heat pumps to move heat from inside to the outside, cooling the interior during warmer conditions. Dehumidification mode operates in a manner similar to cooling mode, where the heat pump lowers indoor humidity levels, making the space more comfortable without significantly changing the temperature.

Condensation mode, however, is not a standard operational mode for heat pumps. It refers more to a process related to the state change of refrigerants within the heat pump system, rather than a distinct operational function for controlling the indoor environment. In essence, while condensation does occur during the operation of a heat pump, it is not classified as a standalone mode of operation like the other three.