Autonomous laundry heat pump systems and methods of use

An energy efficient autonomous laundry system, comprising:

• a plurality of autonomous washing and drying machines each configured to sequentially wash and dry a load of laundry in a drum, each one of the plurality of autonomous washing and drying machines comprising
• a cold side heat exchanger and a heated side heat exchanger disposed at each of the plurality of autonomous washing and drying machines,
• a closed air loop comprising an exhaust duct configured to direct cold moist air from the drum to the cold side heat exchanger and an inlet duct configured to direct warm, dehumidified air from the heated side heat exchanger into an inlet of the drum, the cold side heat exchanger being configured to cool exhausted humid air below a dew point to condense moisture from the exhausted humid air and the heated and cold side heat exchangers being disposed in series along the closed air loop,
• a variable speed fan disposed in the closed air loop, the fan configured to draw process air from the drum, through the cold side heat exchanger, heated side heat exchanger, and into the inlet of the drum,
• a condensate outlet disposed in the exhaust duct for directing the condensed moisture out of the exhaust duct, and
• one or more air sensors configured to measure at least one characteristic of process air in at least one of the exhaust duct and inlet duct and output a signal indicative of the at least one air characteristic;
• at least one heat pump configured to heat a heated stream of fluid disposed in a heating conduit in thermal communication with the heated side heat exchanger of each one of the plurality of washing and drying machines and cool a cooled stream of fluid disposed in a cooling conduit in thermal communication with the cold side heat exchanger of each one of the washing and drying machines;
• and
• a controller in operative communication with the one or more air sensors, one or more variable speed pumps configured to circulate the heated stream of fluid and cooled stream of fluid, the variable speed fan, and the heat pump, the controller being configured to
• receive the output signal of the one or more air sensors,
• analyze the at least one air characteristic associated with the one or more air sensors, the at least one air characteristic comprising one or more of air temperature, air flow, and air humidity,
• determine, based on the analysis, whether the at least one air characteristic is within a range of values for at least one of air temperature, air flow, and air humidity, and
• adjust, in response to determining at least one air characteristic is not within a range of values, one or more controls for at least one of air temperature, air flow, and air humidity at one or more locations of the system, the one or more controls comprising at least one of fan speed and pump speed of the one or more variable speed pumps configured to circulate the heated stream of fluid and cooled stream of fluid.