A heating, ventilating, and air conditioning system , for regulating a moisture content of conditioned air, the system comprising: a closed-conduit refrigeration circuit for developing cooling capacity in an evaporator , the closed-circuit refrigeration circuit comprising a refrigerant expansion valve and a suction line ; a closed-conduit desiccant circuit for removing at least some moisture from a cooled airflow cooled by the evaporator , the closed-conduit desiccant circuit having an absorber , the absorber comprising: an absorber frame formed with a first substantially-closed perimeter, a pair of absorber membranes coupled to the absorber frame along the first substantially-closed perimeter, the pair of absorber membranes defining opposite surfaces of an absorber processing volume , the pair of absorber membranes formed of a material permeable to vapor and resistant to liquids, and wherein the absorber frame has a first desiccant entry port and a first desiccant exit port configured to allow liquid desiccant to, respectively, enter and exit the absorber processing volume ; an air-handling sub-system for moving air across a portion of the closed-conduit refrigeration circuit to produce the cooled air flow and across a portion of the closed-conduit desiccant circuit ; and wherein a portion of the closed-conduit refrigeration circuit enters the absorber processing volume for cooling desiccant therein. a closed-conduit refrigeration circuit for developing cooling capacity in an evaporator , the closed-circuit refrigeration circuit comprising a refrigerant expansion valve and a suction line ; a closed-conduit desiccant circuit for removing at least some moisture from a cooled airflow cooled by the evaporator , the closed-conduit desiccant circuit having an absorber , the absorber comprising: an absorber frame formed with a first substantially-closed perimeter, a pair of absorber membranes coupled to the absorber frame along the first substantially-closed perimeter, the pair of absorber membranes defining opposite surfaces of an absorber processing volume , the pair of absorber membranes formed of a material permeable to vapor and resistant to liquids, and wherein the absorber frame has a first desiccant entry port and a first desiccant exit port configured to allow liquid desiccant to, respectively, enter and exit the absorber processing volume ; an air-handling sub-system for moving air across a portion of the closed-conduit refrigeration circuit to produce the cooled air flow and across a portion of the closed-conduit desiccant circuit ; and wherein a portion of the closed-conduit refrigeration circuit enters the absorber processing volume for cooling desiccant therein. an absorber frame formed with a first substantially-closed perimeter, a pair of absorber membranes coupled to the absorber frame along the first substantially-closed perimeter, the pair of absorber membranes defining opposite surfaces of an absorber processing volume , the pair of absorber membranes formed of a material permeable to vapor and resistant to liquids, and wherein the absorber frame has a first desiccant entry port and a first desiccant exit port configured to allow liquid desiccant to, respectively, enter and exit the absorber processing volume ; an air-handling sub-system for moving air across a portion of the closed-conduit refrigeration circuit to produce the cooled air flow and across a portion of the closed-conduit desiccant circuit ; and wherein a portion of the closed-conduit refrigeration circuit enters the absorber processing volume for cooling desiccant therein. <EOS>