Gemini Select 38 Series outdoor condensing units feature two independent refrigerant circuits on all sizes, with a single circuit factory-installed option on 25 to 65 ton units. Each unit has its own highly efficient hermetic scroll compressor(s). All units are factory-wired and easily connected by refrigerant lines and control wiring to the matching Carrier indoor air-handling units (Sizes 025-030 match to 40RU units and sizes 025-130 match to 39 Series units). Various combinations of condensing units with air handlers provide customized packages to cover a wide range of commercial cooling solutions. Low roof-load weight distribution and weatherproof construction make these condensing units an excellent selection for rooftop or on-the-ground installations on commercial and industrial air conditioning applications.