A multi-zone heat exchanger (190, 290) having a first end (194, 294) and a second end (210, 310), and a width that has a plurality of parallel airflow zones, each zone extending from the first end (194, 294) to the second end (210, 310) and defining an airflow section of the heat exchanger (190, 290) that receives a portion of the airflow through the heat exchanger (190, 290), the heat exchanger (190, 290) comprising: a refrigerant inlet port (200, 400, 420); a refrigerant outlet port (256, 444); a first tube of continuous construction defining a first refrigerant circuit (200A-F, 300A-F) including first return bend portions (220, 222, 228, 232, 236, 240, 244, 248, 320, 322, 328, 332, 336, 340, 344, 348) and coupled to the inlet port (200, 400, 420) and to the outlet port (256, 444), the first refrigerant circuit (200A-F, 300A-F) spanning three or more passes (258, 358) from the first end (194, 294) to the second end (210, 310), the first refrigerant circuit (200A-F, 300A-F) crossing between a first zone, a second zone, and a third zone of the plurality of zones; and a second tube of continuous construction defining a second refrigerant circuit (200A-F, 300A-F) including second return bend portions (220, 222, 228, 232, 236, 240, 244, 248, 320, 322, 328, 332, 336, 340, 344, 348) and the second refrigerant circuit (200A-F, 300A-F) spanning three or more passes (258, 358) from the first end (194, 294) to the second end (210, 310), the second refrigerant circuit (200A-F, 300A-F) crossing between the first zone, the second zone, and the third zone, wherein the second zone is located between the first zone and the third zone, wherein one of the first return bend portions of the first refrigerant circuit (200A-F, 300A-F) crosses two zones from the first zone to the third zone over the second zone in a direction of refrigerant flow through the first refrigerant circuit (200A-F, 300A-F), and wherein one of the second return bend portions of the second refrigerant circuit (200A-F, 300A-F) crosses two zones from the first zone to the third zone over the second zone in a direction of refrigerant flow through the second refrigerant circuit (200A-F, 300A-F); characterized in that the second tube of continuous construction is coupled to the inlet port (200, 400, 420) and to the outlet port (256, 444), wherein the first refrigerant circuit (200A-F, 300A-F) and the second refrigerant circuit (200A-F, 300A-F) are configured to be meshed together without interference such that movement of the second refrigerant circuit (200A-F, 300A-F) into engagement with the first refrigerant circuit (200A-F, 300A-F) is not impeded by the first refrigerant circuit (200A-F, 300A-F). a refrigerant inlet port (200, 400, 420); a refrigerant outlet port (256, 444); a first tube of continuous construction defining a first refrigerant circuit (200A-F, 300A-F) including first return bend portions (220, 222, 228, 232, 236, 240, 244, 248, 320, 322, 328, 332, 336, 340, 344, 348) and coupled to the inlet port (200, 400, 420) and to the outlet port (256, 444), the first refrigerant circuit (200A-F, 300A-F) spanning three or more passes (258, 358) from the first end (194, 294) to the second end (210, 310), the first refrigerant circuit (200A-F, 300A-F) crossing between a first zone, a second zone, and a third zone of the plurality of zones; and a second tube of continuous construction defining a second refrigerant circuit (200A-F, 300A-F) including second return bend portions (220, 222, 228, 232, 236, 240, 244, 248, 320, 322, 328, 332, 336, 340, 344, 348) and the second refrigerant circuit (200A-F, 300A-F) spanning three or more passes (258, 358) from the first end (194, 294) to the second end (210, 310), the second refrigerant circuit (200A-F, 300A-F) crossing between the first zone, the second zone, and the third zone, wherein the second zone is located between the first zone and the third zone, wherein one of the first return bend portions of the first refrigerant circuit (200A-F, 300A-F) crosses two zones from the first zone to the third zone over the second zone in a direction of refrigerant flow through the first refrigerant circuit (200A-F, 300A-F), and wherein one of the second return bend portions of the second refrigerant circuit (200A-F, 300A-F) crosses two zones from the first zone to the third zone over the second zone in a direction of refrigerant flow through the second refrigerant circuit (200A-F, 300A-F); characterized in that the second tube of continuous construction is coupled to the inlet port (200, 400, 420) and to the outlet port (256, 444), wherein the first refrigerant circuit (200A-F, 300A-F) and the second refrigerant circuit (200A-F, 300A-F) are configured to be meshed together without interference such that movement of the second refrigerant circuit (200A-F, 300A-F) into engagement with the first refrigerant circuit (200A-F, 300A-F) is not impeded by the first refrigerant circuit (200A-F, 300A-F).