Saddle window air conditioner with an adjustable chaseway

A saddle window air conditioner, comprising:

• an interior casing;
• an exterior casing spaced from the interior casing;
• a chaseway extending between the interior casing and the exterior casing, the chaseway comprising a first sleeve mounted to one of the interior casing and the exterior casing, a second sleeve mounted to the other of the interior casing and the exterior casing, the first sleeve slidably received within the second sleeve such that a length of the chaseway between the interior casing and the exterior casing is adjustable by sliding the first sleeve within the second sleeve;
• and
• a mounting bracket mountable at a window, the mounting bracket comprising a pair of support legs, a pair of lift feet and a pair of springs, each of the pair of lift feet slidably mounted to a respective one of the pair of the support legs, each of the pair of springs coupled to a respective one of the pair of lift feet, the pair of lift feet connectable to the exterior casing, the pair of springs urging the pair of lift feet and the exterior casing upwardly on the pair of support legs when the mounting bracket is positioned in the window and the pair of lift feet is connected to the exterior casing.