Embodiments of the present invention a load lock chamber including two or more isolated chamber volumes, wherein one chamber volume is configured for processing a substrate and another chamber volume is configured to provide cooling to a substrate. One embodiment of the present invention provides a load lock chamber having at least two isolated chamber volumes formed in a chamber body assembly. The at least two isolated chamber volumes may be vertically stacked. A first chamber volume may be used to process a substrate disposed therein using reactive species. A second chamber volume may include a cooled substrate support.