1. An enclosure, comprising:a light source within the enclosure;
one or more fans configured to control corresponding flows of air into or out of the enclosure;
one or more temperature sensors located within the enclosure and configured to monitor one or more corresponding temperatures inside the enclosure; and
a controller coupled to the one or more fans and the one or more temperature sensors, and configured to proactively adjust one or more speeds of the one or more fans to maintain a constant light output color temperature, based on one or more of the temperatures monitored by the one or more temperature sensors and a temperature change predicted to result from a planned lamp power change in a preprogrammed light show.