A heated construction box includes a power connector for connection to a
power source and a heater constructed for generating heat within the
construction box when connected to the power source. The construction box
may function as a warmed seat, heated office, heated workbench, for
example, and may attach to a vehicle such as a bed of a pick-up truck. In
one embodiment, the power source for the construction box may provide 12V
and be removed for remote recharging.