A heated construction box includes a heater constructed for generating heat within the construction box when connected to a power source. The construction box may include a dehumidifier, extendable supports and/or a retractable power cord assembly, as well as a cooled compartment, a hot plate and/or a microwave oven for heating or cooling solvent, paint, lacquer, epoxy, sealant, caulk, tar and the like, or food and beverage.