a large, cylindrical or dome-shaped object a metal or ceramic exterior an open or ventilated top an electrical cord or gas line connecting to the unit a thermostat or temperature control panel a fan or blower motor a filter or grille to disperse heat
heat which is a large, cylindrical or dome-shaped object heat which is a metal or ceramic exterior heat which is an open or ventilated top heat which is an electrical cord or gas line connecting to the unit heat which is a thermostat or temperature control panel heat which is a fan or blower motor heat which is a filter or grille to disperse heat