 When your world is in chaos. It's really cold in here. Did someone mess with the thermostat? How come there's no warm air coming out? Maybe it's time for a new heater. We need to call a professional. First Call Juul. When you have heating, cooling, plumbing, or electrical problems, First Call Juul can solve them and bring calmness and comfort to your life again. First Call Juul. 208-522-7777. Heating, cooling, plumbing, and electrical. First Call.