my tanks in a uninsulated ply shed, no choice in that matter - will change in future. run a business from home with large chiller, another tropical fresh tank, computers, 2 deep freezers, fridge, water pumps for house and irrigation (tank water), pumps for draining water tank pits, large amount of lights since renovation, air conditioner in fish room
tank - 750 watt metal halides (11 hrs) 130 watt PC (13hrs), 3 x 6100 streams on controller, 2 seios and 2 power heads behind rock, 1 laguna 6 - 1 laguna 7, 902 deltec skimmer, pumps for calcium reactor, pumps and heater for pre mixed salt 50% of time, 500 watt heater, lights above refugium (24hrs), pump in refugium, top up unit with pump, .........