900L of water, with air conditioning machine outside the titanium tube heating, cooling, 1P or 1.5P appropriate?
Even if you can, and no heating rod effect is good, serious electricity costs. The only heating in the winter is the interior heating + heating bar
Refrigeration can be done without heating that necessary, and there is no possibility that air conditioning heating is done using hot filament technology that is not conveyed from titanium tubes at all.
Another 1.5 meters of the fish tank with a large 1p, need to install the temperature controller downtime
