I'm intending to add solar to our rig when I get it figured out. Looking to do more than trickle charge my chassis battery. Looking to go off grid completely (and off generator too) for boondocking. A...
Can you give us details about the charge controller?
What is the input voltage for the Magnum inverter?
I would suggest you look at the Platinum Cat which is a vented catalytic heater, rather than the non vented type. It does use a tiny smidgen of 12 volt power, but it also has a thermostat so it can be set at a comfortable temperature.