Heartland Torque 345 and large fridges?

I have read about complaints the use of residential fridges in campers used for boon docking. Even with dual batteries you will be lucky to get two days of use without a charge source. The 7-pin power from the truck will not keep up with the draw of the inverter, so you will need run a dedicated large gauge charge line (like many truck camper people do) or invest in significant solar that has enough capacity to run the inverter and still recharge your battery bank for night time use.