From my own experience, which is limited!!!! it sounds like you have it sussed, when i bought my latest tank the move took about one and half hours so the filter was kept running right until we emptied out the water and once we got home we moved like lightening and got the tank set up pretty quickly, the result was very cloudy water for the existing BN but he/she survived.I wouldn't have thought you needed to worry about heat pads this time of year. I'm sure you will get some suggestions for far more experienced forum members than me