Went to an event pushing electric heaters and found the most amazing item! There are heaters that are infared which I DO NOT care for at all, then there are space heaters and well they are simple junk. I did come across a rather expensive halogen (sp?) heater that uses 3 special 650 watt bulbs set in a beautiful coffee table design and well we found a floor model for 1/2 price at $450.00 and wow......never will be without it!!!! We use our 5er heat to get it up to about 72 degrees and then turn on the electric heater and it keeps it there all night! It not only keeps the rig warm it is a coffee table for us to use while watching tv or entertaining. Look into the 3 light system (very expensive but very worth every single penny)