Whether your RV adventure is snow-birding, or weekend get-aways, you will encounter cold nights. Low R-value walls, single-pane windows, and undersized furnaces make keeping heat in your RV a challenge. Here’s some good news though… 6 easy and inexpensive things you can do to keep you a lot more toasty inside your RV. All of these can be done from inside your RV so you can easily move to your next destination: 1) Supplement propane heat with electric heat. Using a ceramic or oil heater plugged into an electrical outlet can help add more heat to your RV. If these cause your breaker to blow, try running a separate extension…