Educate me - the great range debate

[WetEV]

Instead of another 5 pages of debate in the Heater = 9kW thread, I figured everyone would benefit getting answers from the source.

But frankly, the answer is: it depends. How cold? Dry, rain or heavy wet snow? Inside of the cabin, dry or damp? What speed? And probably more.

The definitive answer would be pages and pages. Here is the summary. TLDR