Is it possible to heat a house fan heaters?

Neighbor stretching the truth about how he heats his 100 square meters (96 to be exact) with five fan heaters. I did not believe him, so bear this history in the public debate and waiting for your comments.

Thus, the input data: neighbor lives in a house made of round timber area of ​​96 square meters. According to neighbors, the roof of his house is well insulated (400 mm mineral wool), so the heat that rises to the top, remains in the house. And now that, as he warms ...

The neighbor claims that heats his house with five fan heaters. According to him, minus the oil heaters is that they are only warm air over a heat and leaves, and the warm air heater drives by the house and heats the whole of its area.

"Eat" such heaters are turned off and all power of about 1 kW, when the air is heated up to the desired level. And the neighbor says that this simple device of nikelinovoy thread and fans enough for 100 squares... I do not believe him, but what do you say?

I heard a bunch of stories about how people heat their homes with electricity and to pay a huge amount, but a neighbor says about "3500 per month"

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And how much money is spent on heating do you have?