I think Rick probably remembers walking to school with no shoes and living in a cardboard box in middle't road so he could get up before he went to bed in order to do a 25 hr shift in t'mill.
And Rick I am very real...............................
These heaters probably dont use much more if any more energy at all than pre warming by engine running when used intelligently. Saying dont use them because itll drain the grid is a bit like working out a morning breakfast rota for a housing estate so that kettle boiling and bacon grilling doesnt draw on the system too hard. It happens and theres capacity.
If you want to do the green argument, warm cars start better and wear less,use less fuel, use less oil therefore you can expect to undertake less repairs, replace fewer batteries and starter motors, therefore the factories wont use energy to make new ones thus carbo emmisions in the long term bigger picture will be lower
For most of us urban dwellers even the noise of ice scraping let alone engine running would annoy the neighbours when I leave at 5am or get called out during the night.
Setting off in a warm car to keep internal windows etc clear and transmitted or conducted heat keeping externals warmer and helping prevent further icing is very very useful not to mention safer.
On the subject of 3kw, timer switch so it comes on just before you want it for scheduled use and coupled with its own thermostat....top value :thumb2
With comfort to boot ...............lets be honest anyone can slum it.
So is anyone using one?????