In the past I have found myself out in the cold garage working on either a car or my tractor (previously tractors). The last two years I used what could be described as a space heater, which meant as long as I was in front of it and relatively close, I was warm (at least one side of me).

This year I would like to warm the entire garage and was wondering if anyone uses portable heaters to heat their garage or even their home. I have a two car, high ceiling garage and was thinking about something like this

http://www.homedepot.com/webapp/wcs/...10000003+90139

I don't want to install a gas line and a separate furnace. These seem economical for the minimal time I am out there.