If you are one who camps in your Westfalia with the top up in super-cold weather, this is the ticket! Very quiet operation, self-diagnostics, 1.9 amp current consumption. Two-year mfg warranty. BUS HEATER (http://westyventures.com/propex.html)
damn Jack,
$830.00 buys lots of long underwear!
good thing to have but I'd bet a gas heater would be around the same cost