12V heaters

[BLZN4FN]

I'm looking for a 12v heater for a gift. I dont want a coolant type like mojve this is going into my fathers 48 chevy truck. has anyone used this brand or something similar?

http://www.cetsolar.com/12vdirectheater.htm

 

[Ned Kelly]

I don't think that will give off much heat. All the 12v vehicle heaters I've ever seen have been quite poor at heating. Coolant heaters are easy to install and alot more btu's.