:rofl: What brand are you wanting to go with? We would be more than happy to install them for you Or I can explain how you can DIY.
Wirelessly posted (Mozilla/5.0 (Linux; U; Android 2.2; en-us; Droid Build/FRG22D) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1) What's yer budget?
Seat heaters are fairly painless to install if you want to save yourself some coin. We like these, http://www.sportsimportsltd.com/pecafidutewa.html. They're affordable, long lasting and come with half decent looking rocker switches that are easy to mount.