If you are going with an IR light, go to
www.columbiacoatings.com and take a look at their propane unit. People will say that it shouldnt be cured with flames due to the powder being flammable, but if you start looking at the larger industrial powdercoating companies, they all use propane on nat. gas. It also helps quicken the ramp speed, and uses a lot less $$$ in power. Oh, and it's portable, so if you need to do some at someone else's garage and they dont have a 220V outlet, you can still giter dun...