I've never used a Pro Heat RHP so I can't comment on them but I've heard good things from other people. One thing to be wary of with VE panels is that they smell terrible when they are new and need to be outgassed before you put your snake into the enclosure. If you get a VE, wipe down the RHP with a damp cloth and take it outside and let it burn on full blast for 72 hours or as long as it takes to get rid of the smell before installing it.

Not sure if this is necessary with Pro Heat RHPs, but if you smell any fumes I'd recommend doing the same thing.