AP uses heat cable not flexwatt for heat. I have had mine going on two years and it works good. Just need a good T-stat hooked to it, same as flexwatt.
Cool, what type tstat do you use? My house has a very stable heating system, so I have always used dimmers with no problems, but when I purchase these I am going to get a good t-stat for them too. Do you have multiple APs? If so, Do you monitor them all with the same tstat, or do they all have their own. I will be buying six APs (most likely AP, still not 100% decided as of yet) and I will have them stacked up...so I don't see a problem with 1 tstat for the whole deal, is it?