The thing with dimmers, from my understanding, is there is not a lot of safety if any, when using a dimmer. One brand of thermostats I like are herpstats from spyder robotics. They have a herpstat 4 for example, this is actually 4 thermostats in one, it comes with four separate probes, one for each heat source, this allows to to program up to four different heat sources at temps of your choosing.
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