I am working on a project where I am trying to adjust power going to a heating element. I am running between 12-18 watts of power. I have been looking at pots, however the ones that can handle the power are large and rather expensive. What other options are there. I am trying to keep it simple (Analog), however I can work with a digital solution. Just keep in mind I am new to electronics and learning as I go, so if you need more information just ask.