The first thing to understand is that the amount of electric power you get from a solar panel is not enough to provide electric heat. Its not efficient to go from solar electric to electric heat. If you want heat, you need to look at pipes and a fluid, and store solar heat in an insulated container.
With solar electric, the first step is not to install a solar panel. It is to drastically reduce your electric use. For a smaller system, you should try to eliminate anything that needs electricity for heat or mechanical power. Just stick with light, sound and data. You can occasionally plug in an inverter and run a drill or other tool, but that should not be a regular use for a small system.
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