How large of a solar panel is needed to power a typical home central air unit?
I would like to offset my air conditioning bills by purchasing a solar panel setup. I guess the questions that need answered are these:
How much power does a central air unit use? 220 Volts / 8 Amps Sound about right?
How large of a solar array will I need to power this non-stop during peak daylight/sunlight hours?
If your state offers "New Metering" look into installing a grid-tie system. You won't need to rely on batteries storing the energy your panels produce and if you produce more energy than you consume one month the utility company will actually credit your account for that surplus. I would recommend Global Solar Center as a good starting point (http://www.globalsolarcenter.com/). They will provide you with a free solar quote and inform you of all the incentives you'll be eligible for, your estimated annual savings, payback period etc... They'll provide you with all the info you'll need to make a smart decision. Whether or not the system powers your entire central units consumption, at the end of the day you will be saving on your monthly utility bill. Your location will be a major factor as far as feasibility goes but you should definitely start by visiting that site.
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