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How much solar power do I need to run a heater?

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Let's start with most 120 VAC heaters have a top setting of 1500 watts which means they are using about 12 to 13 amps of AC current. A solar panel puts out DC power and can be rated at a few volts up to 300 volts or more. read more

Solar panels cannot directly power your heater and using a 1.500 watt solar panel would not be useful. What most do is use solar to charge a battery and then us an inverter to change the DC battery current into AC in order to power the heater. read more

Re: I want to run my water heater on solar power (Newbie) This isn,t a good idea heating water with a regular electric waterheater. It will cost you too much money. I have one of those General electric Geo spring waterheaters which has energy rating of 2.3 and I used about 490 kwh for year of waterheating. read more

” implies a basic misunderstanding of how solar energy in your RV works. For example, this is NOT how it works: At least, that’s not how it works if you want air conditioning on a partly cloudy day. read more

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