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About Bob Sponaugle
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Just about any home wiring question. (not appliance repair) I have done all kinds of home wiring for myself, including adding a new breaker box, etc. Please, questions from North America only. Please be specific with details.

You are here: Experts > Home/Garden > Home Improvement/Repair > Electrical Wiring in the Home > 100 amp vs 200amp

Electrical Wiring in the Home - 100 amp vs 200amp

Expert: Bob Sponaugle - 11/8/2009

Question
I have been told that it is cheaper to run a 240v A/C (or anything for that matter ), than to run a 120v 'item' to do the same 'job.' Is that correct? Should I change my 100 amp service over to the 200 amp service and can that save on the electric bill? Thanks, Richard

Answer
Hi.

It does not matter how many volts you run appliances on. You are billed for watts, and that does not change with voltage.

Changing your amperage will give you more capacity, but will not change the amount of electricity you use.

I hope this helps.

Bob

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