...cheaper to run my hot tub on 120 or 220? I have the...

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Question by chuck
Submitted on 8/31/2003
Related FAQ: Electrical Wiring FAQ (Part 1 of 2)
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Is it cheaper to run my hot tub on 120 or 220? I have the 120 line, but would have to have a 220 line wired. A Toledo Edison lineman said it would make no difference. A journeyman electrician said it would be cheaper to run on 220. Somebody on a hot tub web site said it's a big misconception that 220 is cheaper to use than 120. I'm confused. Thanks for any information somebody may send me.

Answer by r3
Submitted on 10/16/2003
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with such small current you wont be alive to reap the benefits of the difference of 220v or 120v

Answer by Xyberjohn
Submitted on 12/18/2003
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http://www.alcoe.com/spa/spafaq.html

Answer by cm
Submitted on 1/25/2004
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You absolutely have to use the correct voltage per manufacturer requirements. Unless you have not purchased the hot tub, you don't get to choose the voltage.

Answer by JR
Submitted on 2/2/2004
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If you can run it on either, It is pretty much 6 of one and a half dozen of the other. If your pumps draw 16 amps on high running them on 110, they will run on about 8 amps using 220. The actuall power usage is about the same. The way to save energy is to insulate well under the shell and keep the cover on.

Answer by RB
Submitted on 3/20/2005
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It is not "6 of one and a half dozen of the other". When you use 120VAC the hot tub will demand twice current to operate. Heat losses come from the flow of current not voltage potential. Running the hot tub at 220 VAC will reduce your heat loss, in turn reducing your overall consumption of power.

Answer by SayWhat
Submitted on 6/25/2005
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The big advantage of 220 for some hot tubs is that you can run the motor on high speed and heat the tub. If you use just 110, then you can only run the motor on low with the heater on. This was some what already said. Hope this clears it up.

Answer by beave
Submitted on 7/15/2006
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Your power company probably charges you for Kilowatt Hours. Most certainly it does not charge you for volts. Thus, e.g., if you run a 1000-watt appliance, you'll pay for the 1000 watts, whether your appliance or illumination or hair dryer or whatever is 220v or 110v or 12v. Would you like a more detailed answer?

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