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Old 06-07-2012, 09:06 PM   #1
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mini split system 110 vs 220 volt


I have noticed that some one zone units (12000btu) will come in a 110volt or a 220volt . Which one will give the best performance?

Looking to buy one
Thanks

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Old 06-07-2012, 09:16 PM   #2
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mini split system 110 vs 220 volt


Not much difference in performance. Obviously less amperage draw on wire using 220, may be better with longer lengths of wiring from panel etc. Both should give rated cooling capacity.

If your panel has open spaces to use 220, that would be my choice, but others may have other opinions.

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Old 06-07-2012, 09:20 PM   #3
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mini split system 110 vs 220 volt


Get a 220V unit.
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Old 06-07-2012, 10:33 PM   #4
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mini split system 110 vs 220 volt


no difference..... wire size that's all...
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Old 06-07-2012, 10:41 PM   #5
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mini split system 110 vs 220 volt


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no difference..... wire size that's all...

Yep! That's it.
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Old 06-08-2012, 12:48 PM   #6
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mini split system 110 vs 220 volt


yep 220v. the electric co charges for usage. the amps will be less and if you have a Demand Meter the 110v will hurt you in the wallet
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Old 06-08-2012, 01:41 PM   #7
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mini split system 110 vs 220 volt


Plus, with 220v you have half the amps in the wires so you have 1/4th the power dissipated and wasted in them.

12w or so? Whoopee.
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Old 06-08-2012, 08:36 PM   #8
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mini split system 110 vs 220 volt


Thanks for the info that helps alot....
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Old 06-08-2012, 09:12 PM   #9
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mini split system 110 vs 220 volt


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dissipated and wasted

What???
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Old 06-09-2012, 01:23 AM   #10
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mini split system 110 vs 220 volt


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yep 220v. the electric co charges for usage. the amps will be less and if you have a Demand Meter the 110v will hurt you in the wallet
You pay by the watt...a watt equals volts X amps

220v x 10 amps = 2200 watts (2.2 kw)
110v x 20 amps = 2200 watts (2.2 kw)

Same amount of wattage, same power consumption, same everything...
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Old 06-09-2012, 03:24 AM   #11
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mini split system 110 vs 220 volt


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You pay by the watt...a watt equals volts X amps

220v x 10 amps = 2200 watts (2.2 kw)
110v x 20 amps = 2200 watts (2.2 kw)

Same amount of wattage, same power consumption, same everything...
Yep. Higher voltage simply allows a smaller wire size to be used for the same size load.
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Old 06-09-2012, 03:53 AM   #12
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mini split system 110 vs 220 volt


true. like i said if you have a demand meter the electric company will charge you more if you go over the amp draw. they give you a lower rate, but if you go over a certain amp draw then they charge you a higher rate. it works pretty good if you dont turn on the a/c, dryer and stove at the same time.
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Old 06-09-2012, 03:57 AM   #13
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mini split system 110 vs 220 volt


Around here. All demand meter rates are determined by KWH draw, not amps.
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Old 06-09-2012, 09:37 AM   #14
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mini split system 110 vs 220 volt


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Originally Posted by Missouri Bound View Post
What???
Some power is lost in the wires. If you have 1/4 ohm of wire resistance you have 25W lost if 10A is flowing, P = (I^2) R.
With 20A you'd lose 100W.

Last edited by Yoyizit; 06-09-2012 at 09:41 AM.
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Old 07-25-2014, 11:02 PM   #15
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mini split system 110 vs 220 volt


I've never seen 220 volts with a 10 amp breaker....?

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