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In general, yes. but what is important is to look at the SEER rating of the unit. The higher the number, the more efficient the unit. Also, consider the size of the room you are trying to cool and the average outside temp and humidity that the unit will be working against. You may only need a 5000 BTU unit or for a large room a 12 or 18K unit. I know, TMI.

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βˆ™ 13y ago
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βˆ™ 3mo ago

A 110-volt heater will use the same amount of electricity as a 220-volt heater with the same power rating. The power consumption of the heater is determined by its wattage, not the voltage. The lower voltage of a 110-volt heater just means it draws higher amperage compared to a 220-volt heater to produce the same amount of heat.

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βˆ™ 12y ago

Absolutely not. Standard electric heaters (resistance heaters) are 100% efficient so the only difference is you can get more power from a 220 volt circuit. Power being watts. The highest watt heater on a 120 volt circuit is usually 1500w With 220 volts you can go higher. So, a 1500w heater on 120 volts will use the same amount of electricity as a 1500w heater on 240v

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βˆ™ 12y ago

NO. you pay for electricity in watts. (actually watt-hours but we keep it simple for you.)

(W)watts are calculated as (A)amps times (V)volts.

so a 22,000 watt appliance uses

220 V x 100 A= 22000W

110 V x 200 A = 22000W

or:

22000 V x 1 A = 22000W

1 V x 22000 A = 22000W

you pay 22000 Watts no matter how many volts goes into the house.

think of this: What is heavier, 1KG of feathers or 1KG of lead?

neither, they both weigh the same.

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βˆ™ 15y ago

No, the amount of energy consumed is based on how much work you demand from the motor, not the voltage (110v or 220v).

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βˆ™ 14y ago

less efficient than the 110 volt motor.because as the voltage is more so the loss will be more. therefore efficiency will be less.

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βˆ™ 10y ago

No. It just needs twice as much current (double the amps) to deliver

the same amount of power. So you would need heavier wire to run

a motor on 110 with the same power.

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Q: Does a 110 volt heater use more electricity than a 220 v?
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If a heater claims to be 1500 watts how long would it take for that heater to draw 1500 watts?

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