How Many Amps Does My Window Air Conditioner Use

A rule of thumb to estimate how many watts of energy different air conditioners use is to take the btu number and divide it by 10.

How many amps does my window air conditioner use.

Air conditioning and heat pump loads on a generator. Below you find a table of how many watts do different air conditioners from 5 000 btu to 18 000 btu use. Units require anywhere from 15 60 amps depending on how many tons they are. So how do you find out how many watts does a window ac use.

Do you have the best window ac. In most cases these are plugged into a wall socket that is serviced by a 15 amp breaker. Small room size air conditioners generally in the 5 000 to 6 000 btu range will draw between 5 and 7 amps of power. They must be hard wired and have a dedicated circuit.

Read carefully plan accordingly. Central air conditioner 3500 watts central a c fan only compressor off 750 watts. Your home air conditioner will be designed to work on either a standard 120 volt circuit or if it s a high powered unit it may take 240v which would require a special circuit in your house. Central air conditioning units require 208 240 volts.

The total watts all depends on how energy efficient the manufacturer made the appliance. Because the amperage draw is low other small household appliances can use the same socket as the air conditioner. Chart showing how many kw and amp an air conditioner heat pump uses. For a small bedroom a 5 000 btu window unit should only use 450 watts a mid size 8 000 btu ac should use fewer than 715 watts a big 14 000 btu air conditioner should only use 1 250 watts even the least expensive units we researched for our review of the best window air conditioners got a score of 11 and all of our picks were rated 12 or 12 1.

But rough estimates for how many watts an air conditioners uses are. Each 120v circuit in your house is rated for between 15 and 20 amperes and the 240v circuits are rated for 30a. Check the product manual. The lower two voltage ratings are common in smaller units while units with a rating higher than 15 000 btus will require a 220 volt circuit.

Amps 240 volts 1 phase. Central air conditioning draws extra power each time it turns on and you can t tell how efficiently the system is working. That s how you can easily estimate that 5 000 btu ac units use 500w of energy. Most common voltage ratings for ac units are 115 125 and 220 volts and amperage rating can run from 15 to 20 amps.

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