Before to buy a window air conditioner, it is essential to keep in mind the electrical requirements as home window A/C units space typically much more powerful than standard family members appliances.

You are watching: How many amps does a window ac unit use


Most common voltage ratings because that AC units space 115, 125 and also 220 volts, and also amperage rating have the right to run from 15 come 20 amps. The reduced two voltage ratings are common in smaller units, when units through a rating higher than 15,000 BTUs will call for a 220-volt circuit.

Smaller units through a 115 volt and 15 amp necessity will be able to operate off a standard family members outlet. However, larger units that have higher energy requirements need a committed outlet to manage the electrical existing required because that operation.

If you currently have a committed outlet for your AC unit, you’ll want to shot to pick a replacement with the same ratings and also plug kind to get rid of the require of having actually a brand-new outlet professionally installed by one electrician. If you’re installation a new unit, take note of the wattage, voltage and also plug form indicated.

Plug varieties are provided by their NEMA (National electrical Manufacturers Association) classification and also will often incorporate a picture of the plug receptacle for your reference. Few of the most typical examples include:


Note: extension cords have the right to be provided when needed however only cords rated especially for window air air conditioning or other comparable gauge home appliances have to be used. View packaging because that certification, voltage and amperage ratings before use.

Filed Under: A/C & Heating, window Air conditioners Tagged With: air conditioner, appliances, home window air conditioner


About ours Team

Kara Zorn is a wife and working mother who loves life hacking that help her schedule permit for as much quality family time together possible. She enjoys food preparation with locally sourced food and produce and recently took up brewing Kombucha.


Gabriel Lim says

February 5, 2016 at 5:15 pm

I just purchased a Koldfront 18,500 BTU .It calls for a 25 Amp electric source. I only have a 20 Amp circuit breaker and also it works well through the cooling the the waiting conditioner. But when making use of the heater the demand for much more electric power trips the circuit breaker and shuts off. If ns decide to just use the wait conditioner and not the heater, is a 20 Amp circuit breaker adequate to strength the wait conditioner. If ns upgrade my circuit breaker what would be the recommended amperage 25 – 30 amp?

Joseph Alexander Tate says

May 8, 2018 at 8:10 pm

switching out the breakers space really straightforward , revolve the key breaker off ,then just pull out your old breaker ,look in ~ wires ,they will certainly be 2 ,just pull a tiny on the old breaker and the two wire ,that give you part room , you have two wires ,remember lock , unscrew them and also screw the wires in brand-new breaker, however the new breaker back in point of view ,and press in ,and every finished ,flip the main breaker and also you space all good

its a great way to burn under your house. The fuse is an alleged to melt and breakers release prior to the wire catches the home on fire. If its no a dedicated line come a range, dryer or water tank its more than likely only 12 ga or 20 amp max wire. 12 ga through 25 amps will obtain warm. Relationships will acquire hot. Connectors and also wire nuts get really hot and also poof …. Fire.

I have actually an window AC unit through 220 Volt and the plug is tandem 6-15P. However, the wall outlet is for a perpendicular 5-20P. Is there an adaptor the can convert from one come the other or will certainly I require to readjust the wall outlet.

I have a home window unit 220,it just stop working don’t know what to carry out I unplug it because that awhile despite that would certainly work yet it didn’t HELP

please help me in this problem my ac is 2 ton window ac so how much ampere must i call for to placed in fuse box because when i revolve on mine ac the wire begin burning

I have a home window AC which do noise as soon as i top top it, a girlfriend advice me to get 5000vt stabilizer to power it and also i don’t know just how true is the to be the food of the noise. Plz advice me, thanks

I have actually a home window unit(A.C.) its 15.500 B.T.UWHAT GAUGE WIRE execute I NEED?AND due to the fact that IT IS A cursed BREAKER.WHAT size BREAKER?20,30,40 AMP?PLZ allow ME KNOW?THANK YOU.

You will need a 20 amp breaker and 12/3 wire. Remember the 120 volts times 20 amps is 2400 watt max, then 80% of that is 1920 watts; anything an ext than 1920 her breaker will flip off. I very own a 15,000 BTU unit and the max wattage it ever has supplied is 1450 watts, but generally between 1300 and also 1350 is the norm. It is necessary to remember the your voltage throughout her house and also neighborhood are greater in the morning and much lower in the afternoon. You space to walk no lower than a 20 amp breaker and no higher than 12 gauge (the greater the number the diluent the wire). One last note…it is usually known that anything greater than 15,000 BTUs requires 230 volt. Twin check her BTUs.

i have a 10.5 amp window air conditioner its on a 15 amp breaker likewise using a 14 gauge extenision cord works good until about 90 degrees then kicks off small confused.

See more: What Do All Heterotrophs Have In Common? Heterotrophs Definition, Nutrition, Vs Autotrophs

I to be looking to get a a.c. Unit for my 30 ft camper. Any recomendations. The only window that will work-related is at the ago end far from the bedroom.

i have two 6000 btu waiting conditioners.Does anybody recognize if I have the right to I run both top top a single 20 amp circuit?Thanks!

I have a 24000 btu window kind AC. What size breaker should it be wired to if utilizing 10 ga. Wire?12-3 ga. Wire?

Ok, i don’t think i want to know about amps, what i have is a 115v – 60 hz new portable AC unit. Is the ok to plugin or not?

Leave a answer Cancel reply

Your email address will not be published. Required areas are significant *