Most smaller portable air conditioning units are powered around the 8 000 to 14 000 btu range.
How much electricity does a small window ac use.
If we assume that you run the unit for eight hours per day here s how much electricity it costs to operate a 550 watt window ac unit.
A typical box fan used for cooling and white noise both are good choices as they re popular and fit the price range many people shop in.
How much does it cost to use a window ac for the average person.
A good estimate for a medium sized window or wall air conditioning unit is 900 watts.
A 5 000 btu small room budget ac unit the emerson quiet kool window air conditioner right.
The average central air conditioning unit will use somewhere between 3000 and 5000 watts of power every hour that it is in use.
Those rated as 14 000 can cover large rooms and even small apartments.
What affects how many watts an air conditioner uses.
Most common voltage ratings for ac units are 115 125 and 220 volts and amperage rating can run from 15 to 20 amps.
Smallest window unit 500 watts.
For example a 1000w ac unit spends 1 kilowatt hour of electricity per hour.
High wattage air conditioners cost more to run.
1500w unit for comparison spends 1 5 kwh of electricity per hour.
Every air conditioner is going to use a certain number of watts per hour.
Using these numbers you will be able to calculate how much using your air conditioner is going to cost you.
In other words it is a measurement of how efficient and how much energy your ac unit uses to cool the room.
For test purposes i made power measurements using 2 typical products as examples.
An appliance s nameplate displays the amount of power it draws while running measured in watts.
Eer is a measurement of how many btus the unit uses for each watt of power consumed.
Cost to run an ac your monthly power bill depends on local rates but there are a couple of ways to estimate your costs.
Do you have the best window ac.
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.
The lower end of the spectrum 8 000 btu is enough for smaller single rooms.
The standard eer for most air conditioners is set at 10 0.
If we take the average of running the device for eight hours per day and also consider the national kwh rate of 0 13 you can estimate spending the following amount per month on electricity for these different sized window air conditioners.
The higher the eer number the more efficient your air conditioner is.