Cost to run an ac your monthly power bill depends on local rates but there are a couple of ways to estimate your costs.
How much electricity does a small window ac use.
Use btu and eer rating to calculate how much power does your air conditioner use.
Manufacturers rate air conditioners on how much heat they can move from inside to outdoors.
Not only will we go over how much electricity does a window ac unit use but we ll also reveal how you can figure out the cost it takes to run a window air conditioner each hour.
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.
A 5 000 btu air conditioner moves less heat than an 8 000 btu air conditioner but the larger unit will use more electrical power than the smaller unit.
A good estimate for a medium sized window or wall air conditioning unit is 900 watts.
You can divide the btu by eer rating something like 5 000 btu 10 eer 500w.
By the end of this post you ll have everything you need to make a well informed buying decision on a new window air conditioning unit.
Power cost because you are billed for units of kilowatt hours you need to estimate how long the unit will run.
Below you find a table of how many watts do different air conditioners from 5 000 btu to 18 000 btu use.
If you re using multiple window air conditioners you can save on your power bill by zoning your cooling or only running the air in parts of the home that are actively occupied.
For test purposes i made power measurements using 2 typical products as examples.
Split system costs according to 2018 estimates from homeadvisor installing a ductless mini split air conditioning system clocks in at a national average cost of.
Electric water heater heating cooling space heater furnace fan blower 1 2 hp furnace fan blower 1 3 hp window ac 10 000 btu window ac 12 000 btu central ac 10 000 btu central ac 24 000 btu heat pump laundry room iron washing machine clothes dryer electric clothes dryer gas.
In other words it is a measurement of how efficient and how much energy your ac unit uses to cool the room.
The standard eer for most air conditioners is set at 10 0.
Determine how much the air conditioner would cost to run over a 24 hour period.
Energy star says the average homeowner spends about 1 000 per year on heating and cooling costs or about 50 percent of their total energy bills.
This rating is given in british thermal units or btus.
The higher the eer number the more efficient your air conditioner is.