How Much Electricity Does A Small Window Ac Use

A 5 000 btu small room budget ac unit the emerson quiet kool window air conditioner right.

How much electricity does a small window ac use.

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. 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. 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. Below you find a table of how many watts do different air conditioners from 5 000 btu to 18 000 btu use.

The higher the eer number the more efficient your air conditioner is. Power cost because you are billed for units of kilowatt hours you need to estimate how long the unit will run. Eer is a measurement of how many btus the unit uses for each watt of power consumed. This rating is given in british thermal units or btus.

Use btu and eer rating to calculate how much power does your air conditioner use. 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. 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 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. For test purposes i made power measurements using 2 typical products as examples. You can divide the btu by eer rating something like 5 000 btu 10 eer 500w. 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.

Manufacturers rate air conditioners on how much heat they can move from inside to outdoors. In other words it is a measurement of how efficient and how much energy your ac unit uses to cool the room. Use the basic formula of watts x hours of use 1 000 x cost per kilowatt hour cost of operation. Cost to run an ac your monthly power bill depends on local rates but there are a couple of ways to estimate your costs.