450-550 square feet = 12000 BTU per hour 11. How many amps does a 5,000 BTU air conditioner use? What is the best emergency back-up generator for the power outage after a storm? Shop for watt air conditioners online at Target. That is, in comparison, higher amperage than it’s needed to power an 18,000 BTU portable air conditioner (about 13-19 amps). Model# WS3-06E-201 $ 479 99. However, it doesn’t draw 100% more amps. If an air conditioner would have a higher EER rating (12, for example) the 500W would give us 6,000 BTU of cooling effect. We see that this AC unit uses 7.25 amps in order to deliver 10,000 BTU of cooling power. Should I buy a house with hurricane flood damage that has been repaired? air), Latent Heat (BTU/hr) = 0.69 x CFM x Δgr. Should I buy a house that has hurricane flood damage? If we want to know how many amps does an AC draw, we have to calculate in two steps: To achieve this, we can use the following two equations: Air conditioner capacity (BTU) = EER/P (in Watts) (Equation 1). A great majority of AC units up to 15,000 BTU are powered by 115V voltage. If you need to get a window air conditioner that will put the absolute minimum load on your generator, one good option is the Frigidaire 5,000 BTU model FFRA051151-1, which is rated at 450 watts, 11.1 EER, and has a “Low Voltage Startup” feature that reduces surge requirement at startup. (Examples). Wirelessly control your window air conditioner from your smartphone. The relationship between BTU and power (in watts) of an air conditioner is determined by energy-efficiency EER rating. The only difference is the energy efficiency rating (EER). • Can I do my own wind mitigation inspection? 96 Sometimes only the amperage is listed. Visit our HEATING AND AIR CONDITIONING and HURRICANE RESISTANCE pages for other related blog posts on this subject, or go to the INDEX for a complete listing of all our articles. Of course, you also have 6,000, 8,000, 12,000, 15,000, and 18,000 BTU devices that use more amps than 5,000 BTU units. 5. We can see from the air conditioner amperage chart that it draws about 13 A. 10000-16000 BTU. You can see how the size of AC units is calculated based primarily on square footage here. … “The EER is the ratio of the cooling capacity (in British thermal units [Btu] per hour) to the power input (in watts),” says the Department of Energy. DanbyBest 6000 BTU Portable AC. air), Sensible Heat (BTU/hr) = 1.1 x CFM x Δt (std. Why do so many more sinkholes open up after a hurricane? User rating, 5 out of 5 stars with 1 review. Here’s links to a collection of our blog posts about HURRICANE RESISTANCE: • Should I buy a house that has hurricane flood damage? A 15,000 Btu unit has a greater cooling capacity but will require more power—about 5,100 starting watts and about 1,600 running watts… EER is Energy-Efficiency Rating that you can usually find in specification sheets of 5,000-18,000 BTU AC units. These numbers are also used to calculate the Amps intervals in the table above). 1 Btu/hr = 0.293 watts 8. The electrical current (measured in Amperes or ‘amps‘ for short) needed to run an air conditioner is directly proportional to how much the AC unit will affect your electricity bill. This size of air conditioning unit is perfect for mid-size rooms around 350-400 square feet and is a common model to find in stores and online. You can expect this size unit to be adequate for a room up to 150 square feet, and we recommend closing the supply register (vent) and taping over any return air register in the room you chose, to prevent loss of cool air through the central a/c ducts. ft. Save my name, email, and website in this browser for the next time I comment. Example 3: 18,000 BTU unit draws a little less than 20 A. From BTU to electrical power (measured in Watts). ... 6000-10000 BTU. Even a 1,000 watt rated output generator will be adequate. 1400-1500 square feet = 24000 Btu per hour 13. A 10,000 BTU Unit has surge wattage of 1800 watts and a running wattage of 1200 watts. Model: ARP-912. It is sometimes called “maximum output” and can only be sustained briefly by a generator. The higher energy-efficiency device from Example 2 (12 EER) delivers 100% more cooling power than the 5,000 BTU device from Example 1 (10 EER). Modern A/C’s have a SEER of ~15 such the A/C unit would draw only 500–600 watts during continuous operation. Older units can draw twice that much. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. For the sake of this example I will use a 12,000 BTU portable air conditioner. How many amps does an 18,000 BTU air conditioner use? What is the best emergency back-up generator for the power outage after a storm? We are not affiliated with, and do not receive any compensation from, any of the companies or products mentioned in this blog. Let’s put those numbers in an air conditioner amperage chart: On the amperage chart above we have charted the maximum estimated amps, an AC unit of 5,000 – 18,000 BTU is estimated to draw. We are in Florida and provide plenty of information about hurricanes and sinkholes, for example, but nothing on basements and ice dams. Hence, we’ll pay less for electricity and still get the 5,000 BTU of cooling power. Hence, if we know P (Power in Watts which we have calculated with Equation 1), we can calculate how many amps an air conditioner needs by merging the two equations, as such: I (in Amps) = Air conditioner capacity (BTU) / (EER x V (in Volts). 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