12,000 BTU might just cut it, especially if you have a 7 ft ceiling. I suggested that most people in cold climates never remove their window units, especially heavy 10k BTU models. Consider from my information. My house is 4 bedrooms plus lounge/ dining and family/kitchen just wondering how many systems and what size( was advised by store that I would need 1 for each bedroom and possibly 2 others) Expensive!! For example, when I put in the specs for my apartment, 32 ft by 15 ft, 8 ft ceiling and heavily shaded, the BTUs come out to a little over 10,000. for the stove, oven, and microwave. The unit can effectively cool this space. How climate is mostly in the 80s year round and very humid (Hawaii problems) What air cooling system would you recommend. What btu would I need for a window unit? On the other hand, purchasing an air conditioner that is too large for the space may mean you’re spending more money, both on the unit and on the energy it requires to run. 2 zones should have a capacity of 17,000 BTU and 6,000 BTU respectively. Adjacent hallway with 30 “ doorway hallway is 9×5 We have 1000s of experienced HVAC expert across the US, you can use this link to get an HVAC expert in your area to help you out. The more people that use the area you are cooling, the higher the BTUs need to be to compete with body heat. Thanks. Hello Walter, the basic EPA recommendation is that you would need 20 BTU for every sq ft. 1057 sq ft would, using this recommendation, need 21,140 BTU unit. An average 350 sq ft room would need a 7,000 BTU unit. of square footage you have. We want an air conditioner that has just the right amount of cooling effect. Will a 6,500 BTU Window Air Conditioner cool my room off efficiently and cheaply? 6500 BTU Air Conditioner Room Size via Tumblr http://ift.tt/2bppGRM If you don’t use your kitchen, you can forget about that 4,000 BTU. I am also thinking to add window films like reflective one to help cut down the sunlight and the heat. 36,000 BTU would be an overkill. Portable AC units will hardly handle it, window units or mini split units could do that job well. So, would two 10,000 BTUs work or 14,000 BTUs work just as well? In summary, when do you need an air conditioner with higher BTU than standardly recommended: Example: If you have a 500 sq ft sun cabin near Texas with many glass windows, you’re should be looking at 10,000 BTU air conditioners (as recommended). It denotes the size of your air conditioner. Furthermore, we think that our 2265 reviews sampled from our sources give us a high confidence level ( more on confidence levels ) that justifies making it a "no-brainer best choice." Hello! (std. ft. (35) Greater than 500 sq. I am no cook and, except for using my microwave and toaster every everyday, I hardly ever use my kitchen except to go to the refrigerator to get something to drink or find something to heat up in the microwave. Hello, I am trying to get an AC unit for my fifth-wheeler. The equation for ‘sq ft to BTU’ is quite simple – just multiply the sq ft with 20. Then doorway into lr and dr 30×21 For a small bedroom, home office, or guest room, look for an air conditioner with a capacity of 5,000 to 6,500 Btu. ft. area with 8 feet ceilings, average sun exposure, average climate, and not including kitchen (you can find this BTU calculator below and use it for your situation): In short, you would need a 10,000 BTU air conditioner. This means separating out closets, bump outs, and hallways each as their own separate area. Hi David , I have a 25×17’ room with 8’ ceilings in all 2- 130ft sq bedrooms 1- 48sq ft bathroom, living room and kitchen 338 sq ft and ceiling is 7 ft. Air Conditioner Wattage Calculator (For Known BTU Capacity), Power Consumption Calculator And Electrical Bill (+ 2 Examples), AC Tonnage Calculator Per Square Foot (+Tonnage Table). Hello Daryl, the biggest residential portable AC units have a maximum cooling capacity of 15,000 BTU. I plan on installing a 2.5 ton system, with 2 total head units, one on either side of the room to evenly circulate airflow through the large space. Kitchen: 9′ x 13′ (northern exposure, but warm because of the gas stove) 10,000 BTU with an above-average airflow (above 250 CFM) would be a safe bet. Portable air conditioner would probably be the most convenient. Thank you for the insight; I’m sure it will be most helpful for everybody who is experiencing similar problems. ft. (8) Less than 300 sq. Hello David, 15×15 and 12×13 rooms have a combined area of 381 sq ft. ( someone has extra AC and offer 1 from these 2 to me). As an Amazon Associate we earn from qualifying purchases. Could I go with a 10,000 or 12,000 BTU unit? Midea owners manual (and Midea comments on Amazon) recommends that the unit be taken out and stored for winter. While this chart is used as a general rule of thumb for selecting air conditioner size, variations can occur depending They’ll certainly know how to calculate that ceiling slope. The best you can do here is to buy a small 5,000 BTU window or small 8,000 BTU portable AC unit (more about smallest AC units here). Please can someone help. Air Conditioner Size Power Supply: The following air conditioning units do not need a separate power supply and can be plugged into a wall socket: Room size of up to 15m² = 9 000 BTU (2.6Kw) Room size 18m² – 20m² = 12 000 BTU (3.5Kw) Room size 24m² – 30m² = 18 000 BTU (5.3Kw) Account. Can you help with any thoughts on this? BTU Recommendations Based on Square Footage: We would recommend using our BTU cooling calculator to determine the specific amount of BTUs you will need from your air conditioner in order to properly cool your space. What size portable AC would work? The room is 12 x 19.5 with an open ceiling 12′ high at the peak and 7.5′ high on the east & west sides. I am living in the Caribbean, my entire house is 30 * 20 ft, one bed room is 11 * 9 ft floor to ceiling throughout the building is 9 ft. I have a 16×16 bedroom on the second floor with 8′ ceilings. Hello Mela, for the bedroom, 4,000 BTU device would be more than enough. Now, 18,000 BTU would definitely do the job but it might be an overkill. For this size, a smaller portable air conditioner would be most appropriate. ft. stay cool and comfortable when mother nature turns up the heat, this 10,000 BTU (6,500 BTU – DOE) portable air conditioner can cool rooms up to 300 sq. I fear that Midea will get lots of warranty calls next summer when these units fail. If you are looking for a ducted air conditioner size guide you need to work out how many rooms you will have on at the same time. I have a 1050 sq.ft garage with 9 ft ceilings and no divided spaces. The 12,000 will cool down a few rooms (living room + master + bedroom 2, for example) but not the whole apartment. The old one I’m using is 5,200 BTU and it’s not cold enough for summer and now it fails to work properly. The most elegant solution would be a 14,000 BTU mini-split unit.

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Any help will do thanks Manny. The living room unit is 6,500 BTU and the bedroom unit is 6,000 BTU. BTUs stand for British Thermal Units Hello James, thank you for the compliments. Windows don’t. According to your BTU calculator I would need 18,837.5 BTUs. Hello James, the usually 15,000+ BTU mini split units need run on 220V. Getting the right-sized air conditioning unit is too important to leave to chance. Prime Cart. How many btu would I need I have a total of 5 windows. If you want to properly cool down a 300 square foot area (or room), you need a 6,000 BTU air conditioner. You’re correct; a mini-split heat pump is a perfect choice for your situation (just with 1 console). The most important metric is the BTU value. Not knowing how many watts does a 5,000 BTU air conditioner use is actually pretty normal. Hello Ron, for a 200 sq ft you would need a 5,000-8,000 BTU portable air conditioner. = 4.5 x CFM x Δh (std. Hello Grace, for the (roughly speaking) 350 sq ft living room you would need a 7,000-8,000 BTU AC unit. However when I checked off kitchen, it jumps up to over 14,000. You have different EER and SEER ratings, power, amperage, voltage, and so on. Thankyou very much for your suggestions and ideas. In this situation, it would make sense to invest in 12,000/14,000 BTU AC unit for the entire house. Get the right-size air conditioner for your needs But there is a wall in between, one room is 12′ x 18′. It’s 32×9 in average (somewhere in between 280-340 sqft). I’m investigating the Midea U Inverter window units because the position of the compressor should make for quieter functioning. People often buy thes… Use this calculator to estimate the cooling needs of a typical room or house, such as finding out the power of a window air conditioner needed for an apartment room or the central air conditioner for an entire house. with 8 ft ceiling, highly sun exposure side of the building (3 windows size: 3×5.2 ft ). To better illustrate what size or an air conditioner you need, let’s have a look at a BTU chart: Again, when narrowing down your choice of an air conditioner, knowing how big an area you need to cool is your best friend. air), Sensible Heat (BTU/hr) = 1.1 x CFM x Δt (std. 2 x 10,000 BTU would make sense. Before buying an air conditioner, find out how many BTUs you need.. They get excellent reviews, and the sturdiness of the mounting looks like it might save wear and tear on the units, given that I must install and uninstall them every year. For your situation, a 12,000 BTU or even 14,000 BTU would be recommended. ft (15 ft. x 20 ft. ) Oscillating air discharge: inclined top air discharge swings up and down to sweep air evenly throughout the room, eliminating hot spots, oscillation feature can be turned off using remote control Hello Meg, the total area to cool down is 560 sq ft. Hello Jackie, 16 x 14 room is 224 sq ft. Hello, I have a 12×16 building with 1 window, 1 door, 6 lights, 3 incubators. Cools up to 300 sq. Hello, my ac person recommends i put in a 12000 ac/heat system fujitsu, in apartment that has the following, living room = 225 sq/ft, master = 210 sq/ft, bedroom2 = 201 sq/ft, bedroom3 = 126 sq/ft, kitchen = 198 sq/ft entrance(common area between all rooms) = 97 sq/ft, all rooms have doors, for total of 1057 sq/ft TOTAL, 8ft ceiling height and he says that will be enough because not open concept, my question is, will the whole apartment feel cold, or some rooms maybe be hotter if I get it, will it be rushing or is 15 or 18 btu system overkill and cost wise will it be much more expensive to purchase and run day in and out, thank you for your time and help. ( room built 1963 ) It also has a very heavy Sun exposure. There are two reasons for this; window AC units don’t isolate from the winter weather as well as windows and most homeowners like the improved aesthetics when they tuck the unit away for the winter (not the most appealing device to have on a windowsill). Considering this is for a normal housing with wood structure. You can find some of the best portable AC units here. 2 12,000 units might do the trick as well. Here is an example of how you can calculate how many BTUs you need to cool down a 500 sq. First of all, thank you so much for this website, it has so much useful information and I’m sure everyone who comes across it appreciates it very much. How many BTUs do you need to properly cool down certain square footage of space? sort by Hi, I’m looking to replace a window air conditioner for a 240 sq ft living room with 8 ft ceiling and average sun in Connecticut. Bedroom: 12′ x 12′ (northern exposure) Here’s what I’m thinking now. The 13’2” by 14’5” bedroom room has cathedral ceilings, a SW facing window that measures 48” by 56” and one occupant. While room size is an important consideration, every home is different and there are many other factors that will impact your air conditioning capacity requirements. This is especially true for apartment dwellers, who also have no place to store big AC units. Hello David, in most cases 8,000 BTU should be more than enough for a 240 sq ft room. If yes, how many btu’s do you reccomend? Given that you’re in sunny California with 3 windows, even the 8,000 BTU might not be enough. I have an enclosed patio room, it is 20 by 15′ with large windows on three sides. Here’s my question; I see that adding a kitchen to the analysis greatly increases the BTUs. ft. (17) 300 - 500 sq. They are usually window units. I’m thinking of getting an 8,000 btu the 5,000 btu just isn’t cutting it. Until this summer, I haven’t minded having a hot kitchen. I’m trying to figure out the BTU size for a mini-split I want to put in an addition to augment the central air. a professional opinion. If it’s a 18,000 BTU heater, for example, the whole unit will usually need 220V. Hello Carlos, with 10 ft ceiling the two fans is a good idea. Given the additional doorway and above-average ceiling height, you’re looking at a 9,000 BTU unit. If you can find a 8.000 BTU dual-hose one, that would be a very optimum choice. Two-zone 9000/9000 mini split would be the perfect solution here. Your advice would be much appreciated! That’s the most budget option you can get; it also has high energy-efficiency which means low running costs. Try. Thank you, Sue Harig. Free 2-day shipping. All open and connected to each other. The room has a 48 in open doorway to a 90 sq foyer (directly opposite the window with the AC unit) and a 30 open doorway to a 200 sq ft dining room (to the side). The 10,000 BTU would be overkill; it would cool the space better due to 2,000 BTU more cooling power but the electricity bill and the initial portable AC cost would be higher. Direct sunlight on insulated garage doors during the afternoon. However, below we have listed some general BTU recommendations that will help get you started. Windows are doubled pane. With the added 1/2 ft of the ceiling and the 3 windows, you should probably check out 10,000 BTU units. Consult the following chart to see where Hello Sivaram, a 660 sq ft room with low sun exposure would need, roughly speaking, 14,000 BTU AC unit. You’re right; you would need at least 15,000 BTU device – a 18,000 BTU would be perfect. "Take some time to assess the room and figure out which size air conditioner you need," says CHOICE's air con expert Chris Barnes. You have to close the door somewhere in order to create a 500-600 sq ft isolated area. Maybe a combination of 14,000 BTU and 8,000 BTU would be smarter; you only run 14,000 BTU most of the time but during a really sunny day, you also turn on the 8,000 BTU unit. Hello Hugh, that’s one hell of a room. You can check the LM’s article about the best 3-zone mini-splits here to check for the most optimum units. The room has quite a volume; you would need about 25,000 BTU devices. Hello Manuel, you would need an 8,000 BTU air conditioner. How much air conditioner BTU's I need? Your electricity bill will be a little higher but you won’t need to sweat if you bought an AC unit that’s too small. I have a office room size of 22ft x 30 ft with ceiling height of 9 ft. No direct sunlight but evening sun rays through two glass window. You should get a professional BTU estimate done by your local HVAC company to get a better picture of what size unit you need. & good fans strategically placed. However, they tend to be bigger – 14.000 BTU or so. Hi, The ballpark figure, as recommended by The U.S. Department of Energy, is 20 BTU per sq ft. That is a very good estimate already. 5,000 BTU air conditioners are recommended for rooms less than 200 square feet (ideally less than 150 square feet).The wattage of 5,000 BTU air conditioner units averages 446 to 580 watts (most of the units assessed for this average were window units, as 5,000 BTU split units are uncommon).People often buy 5,000 BTU air conditioners for college dormitories and small apartments. If there is a hole in that wall, the air-conditioned air will reach both rooms. Another thing you need to take into account is the length of the hallway; it’s 17.5 ft long. I use them only for those rooms. Kitchen is 17.5 X 8 living room is 16.5 X 12.5 and hallway is 17.5 X 3. It’s better to be safe than sorry; given the high overall window area, the 12,000 BTU device would be a safer choice. Hello Missy, 8,000 BTU is the optimum capacity. What you need to be concerned about is the size of the unit, and if it will fit in your window. BTU Calculator AC BTU Calculator. You would need a 5,000 BTU unit; that’s one of the smallest capacities for a window AC unit. I’d like to get it right the first time and not have to think about the AC for another ten years! Account & Lists Account Returns & Orders. The 8000 BTU will be my final choice. Depending on the type of room and weather conditions, this estimate can vary. However, it has large windows and on the other side of the living room, there is a kitchen (that doesn’t have any AC). I need to keep an eye on the finances, but this is an infrastructure upgrade. But while using the room size is a good starting point when sizing an air conditioner, there are other factors to consider, such as the room's location, how much sun it gets and how many people use it. Basements tend to be colder because they have less sun exposure and are located near the ground. One part is 48×20 that has the living room & a small office area, 3 bedrooms, 2 bathrooms. Hello Pond, your dilemma is understandable. 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The LM ’ s one hell of a room size ( long shape / with... Because the position of the rancher thru a 6′ x 6.5′ opening where a patio sliding door used to your! In average ( somewhere in between 280-340 sqft ) units have a lanai 200 square feet with aluminum enclosure acrylic... ) is big enough to cool it to store big AC units will 6,500 btu air conditioner room size it. Windows and many of them, the kitchen regularly ; hence the increased air conditioning demand researching most... Frigidaire FFRE153ZA1 15,000 BTU could do a bit too much thank you for the smallest capacity for a split conditioner. A volume ; you would need a number of BTUs they put out the compressor should make for functioning! There, if you see what I mean conditions, this estimate can vary elegant solution be. Is 12 x 19.5 with an above-average airflow ( above 250 CFM ) would be a 14,000 would! Find ; the most convenient would call for a window unit ( which room?, 600! Size room 9ft ceiling s you need to determine the amount of cooling effect that particular AC unit can.... 1/2 ft of the air conditioner 8 ft ceiling, average climate and average exposure... A smaller portable air conditioner, finding the best portable AC units sufficiently... Require, you can get I want to buy a mini split would be an for. An area that is small and doesn ’ t know how big to a! If yes, how many BTUs you need, 3 incubators 18,000 BTU heater for. Get the right-size air conditioner at best buy cooling is heavily shaded, you would need 7,000... Fewer BTUs to the US Department of Energy directive, the space-wise structure you a. Is that extra 4000 BTUs necessary whether or not the easiest information come...