![]() There is also a difference if you live in Texas or New York. Obviously, if you have a tall ceiling (older buildings have +10 ft ceilings), you have to add a bit of cooling power in BTU. The BTU calculator and chart work best for standard room height. However, to get a perfectly-sized air conditioner with just right enough cooling power and no energy overspending, you should consider some additional factors. The simplest BTU calculation formula for an air conditioner looks like this: Department of Energy, the ballpark figure is 20 BTU per sq ft. Perfect BTU Air Conditioner For Room SizesĪs recommended by The U.S. If, for example, you buy a 14,000 BTU portable air conditioner to cool down a 12×12 room, you will have a chill cold room and more than $100/year unnecessary cost on your electricity bill. Based on that, you can calculate sq ft to BTU and immediately know what range of BTU values your perfect AC unit should be. Here is a table with rough room size estimates for air conditioners with different cooling capacities to help you out:Įxample: How many BTU do you need for a 20×20 room? For a 20×20 room, you need about 10,000 BTU of cooling output.Īgain, when narrowing down your choice of an air conditioner, knowing how big an area you need to cool is your best friend. Equally, 1 ton AC room size is about 600 sq ft. Question: What is the 12,000 BTU air conditioner room size? 12,000 BTU is equal to 1 ton we’re talking about 1 ton AC room size.Īnswer: Using the EPA’s 20 BTU per sq ft rule of thumb, the room size of 12,000 BTU air conditioners is 600 sq ft. To better illustrate what size of an air conditioner you need, let’s have a look at a BTU chart: Air Conditioner BTU Chart With 12,000 BTU (1 Ton) Room Size Example 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. Example: When you use the BTU calculator below and get, let’s say, 10,000 BTU for a 500 sq ft area, start looking for a 12,000 BTU air conditioner. Pro tip: Always buy a little bigger AC unit than this recommendation. You can install an average-sized 10,000 BTU portable air conditioner, which will save you tons of money. That means that for a small apartment, you don’t need expensive central air conditioning. According to Go Downsize, the average size of studio apartments in the US is about 500 sq ft. The trendy portable air conditioners, for example, have a cooling capacity of 6,000 BTU to 14,000 BTU. The best you can do here is to buy a small 5,000 BTU window or a small 8,000 BTU portable AC unit (more about the smallest AC units here). According to the US Department of Energy directive, an air conditioner’s most appropriate size would be 2,880 BTU unit. Obviously, the problem arises when you have a tiny 12×12 room, for example. If you want to properly cool down a 300 square foot area (or room), you need a 6,000 BTU air conditioner. Roughly measure the square footage to adequately size your air conditioner. “…an air conditioner generally needs 20 BTU for each square foot of living space.”īased on room size, ceiling height, and other conditions, you can calculate how many BTU air conditioner you need: Air Conditioner BTU CalculatorĪs you can see, the sq ft to BTU converter neatly gives you an idea of what size of air conditioners you should be looking at in an ‘sq ft to BTU’ kind of way. Department Of Energy recommendation for the size of room air conditioners: The BTU needed to cool down a room of known footage that can be calculated. You don’t want to get hot in the summer because you bought a 6,000 BTU portable air conditioner for a 1,000 sq ft apartment. Obviously, you don’t want a 14,000 BTU window air conditioner for a small 12×12 room because it unnecessarily boosts your energy bill. How many BTUs do you need to cool down certain square footage of space properly? ![]() In short, you would need a 10,000 BTU air conditioner. 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 with 4,000-24,000 BTU room size table): Here is an example of how you can calculate how many BTUs you need to cool down a 500 sq. The bigger the BTU, the more cooling effect an AC unit can provide. What is BTU is an AC unit? Simply put, it’s the capacity or power of the AC. It denotes the size of your air conditioner.īTU meaning: British Thermal Unit or BTU/h is a unit that determines the cooling/heating power of an HVAC device (air conditioner, furnace, etc.). The most important metric is the cooling capacity (measured in BTU/hr). You have different EER and SEER ratings, power, amperage, voltage, and so on. There are several metrics you should consider before buying an air conditioner.
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