![]() ![]() First, a larger unit will almost always cost more, so you’ll spend more money than you really need to. Installing a system that is too large may have even more drawbacks than if it were too small. In addition, because the system will be operating at its maximum all the time, it will likely be prone to wear out more quickly if it is too small than a unit that was properly sized for the space it was intended for.īigger isn’t better! In fact, it could be worse. The last thing you want is to have a mini split system installed that fails to be able to keep you cool or warm when you need it. Your unit may even run continuously, but will not be able to keep you comfortable when the outside temperature is very high or very low. If the system is too small, you will not enjoy the level of comfort you want. Too small = Uncomfortable space and failed equipment. You know what happens if you start wearing a shoe that’s too large or small, but what about installing the wrong size mini split? In the same way, by measuring the length and width of a room or other space in anticipation of purchasing a mini split – that’s sizing. If you were to measure the length and width of your foot before looking for a shoe to fit – that’s sizing. Here is what you should know about mini split sizing before you make your selection. How efficiently your ductless mini split AC/Heating system will cool and heat your home will be largely determined by how well you sized it prior to purchase. What Mini Split Sizing is and Why It’s Important Notice that with each of these charts, if you know the square footage of your room or rooms to be covered, you can find that number on the right side of the chart and find either the BTU or tonnage rating on the left side. Likewise, the 2 ton mini split square cover footage will be seen to be 1,100-1,350 sq ft. To determine the 1 ton mini split square footage that will be efficiently heated or cooled, simply locate 1 ton in the left column and find the answer to be 550-650 sq ft. What’s the 1 ton mini split square footage?ġ,100 to 1,350 square feet. ![]() * The chart is based on average home in a moderate climate In the same manner, you can find that the coverage area of a 42,000 BTU system is 1,900 to 2,300 sq ft.Īlso Read: Best Mini Splits For DIY Mini Split Size Chart – Ton to Square Footageġ – 5 Ton Mini Split Square Footage Mini Split Cooling Capacity If you want to know what the 18000 btu mini split square footage is, for example, just find 18000 BTU in the left column of this BTU coverage chart and you will see that the answer is 820 to 1,000 sq ft. How many square feet for an 18000 BTU mini split – meaning how big of a room or zone will it serve? * Based on average home in a moderate climate Mini Split BTU to Room Size Chart Mini Split Cooling Capacity Look for a metallic label or sticker on the side or back that contains the unit brand, model #, serial #, efficiency rating and capacity in BTUs. Its capacity can usually be found right on the AC. The calculation is instantaneous and accurate. This will work with any size mini split when you enter the BTU rating into the calculator. Simply type 9,000 into this calculator, and it will tell you that a unit this size has a cooling area of 400 to 500 square feet. What’s the 9,000 btu mini split room size? In the Mini Split Cooling Capacity box, enter the heating and cooling capacity of the mini split system to get the results. Insert 12,000 btu into the calculator, and the answer is automatically calculated as 550 to 650 square feet. Example: What’s the 12,000 btu mini split room size? ![]()
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