Diy package central ac6/13/2023 Once again, the calculator is the way to find the most accurate information. This central air conditioner amperage chart is based on 16 SEER, the most common AC efficiency. How Many Amps Does an AC Use? Summary Amperage Chart Input SEER, and the EER rating will automatically be calculated. If all you know is the SEER, use the Pick HVAC EER to SEER Calculator to find EER. You’ll need to know the EER, not the SEER, for your AC. Most central air conditioners and heat pumps are 230 volts, though they can be run on 208 volts, which will increase the amps it draws by about 10%.Įnter the voltage of your AC or heat pump.ĭid you know? Pick HVAC has also developed a BTU to Watts Calculator if you’re interested in how many watts your unit uses. Once again, this information is found in the literature or on the label on the outside of the condensing unit jacket. You can also search the brand and model number to find its SEER rating. It can be found in the same locations the capacity in tons is found – on the unit or in literature given you when it was installed. Step 2: Efficiency – SEERĬentral AC and heat pump cooling efficiency is rated in SEER – seasonal energy efficiency ratio.Įnter your AC or heat pump efficiency. On the label on the side or back of the AC or heat pump condensing unit. For example, if the sheet lists the unit as 36,000 BTU, then divide the number by 12,000 to get 3 tons.Ģ). If written in BTUs, divide the number by 12,000, since 1 ton = 12,000 BTU. Options for heat pumps and central air conditioner sizes are: 1.5, 2.0, 2.5, 3.0, 3.5, 4.0 and 5.0 tons. The number of tons might be written plainly. It will include Model Number, Serial Number and other information. The information might be handwritten or typed. Your Owner’s Manual should contain a page or insert that has the specifics of your condensing unit – either your air conditioner or heat pump. There are two easy places to find how many tons your AC is.ġ). Where do I find AC tons? How many tons is my AC? If you know the capacity in tons for your AC or heat pump, you can skip down to step 2. Air conditioner amps per ton rises when efficiency is lower it goes down when efficiency increases. One ton equals 12,000 BTU.Įnter the number of tons in the first box.Īmps per ton: If you work through the range of options, you’ll see that air conditioner amps per ton are about 4 amps for a 16 SEER unit. Step 1: Air Conditioner Capacity in TonsĬentral air conditioners continue to be listed in tons. A 2 ton 20 SEER AC draws only 6.59 amps while an inefficient 8 SEER AC uses 16.48 amps. Your answer will be calculated.Ī 2 ton 16 SEER AC draws 8.24 amps. Type the Efficiency in that SEER box and the voltage in the Volt (V) box.
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