![]() ![]() We have provided a quick and easy guide to estimating a proper-sized air conditioner to fit your needs. On the other hand, an oversized unit can cool a room quickly, but can create a "cold and clammy" feel due to the humidity levels that aren't lowered properly. PLEASE NOTE: the kW capacity of air conditioning systems is predominantly expressed in thermal kWs NOT electrical - they are not the same Heres how much it. An undersized unit will not have the ability to effectively handle the heat in your room, causing the unit to overwork and not perform optimally. It's very important that you select the right sized unit for your home. Conversely, a 2-ton inverter will need around 7 amps. A 2-ton air conditioner with a 230v and 16 SEER rating will use 7.45 amps. Check the yellow Energy Guide labels when you buy a new appliance to compare energy consumption.įor more information, call Hawaiian Electric at (808) 543-7511. Typically, a 1.5-ton air conditioner with 16 SEER and 230v employs 5.59 amps, while 1.5-ton inverters use 4.5 amps. Once you know the power consumption of an air conditioner, you can easily estimate the electricity usage and the electricity cost.BTU is often used as a point of reference for comparing. 1 watt is approximately 3.412 BTU per hour. ![]() 1 BTU 1,055 joules, 252 calories, 0.293 watt-hours, or the energy released by burning one match. It is approximately the energy needed to heat one pound of water by 1 degree Fahrenheit.
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