How do AC inverters work?

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I’ve been meaning to upgrade my AC to an inverter. Is it worth it and how do they work?

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Inverter air conditioners have an AC(Alternating current) inverter in them to adjust the frequency going to the motor.

AC motors run at a multiple of the frequency like 1800, 3600, or 7200 RPM for 60 Hz systems, you set the multiple by how you wind the motor but this also means you only get one speed – fast

Normally your air conditioner works by sensing it’s too warm, closing a switch, sending the compressor to full power to cool the air, then opening the switch once it’s too cold

An inverter air conditioner can adjust the frequency to the compressor motor to make it work more/less. Too cold? Slow it down a bit. Too hot? Speed it up. This keeps the room a much more stable temperature which is nice for people comfort