How Croma ACs are made

The summer months are here, and it’s the season for mangoes air conditioners. This appliance that is often neglected through the year, suddenly finds itself almost worshipped for bringing us respite from the searing heat.

While you bring out a new set of batteries for the AC remote and register a service request for the appliance, have you ever wondered how an AC is made? There’s a lot that goes behind the scenes before the appliance is ready to come home with you. We recently visited a factory to see a Croma 1.5-ton split AC built from scratch, and here’s what we saw.

Building the indoor unit

The process starts with the outer body mold being printed and then taken to the assembly line, where the rest of the parts are put in place. From the fins, blowers to copper tubes and the PCB – brain of the AC that controls all the functions – everything are attached in a meticulous manner on the assembly line. At any time around 400 workers are present on the line performing different tasks.

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Once the tubes are placed, they are made leak-proof via a process called brazing. This seal is then put through various tests to ensure there is no leakage whatsoever. Next, the plastic body is attached along with the filters, and this is where you’ll notice the indoor unit of the AC coming to life. Before it is packed, the relevant branding and stickers (denoting star ratings) are stuck on the body, and the indoor unit goes through one last round of tests.

Building the outdoor unit

While this is going on, the outdoor unit too is coming to shape in another part of the factory. The process starts with metal sheets being cut into shape. These sheets are then sent for powder coating, which basically protects it from dust, rain, and other environmental effects. The plastic fan, molded in a printer, too gets ready and sent to the assembly line.

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The assembly process starts with the compressor – the heart of the AC – being fit in the outdoor unit. Next up, you will see other parts like the copper tubes and the fan being attached. There’s also a cloth jacket wrapped around the compressor, which reduces the noise and vibrations. Again, before getting packed, the outdoor unit is put through a bunch of last-minute tests to check if everything works as they should.

The Croma split AC is finally ready to be shipped to the stores, and from there, to your homes. What do you think of this behind the scenes look at an AC being built from scratch? Let us know in the comments section below.