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18 000 BTU aircons

34 products

Compare 34 air conditioners with 18 000 BTU (5.3 kW) cooling from Samsung, Daikin, LG, Alliance and Midea, priced from R9,260. Suits rooms up to about 37 m².

Showing 1–24 of 34

Choosing a 18 000 BTU aircon

A 18 000 BTU air conditioner gives about 5.3 kW of cooling, enough for a room of up to about 37 m² in average conditions. Choose a bigger size if the room gets strong afternoon sun, has a high ceiling or a lot of glass, or is a kitchen. Not sure? Use our aircon size guide.

We stock 34 models from Samsung, Daikin, LG, Alliance and Midea (22 inverter and 6 fixed-speed models), in midwall splits (21), ceiling cassettes (9), ducted & hideaway (3) and underceiling units (1). Every price is shown online: add the units you want to your quote list and we reply with stock, delivery and installation costs.

What size room does a 18 000 BTU aircon cool?

A 18 000 BTU (5.3 kW) unit cools a room of up to about 37 m² with a standard ceiling and some afternoon sun. For a hot, west-facing room, an office full of people or a kitchen, go one size up.

How much does a 18 000 BTU aircon cost in South Africa?

At Aircons Online, 18 000 BTU units currently cost from R9,260 to R40,135 for the indoor and outdoor unit, with inverter models from R11,415. Shipping, delivery and installation are quoted separately.

How much electricity does a 18 000 BTU aircon use?

At full output a 18 000 BTU unit draws roughly 1.6 kW of electricity. An inverter slows down once the room has cooled, so over a day it usually uses much less than that, and less than a fixed-speed unit of the same size. The exact power input is on each model’s specification sheet.

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