# DREO 543S Portable Air Conditioner

![DREO 543S Portable Air Conditioner](https://m.media-amazon.com/images/I/31J6W0MFwWL._SS500_.jpg)

**Best for:** Small bedrooms
**Key advantage:** 11,000 BTU ASHRAE (7,200 DOE) 3-in-1 cooling, fan and dehumidify
**Important limitation:** Single-hose efficiency depends on sealing the window kit.

- Brand: DREO
- Category: Portable AC
- ASIN: B0H7BMR888
- Amazon rating: 4.2 / 5 (1334 reviews)
- Data source: manufacturer / retailer listing
- Product page: <https://www.amazon.com/dp/B0H7BMR888?maas=maas_adg_api_585602613512925350_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBd80bd4ce4ece40f44bcc76fcc0c48425&aa_adgroupid=1709F0YoFvn8WQ063L58iFizKDKVpa2b3GHOYuFXiqmLN1RXz8YT3n9by2hV4_a1UOj3lhrTxeHQ0tffeqQbC&aa_creativeid=4c49c7_agox8Dnfln5YFpaffCTsBTExy8Meqw7K_aH3G3MyZo_c>

_Affiliate link: we may earn a commission at no additional cost to you. Specifications and ratings are manufacturer/retailer figures, not SmartAirGuide measurements._

_Last updated: 2026-09-28_

## Where it fits

This model is listed in the Portable AC category. Read the category page for selection criteria, and the related guide, before deciding.

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