Portable and window ACs · Best for bedrooms

Windmill Air Conditioner

85
Highly rated
Average of 11 professional reviews
11 of 11 recommend it · critics agree
Where the 11 reviews landedRange 80–92
Score printed by the outlet Estimated from the verdict

Exact average 85.2 · 1 printed, 10 estimated

Windmill Air ConditionerImage: Windmill

11 professional reviewers tested the Windmill Air Conditioner, and 11 recommend it. Most praised: quiet and ease of use. Most common complaint: price.

Reviewed by WIRED, CNET, Popular Science and 8 more

The catch: It costs more than comparable window units.

10 of these 11 outlets print no score. We estimated theirs from the review text, then adjusted the estimates against the ratings outlets actually print (ours ran slightly low). An estimate is never higher than 92.

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What 11 critics said

Highest score first · all converted to 0–100
  1. 80
    WIREDHands-on review

    A good-looking, reasonably priced, easy-to-install window AC that cools a small room well and runs with upward airflow.

    Read WIRED review
  2. 92est.
    CNETNo printed score · Hands-on review

    In CNET's lab tests the Windmill was the best-performing unit across window and portable categories, winning both an Editors' Choice and a Lab Award.

    Read CNET review
  3. 89est.
    Popular ScienceNo printed score · Hands-on review

    After weeks of use the reviewer found this window unit remarkably quiet, simple to set up and effective at cooling a bedroom.

    Read Popular Science review
  4. 89est.
    Good HousekeepingNo printed score · Hands-on review

    After long lab and home testing, the reviewer calls it one of the best-performing and most stylish window ACs, with quiet inverter cooling and easy installation.

    Read Good Housekeeping review
  5. 89est.
    Architectural DigestNo printed score · Hands-on review

    The reviewer tested the first-run Windmill for a month and would happily recommend it for its quiet running, design and easy install.

    Read Architectural Digest review
  6. 83est.
    Tom's GuideNo printed score · Hands-on review

    A stylish, easy-to-install smart window AC that cools well and runs quietly thanks to its inverter.

    Read Tom's Guide review
  7. 83est.
    Gear PatrolNo printed score · Hands-on review · 2023

    A quiet, powerful and attractive smart window AC with useful app automation and easy install, recommended if you can accept the cost.

    Read Gear Patrol review
  8. 83est.
    Popular MechanicsNo printed score · Buying guide

    Named best for bedrooms thanks to quiet inverter operation, strong efficiency and a good app.

    Read Popular Mechanics review
  9. 83est.
    Bob VilaNo printed score · Buying guide

    Named the quiet pick in a tested roundup, it earns good marks for noise, looks and smart features.

    Read Bob Vila review
  10. 83est.
    The StrategistNo printed score · Buying guide · 2026

    Picked as the quietest window AC and the easiest of the tested units to install, with good customer service.

    Read The Strategist review
  11. 83est.
    Business InsiderNo printed score · Buying guide · 2026

    Named the most attractive pick, it installs in minutes and looks good, but noise and efficiency are only average and airflow direction cannot be changed.

    Read Business Insider review

"Est." means the outlet printed no score, so we estimated one from its verdict and checked our estimates against ratings outlets print. How we check estimates

What critics praise most

Quiet9 of 11
Ease of use8 of 11
Design8 of 11

What critics dislike most

Price5 of 11
App and setup3 of 11
Noise2 of 11

Also reviewed, not yet scored

Common questions

Is the Windmill Air Conditioner worth it?

Most critics think so: 11 of 11 recommend it. It costs more than comparable window units.

Do critics agree about the Windmill Air Conditioner?

Critics agree: scores range from 80 (WIRED) to 92 (CNET), a spread of 12 points across 11 reviews. Reviewers broadly agree.

What do critics dislike about the Windmill Air Conditioner?

Price (5 of 11 reviews), App and setup (3 of 11 reviews), Noise (2 of 11 reviews).