Frigidaire FRA054XT7 (5,000 BTU)

1. ConsumerReports.org

The Frigidaire FRA054XT7 is one of 43 window air conditioners tested by ConsumerReports.org. Editors judge each model's cooling ability, airflow, noise, ease of use and ability to restart after a power outage.

Review: Air Conditioners Ratings, Editors of ConsumerReports.org

2. Walmart.com

The Frigidaire FRA054XT7 is a favorite window air conditioner at Walmart.com, where 96 percent of the nearly 70 owners posting reviews say they'd recommend it to a friend. It gets high marks for its low price, effective cooling and energy-saving features. However, a few say the unit didn't work well for them, and some find it noisy.

Review: Frigidaire 5,000-BTU Energy Star Window Air Conditioner with Remote, Contributors to Walmart.com, As of April 2012

3. Amazon.com

About 35 users offer mostly good opinions of the Frigidaire FRA054XT7. Positive reviews note that it's quiet and easy to install, while critics say that different parts of the unit didn't work after only a short time.

Review: Frigidaire FRA054XT7 5,000 BTU Window-Mounted Mini Room Air Conditioner, Contributors to Amazon.com, As of April 2012

4. BestBuy.com

The Frigidaire FRA054XT7 earns 3.7 out of 5 stars with about 40 reviews posted. Several users say it doesn't cool the space it's designed to, with one noting that his small room actually ended up hotter. However, more than half of the reviews praise the unit's ability to cool a small room. Some find it to be quiet; others say it's loud.

Review: Frigidaire - 5,000 BTU Air Conditioner, Contributors to BestBuy.com, As of April 2012