Best window air conditioner for a large room: Friedrich Kuhl KCM18A30A (20,000 BTU) Designed to cool larger spaces -- up to 1,000 square feet -- this is one of the more powerful window air ...

Predicted brand reliability scores are based on the likelihood of newly purchased window air conditioners experiencing a problem, adjusted for extended warranty or service contract status and ...

Predicted brand reliability scores are based on the likelihood of newly purchased window air conditioners experiencing a problem, adjusted for extended warranty or service contract status and ...

The Friedrich is a dual-hose portable air ... The least energy-efficient window air conditioner I tested still uses less power than the most efficient portable unit. Air quality: Before and ...