10 Worst Air Conditioners to Avoid in 2025 (and 5 Most Reliable Alternatives)

1. Coleman

Price: $1,615 — $2,810
Rating: 3/5

Coleman's been around forever, but when it comes to air conditioners, it feels like they're stuck in the past. Customers complain about high energy bills, meh performance, and customer service that pulls a disappearing act when you need them most.

"I spent $15,000 and six years chasing them for help." — Yikes.

Cool name. Not-so-cool execution.