But the best option ... new split system central air conditioner in the U.S. today is 14, which is at least 20 percent more efficient than minimum-efficiency models made even 10 years ago.

Trane’s 12-year compressor and 10-year general parts warranties ... How We Picked the Best Central Air Conditioners When selecting the best central air conditioners, we started by researching ...

To help you find the right unit for your space, we've tested the top options on the market. Here are CNET's picks of the best portable air conditioners for 2025.

Shoppers call the unit "small but powerful", and "best value ... ducted air conditioning and split system air conditioning? Ducted air conditioning moves through ducts from a central cooling ...

He is in charge of developing and carrying out testing procedures for a wide variety of home appliances and smart devices including robot vacuums, smoke/CO detectors and air conditioning units.