Air conditioners

Central air conditioner reviews and cost guides, rated against SEER2 and real installed quote ranges.

Outdoor condenser unit of a variable-speed central air conditioner beside a house

Guide Air conditioners

Variable-speed AC: worth the $3,000 premium?

The efficiency argument does not survive contact with a spreadsheet. The comfort argument might, and it depends almost entirely on your climate's humidity.

August 11, 2026