Compared across 9 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.
It checks today's price at every store, compares the alternatives and answers in about a minute.
The Keystone 14,000 BTU Portable Air Conditioner with Inverter is a rolling floor unit that cools, dehumidifies and circulates air through three fan speeds. Its inverter compressor is the standout: it varies speed instead of cycling on and off, which usually means steadier room temperature and lower power draw than a fixed-speed portable. It ships with a washable filter, remote, timer and auto-restart, and uses R32 refrigerant. At $599.99 at Best Buy as of November 8, 2026, it sits at the top of its recent range, so it is not a markdown moment.
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Store links may earn us a commission. Some prices via Klarna.
Lowest price we've seen: $599.99 on Nov 8 at The Home Depot. Tracked across 9 stores since Nov 8.
