Compared across 10 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 8,000 BTU is a window or through-wall air conditioner that also provides 3,500 BTU of supplemental electric heat, so one unit covers cooling and cool-weather warmth. It runs on standard 115-volt power, fits most single-hung windows or a wall sleeve, and includes a remote, a 24-hour timer, a digital display and a washable filter. It is a basic, mechanical-feel unit with no Wi-Fi or app control, which is where smart rivals pull ahead. Owners like the dual cooling-and-heat function and the simple controls; the main complaints are noise and the heat output being modest rather than room-filling.
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Lowest price we've seen: $429.99 on Nov 10 at The Home Depot. Tracked across 10 stores since Nov 10.
Owners generally find it a solid value for a small room, with cooling that keeps up and the heat function a handy bonus. The recurring complaints are fan noise and heat that warms a small space slowly rather than a whole floor.
