The quiz already filled these answers: a window unit, a medium room, a slider or casement opening, just-cold, and about $400–600. The card below is the pick that fits that budget: the current Keystone KSTSW08B that actually fits a casement, not a double-hung U you cannot hang, and not a $170 EasyCool. Change the opening to a sash and the winner changes.
A slider or casement is a different opening than a double-hung sash. A sash U will not fit. The $400–600 range is already filled as $600 so a $464 Keystone still fits. A $400 ceiling can miss it.
The pick that fits this budget is the Keystone KSTSW08B. A sash U is the wrong chassis. This page stays on the slider.
If you can spend more, a dual-hose portable can show. That is not the window chassis on this page.
Same medium room, a double-hung sash instead of a slider
Switch to a double-hung sash and the pick becomes the Frigidaire FHWC083, about $220 — a basic sash 8,000-BTU, not the slider chassis on this page.
With those answers, the pick is Frigidaire FHWC083TC1 8,000-BTU Window Air Conditioner. See the sash pick
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