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10 bestCostco Window Air Conditionerof December 2025

112M consumers helped this year.

1

Danby DAC145EB6WDB-6 14,500 BTU Window AC in White with WIFI and Wireless Connect & Frost King AC41WA Heavy Duty Air Conditioner Weather Seal 1-1/2 x 1/2 x 40", White

Danby DAC145EB6WDB-6 14,500 BTU Window AC in White with WIFI and Wireless Connect & Frost King AC41WA Heavy Duty Air Conditioner Weather Seal 1-1/2 x 1/2 x 40", White

Danby DAC145EB6WDB-6 14,500 BTU Window AC in White with WIFI and Wireless Connect & Frost King AC41WA Heavy Duty Air Conditioner Weather Seal 1-1/2 x 1/2 x 40", White

Danby

9.9

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2

Frigidaire FFRE103WA1 10,000 BTU Window-Mounted Room Air Conditioner, 115V, White

Frigidaire FFRE103WA1 10,000 BTU Window-Mounted Room Air Conditioner, 115V, White

Frigidaire FFRE103WA1 10,000 BTU Window-Mounted Room Air Conditioner, 115V, White

Frigidaire

9.8

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3

Frigidaire FHWW124WD1 Window Air Conditioner, 12000 BTU, White

Frigidaire FHWW124WD1 Window Air Conditioner, 12000 BTU, White

Frigidaire FHWW124WD1 Window Air Conditioner, 12000 BTU, White

Frigidaire

9.6

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4

COSTWAY Portable Air Conditioner, 8000BTU Air Cooler with Drying, Fan, Sleep Mode, 2 Speeds, 24H Timer Function, Remote Control, Cools Room up to 230 Sq. ft, Air Cooling Fan for Home & Office Use, Window Kit Included(8000BTU-Dark Blue)

COSTWAY Portable Air Conditioner, 8000BTU Air Cooler with Drying, Fan, Sleep Mode, 2 Speeds, 24H Timer Function, Remote Control, Cools Room up to 230 Sq. ft, Air Cooling Fan for Home & Office Use, Window Kit Included(8000BTU-Dark Blue)

COSTWAY Portable Air Conditioner, 8000BTU Air Cooler with Drying, Fan, Sleep Mode, 2 Speeds, 24H Timer Function, Remote Control, Cools Room up to 230 Sq. ft, Air Cooling Fan for Home & Office Use, Window Kit Included(8000BTU-Dark Blue)

COSTWAY

9.5

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5

Danby DAC080EB7WDB 8000 BTU Window AC in White

Danby DAC080EB7WDB 8000 BTU Window AC in White

Danby DAC080EB7WDB 8000 BTU Window AC in White

Danby

9.3

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OtherRelated productsUp to 18% off

COSTWAY Portable Air Conditioner, 9000 BTU Portable AC with Built-in Dehumidifier, 24H Timer, Smart Sleep Mode, LED Touch Panel for Cooling Rooms up to 280 Sq.Ft, Remote Control & Window Kit Included

COSTWAY Portable Air Conditioner, 9000 BTU Portable AC with Built-in Dehumidifier, 24H Timer, Smart Sleep Mode, LED Touch Panel for Cooling Rooms up to 280 Sq.Ft, Remote Control & Window Kit Included

Danby DAC120B6WDB-6 12,000 BTU Window Air Conditioner , White

Danby DAC120B6WDB-6 12,000 BTU Window Air Conditioner , White

Danby DAC080EB6WDB 8,000 BTU Energy Star Window Air Conditioner - Programmable Timer, LED Display and Remote Control, Ideal for Rooms up to 350 Square Feet

Danby DAC080EB6WDB 8,000 BTU Energy Star Window Air Conditioner - Programmable Timer, LED Display and Remote Control, Ideal for Rooms up to 350 Square Feet

COSTWAY 6000 BTU Window Air Conditioner, Over the Sill AC with Energy Saver Modes, Handy Remote, Touchable LED Control Panel, up to 250 Sq.Ft. Window AC Unit, Ultra Quiet Operation (White-6000 BTU)

COSTWAY 6000 BTU Window Air Conditioner, Over the Sill AC with Energy Saver Modes, Handy Remote, Touchable LED Control Panel, up to 250 Sq.Ft. Window AC Unit, Ultra Quiet Operation (White-6000 BTU)

8% off

6

Senville 5,000 BTU Window Air Conditioner and Fan, Easy Mechanical Controls, Washable Filters, White

Senville 5,000 BTU Window Air Conditioner and Fan, Easy Mechanical Controls, Washable Filters, White

Senville 5,000 BTU Window Air Conditioner and Fan, Easy Mechanical Controls, Washable Filters, White

Senville

9.1

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7

SereneLife Portable Air Conditioner 14000 BTU - Compact Free Standing Single Duct A/C Unit w/Cooling, Heat, Dehumidifier & Fan, Energy Efficient, 400 Sq.Ft. Cooling, Includes Window Mount Kit, Wheels

SereneLife Portable Air Conditioner 14000 BTU - Compact Free Standing Single Duct A/C Unit w/Cooling, Heat, Dehumidifier & Fan, Energy Efficient, 400 Sq.Ft. Cooling, Includes Window Mount Kit, Wheels

SereneLife Portable Air Conditioner 14000 BTU - Compact Free Standing Single Duct A/C Unit w/Cooling, Heat, Dehumidifier & Fan, Energy Efficient, 400 Sq.Ft. Cooling, Includes Window Mount Kit, Wheels

SereneLife

8.9

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8

Frigidaire FFRA051WAE Window-Mounted Room Air Conditioner, 5,000 BTU with Temperature Control and Easy-to-Clean Washable Filter, in White

Frigidaire FFRA051WAE Window-Mounted Room Air Conditioner, 5,000 BTU with Temperature Control and Easy-to-Clean Washable Filter, in White

Frigidaire FFRA051WAE Window-Mounted Room Air Conditioner, 5,000 BTU with Temperature Control and Easy-to-Clean Washable Filter, in White

Frigidaire

8.7

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14% off

9

COSTWAY 10000 BTU Portable Air Conditioner, with Fan & Dehumidifier Mode, Quiet AC Unit with Sleep Mode, 2 Speeds, 24H Timer, LED Display, Remote Control, Cool Rooms up to 350 Sq.Ft(White-10000BTU)

COSTWAY 10000 BTU Portable Air Conditioner, with Fan & Dehumidifier Mode, Quiet AC Unit with Sleep Mode, 2 Speeds, 24H Timer, LED Display, Remote Control, Cool Rooms up to 350 Sq.Ft(White-10000BTU)

COSTWAY 10000 BTU Portable Air Conditioner, with Fan & Dehumidifier Mode, Quiet AC Unit with Sleep Mode, 2 Speeds, 24H Timer, LED Display, Remote Control, Cool Rooms up to 350 Sq.Ft(White-10000BTU)

COSTWAY

8.4

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10

Danby DAC050MB1WDB 5,000 BTU Window Air Conditioner, 2 Cooling and Fan Settings, Easy to Use Mechanical Rotary Controls, Ideal for Rooms Up to 150 Square Feet

Danby DAC050MB1WDB 5,000 BTU Window Air Conditioner, 2 Cooling and Fan Settings, Easy to Use Mechanical Rotary Controls, Ideal for Rooms Up to 150 Square Feet

Danby DAC050MB1WDB 5,000 BTU Window Air Conditioner, 2 Cooling and Fan Settings, Easy to Use Mechanical Rotary Controls, Ideal for Rooms Up to 150 Square Feet

Danby

8.2

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