Choose a Whirlpool window air conditioner by matching its capacity to the room, then checking the exact model’s window fit, electrical requirements, and support instructions. ENERGY STAR’s room-size chart is a starting point, not a model-specific promise; Whirlpool says room air conditioners are not designed to cool multiple rooms.
Current model rankings, purchase prices, and power draw were not established by the available research. Before buying, verify the exact model number, current listing and price, capacity, and electrical ratings on the product listing or unit label.
How to choose a Whirlpool window AC
- Measure the room. Measure its length and width and use the resulting area as a starting point for capacity selection. Include only the space the AC is intended to serve.
- Adjust for room conditions. ENERGY STAR’s general guidance assumes an 8-foot ceiling. It recommends reducing capacity by 10% for heavy shade, increasing it by 10% for a very sunny room, adding 600 BTU/h for each regular occupant above two, and adding 4,000 BTU/h for a kitchen. These are general sizing adjustments, not Whirlpool model specifications.
- Check the exact model’s fit and electrical requirements. Compare the window opening, outlet location, and model nameplate with that model’s manual before purchase.
- Compare verified model information. Check the current price, capacity, electrical rating, and any claimed efficiency or connected features on the exact listing or unit label. Whirlpool support advises checking the AC’s capacity and EER ratings.
Room area and starting capacity
The following room-area recommendations come from ENERGY STAR (U.S. EPA). Its page does not state a publication year. Use the chart as general guidance, then account for room conditions and the exact unit’s specifications.
| Room area | Starting capacity |
|---|---|
| 100–150 sq. ft. | 5,000 BTU/h |
| 150–250 sq. ft. | 6,000 BTU/h |
| 250–300 sq. ft. | 7,000 BTU/h |
| 300–350 sq. ft. | 8,000 BTU/h |
| 350–400 sq. ft. | 9,000 BTU/h |
| 400–450 sq. ft. | 10,000 BTU/h |
| 450–550 sq. ft. | 12,000 BTU/h |
| 550–700 sq. ft. | 14,000 BTU/h |
| 700–1,000 sq. ft. | 18,000 BTU/h |
| 1,000–1,200 sq. ft. | 21,000 BTU/h |
| 1,200–1,400 sq. ft. | 23,000 BTU/h |
| 1,400–1,500 sq. ft. | 24,000 BTU/h |
| 1,500–2,000 sq. ft. | 30,000 BTU/h |
| 2,000–2,500 sq. ft. | 34,000 BTU/h |
An oversized unit may cool a room before removing enough humidity, leaving it cool but clammy, according to ENERGY STAR. Do not assume that a unit selected for one room will cool a connected kitchen, hallway, or other rooms as well. Whirlpool Product Help states that room air conditioners are not designed to cool multiple rooms.
#1 Best Overall
- Powerful Cooling Capacity: The Whirlpool 15,000 BTU window air conditioner is powerful enough to cool rooms up to 700 square feet with 3.5 pints per hour of dehumidification; Perfect for cooling your apartment, bedroom, living room or any environment
- Functionality: Electronic control panel with digital display and 3 cooling speeds, eco mode, sleep mode, and programmable 24 hour on/off timer with 8-way directional air louvers; Remote control included for easy control
- Easy to Install: This window unit ac comes with a quick and effective window mounting kit that allows for easy installation in windows with a minimum window height of 19"
- Replaceable Filter: Clean Alert indicates when air filters should be replaced or removed and washed for convenient maintenance
- Auto Restart: After a power failure, the window ac unit automatically restarts when power is restored
Check the window opening and installation requirements
Whirlpool owner’s manual W11553897 Rev A covers particular 6,000–12,000 BTU model classes. Its dimensions are not universal; consult the manual for the exact model you plan to buy.
| Capacity class covered by the manual | Window width | Minimum opening height |
|---|---|---|
| 6,000–8,000 BTU | 23–36 in. (58.4–91.4 cm) | 14½ in. (36.8 cm) |
| 10,000–12,000 BTU | 26–36 in. (66–91.4 cm) | 16 in. (40.6 cm) |
For the models covered by that manual, Whirlpool specifies a grounded outlet within 6 ft (183 cm) of where the cord exits, prohibits using an extension cord, calls for adequate support, and says the cabinet louvers must remain unobstructed. Verify the instructions and supplied parts for your exact unit before buying hardware or starting work.
Compare cost, power, and features by exact model
The research does not establish current Whirlpool model prices or model-by-model electrical input figures. Do not rely on a general price range or an assumed operating cost as if it applies to a specific unit. For a useful comparison, record verified details for each candidate model.
| What to compare | Where to verify it |
|---|---|
| Model number and capacity | Current product listing and unit label |
| Price and availability | Current retailer listing |
| Electrical rating and power information | Unit nameplate and exact model documentation |
| Window-opening dimensions and support instructions | Exact model’s owner’s or installation manual |
| EER and other claimed efficiency information | Unit label and current model listing |
| Certification or connected features | Verify on the exact model’s current listing |
ENERGY STAR’s room-sizing guidance and general discussion of connected features do not establish that a particular Whirlpool model has a specific certification or feature. Confirm any such claim against the exact current listing.
Free tools Windows power users keep installed
One-click scans. No signup required.
Rank #2
- Powerful Cooling Capacity: The Whirlpool 12,000 BTU window air conditioner is powerful enough to cool rooms up to 550 square feet with 2.6 pints per hour of dehumidification; This window ac is perfect for your apartment, bedroom, or living room
- Functionality: Electronic control panel with digital display and 3 cooling speeds, eco mode, sleep mode, and programmable 24 hour on/off timer with 8-way directional air louvers; Features multiple settings to keep you cool
- Easy to Install: This window unit ac comes with a quick and effective window mounting kit that allows for easy installation in windows with a minimum window height of 16"
- Replaceable Filter: Clean Alert indicates when air filters should be replaced or removed and washed for convenient maintenance
- Remote Control: Remote control included for easy control; Select settings from across the room for maximum comfort and relaxation
Plan a safe installation
- Read the exact model’s instructions. Confirm opening dimensions, parts, electrical requirements, and support requirements before lifting the unit.
- Check the window and outlet. Make sure the opening matches the manual and the specified grounded outlet is within the permitted cord reach. Do not use an extension cord where the manual prohibits it.
- Arrange adequate support. Follow the model’s installation instructions and local requirements. Check that the sill and surrounding structure are sound enough to support the installation.
- Keep airflow clear. Do not obstruct the cabinet louvers. Follow the manual’s instructions for the finished installation.
- Get help lifting when needed. The older Whirlpool instruction document found in this research says more than one person is required to move, lift, and safely install the unit it covers. Check the instructions for your model; do not assume an older wide-window kit fits a current unit.
A tape measure, level, screwdrivers, drill, and wrench or pliers are among the tools listed in the Whirlpool manual for the models it covers. Check the exact model’s supplied-parts list and instructions before purchasing tools or accessories.
When to get professional help
Consider professional help if the window or surrounding material is damaged, the unit cannot be lifted and supported safely, the electrical setup does not match the unit’s requirements, or the installation instructions cannot be followed as written. Check local rules and building requirements as well, especially in rental or multifamily housing.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Frequently Asked Questions
What size Whirlpool window AC do I need?
Measure the area the unit will serve and use ENERGY STAR’s room-size chart as a starting point. Adjust for shade, sun, occupants, and kitchen heat using its general guidance, and check the exact unit’s capacity. Whirlpool says room air conditioners are not designed to cool multiple rooms.
Will one window AC cool multiple rooms?
Do not count on it. Whirlpool Product Help says room air conditioners are not designed to cool multiple rooms; select a unit for the room it serves.
What’s actually slowing this PC down?
Pick the symptom - the matching free tool is one click away.
Rank #3
- Powerful Cooling: The 5,000 BTU window air conditioner is powerful enough to cool rooms up to 150 square feet with 1.1 pints per hour of dehumidification
- Easy Installation: Comes with a quick and effective window mounting kit that allows for easy installation in windows with minimum window height of 14.5"
- Fan Speeds: Mechanical rotary controls with 2 fan speeds, low and high, along with 8-way directional air louvers to give multiple options for comfort
- Replaceable Filter: Clean Alert indicates when air filters should be replaced or removed and washed for convenient maintenance
- Auto Restart: After a power failure, the unit automatically restarts when power is restored
How do I know if a Whirlpool AC will fit my window?
Check the installation manual for the exact model and measure the opening. Whirlpool manual W11553897 Rev A lists different opening dimensions for the 6,000–8,000 BTU and 10,000–12,000 BTU classes it covers; those dimensions should not be assumed to apply to other models.
Can I use an extension cord with a Whirlpool window AC?
The Whirlpool manual found in this research prohibits an extension cord for the models it covers and calls for a grounded outlet within 6 ft of where the cord exits. Check the exact model’s manual and follow its electrical instructions.
How can I compare Whirlpool AC energy use?
Compare the exact model’s verified electrical and efficiency information rather than assuming all units of a given capacity use the same power. Whirlpool Product Help points readers to the EER and capacity ratings marked on the unit; confirm specifications on the unit label or current product listing.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
Do these 3 things before closing this tab:
1Clear out junk files and repair common Windows errors2Scan for outdated or missing drivers - takes under a minute3Repair Windows errors before they cause bigger problems
