7 Best Air Conditioner Consumer Reports 2019 – Top Rated

When the weather heats up, thoughts turn to chill out. If central air conditioning isn’t an option, room air conditioners can be an inexpensive and energy-efficient alternative for cooling one or two rooms.

If you’re ready to beat the heat, you aren’t alone: More than 8 million room air conditioners were shipped for sale in 2017. The typical household spends 13 percent of its annual utility bill on cooling, according to Energy Star. So it’s important to choose the right unit. An air conditioner that’s too small will struggle to cool a room. One that’s too big cools so quickly that it doesn’t have time to remove enough moisture, leaving you with a cold, clammy space.

Top 7 Air Conditioner

SaleBestseller No. 1
BLACK + DECKER BPACT08WT Portable Air Conditioner, 8,000 BTU
252 Reviews
BLACK + DECKER BPACT08WT Portable Air Conditioner, 8,000 BTU
  • COOL AS A CUCUMBER: Keeps a room, home, bedroom, apartment, dorm or garage that is...
  • DESIGN ENGINEERING: Vertical motion creates a steady and powerful airflow that provides...
Bestseller No. 2
Frigidaire 5,000 BTU 115V Window-Mounted Mini-Compact Air Conditioner w/ Mechanical Controls, FFRA0511Q1
380 Reviews
Frigidaire 5,000 BTU 115V Window-Mounted Mini-Compact Air Conditioner w/ Mechanical Controls, FFRA0511Q1
  • 5, 000 btu mini-compact air conditioner for window installation has extra long 6.5 ft....
  • Pleated quick-mount window-mounting kit included - minimum window height: 13; window width...
Bestseller No. 3
Frigidaire FFRA0511R1 5, 000 BTU 115V Window-Mounted Mini-Compact Air Conditioner with Mechanical Controls
2661 Reviews
Frigidaire FFRA0511R1 5, 000 BTU 115V Window-Mounted Mini-Compact Air Conditioner with Mechanical Controls
  • 5,000 BTU mini-compact air conditioner for window-mounted installation uses standard 115V...
  • Quickly cools a room up to 150 sq. ft. with dehumidification up to 1.1 pints per hour
SaleBestseller No. 4
LG Energy Star Window Air Conditioner
1571 Reviews
LG Energy Star Window Air Conditioner
  • 6,000 BTU air conditioner for window mounted installation
  • Cools a room up to 260 sq. Ft
SaleBestseller No. 5
Honeywell Portable Air Conditioner for Rooms Up to 450 Sq. Ft with Remote Control, 10000 BTU
135 Reviews
Honeywell Portable Air Conditioner for Rooms Up to 450 Sq. Ft with Remote Control, 10000 BTU
  • Stylish, powerful & dependable - cools rooms 350- 450 sq. Ft. Thermal overload protection...
  • Dual filters designed to protect from dust & hair to extend product life & performance....
Bestseller No. 6
hOmeLabs 5000 BTU Window Mounted Air Conditioner - 7-Speed Window AC Unit Small Quiet Mechanical Controls 2 Cool and Fan Settings with Installation Kit Leaf Guards Washable Filter - Indoor Room AC
612 Reviews
hOmeLabs 5000 BTU Window Mounted Air Conditioner - 7-Speed Window AC Unit Small Quiet Mechanical Controls 2 Cool and Fan Settings with Installation Kit Leaf Guards Washable Filter - Indoor Room AC
  • COLD WINDOW AC for SMALL HOT ROOM - Heavy duty window-mounted air conditioner with 5000...
  • WITH AIR CONDITIONER MOUNTING KIT - Electric window AC system comes with filter, support...
Bestseller No. 7
MIDEA MAW06R1BWT Window Air Conditioner 6000 BTU Easycool AC (Cooling, Dehumidifier and Fan Functions) for Rooms up to 250 Sq, ft. with Remote Control, 6,000, White
12 Reviews
MIDEA MAW06R1BWT Window Air Conditioner 6000 BTU Easycool AC (Cooling, Dehumidifier and Fan Functions) for Rooms up to 250 Sq, ft. with Remote Control, 6,000, White
  • 3-IN-1 FUNCTIONALITY - Midea's 3-in-1 technology combines air conditioning,...
  • FAST COOLING - This 6,000 BTU model provides fast and efficient cooling and...

How We Test Room ACs

At Consumer Reports we test room air conditioners in a special climate-controlled chamber. We test three sizes of window ACs—small, medium, and large—and adjust the size of the chamber to the room size appropriate for each air conditioner. We crank the temperature in the chamber up to 90° F, then measure how long it takes the AC to lower the temperature by 15° F. We also gauge how well the AC holds the set temperature. And because noisy air conditioners can be annoying, we measure how loud each unit is on the lowest and highest settings.

Things to Consider

Look for Energy Misers
New Energy Star room air conditioners come with better insulating materials and clearer instructions that help ensure you get a good seal around the unit, minimizing leaks.

Note the Noise
Models that scored Excellent or Very Good in our noise tests are so quiet that the only sound you might hear is the fan running. Air conditioners that scored Fair for noise could disturb light sleepers when set on low and are distracting to all when set on high.

Factor In the Window Location
Window air conditioners generally do a better job blowing air in one direction. That can be a problem if your window isn’t centered on the wall. To uniformly cool a room, you’ll need to direct air to its center, so check to see whether your AC needs to blow air to the right or to the left. Some have fan arms that swivel.

Install It Correctly
To get the most from your window air conditioner it must be properly installed. Most units are intended for double-hung windows. If you have casement windows, you may want to consider buying a through-the-wall air conditioner. Make sure your window unit is level so that it drains correctly. And move any heat-generating devices such as a TV or lamp away from the unit.

Check Filter Location
Make sure you can easily access the filter for cleaning, something you’ll be doing frequently to keep the unit in tip-top condition.

Consider Intelligent Cooling
Some air conditioners have gotten smarter, allowing you to control and adjust them from your smartphone. You may even be able to interconnect them to other cooling units in your home.

Watch the Warranty
Some air conditioners have longer warranties than others. When you’re buying a new unit, check the manufacturer’s website for information, and ask the retailer about the warranty for the brand and model you’re considering buying.

Sizing Up Your Options

Before you consider price and features, start by determining the size of unit you need for the space you want to cool, as well as where you’ll place the unit. The window air conditioners in our tests have cooling capacities ranging from 5,000 to 12,500 British thermal units (Btu).

To measure your room, multiply the length of the room by the width. But don’t buy by Btu alone. Energy Star recommends that you make allowances for other considerations—such as the height of your ceiling, where the unit will be placed, and the size of your windows and doorways. In addition:
• If the room is heavily shaded, reduce capacity by 10 percent.
• If the room is extra sunny, increase capacity by 10 percent.
• If more than two people regularly occupy the room, add 600 Btu for each additional person.
• If the unit is used in a kitchen, increase capacity by 4,000 Btu.

Which Model Is Right for You?

Some small window units cost less than $200, which makes them a tempting proposition—but only if you need to cool a very small space. If you need to cool a larger area, you’ll want to focus your search on units that better match your square footage.

Almost all the window units we tested meet the latest Energy Star standards, which require them to be at least 10 percent more efficient than units without that certification. Standout models have a quiet operation and convenient controls, and they work under brownout conditions. Check our air conditioner ratings to see to how they stacked up.

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