Top 10 Best Window Air Conditioners Reviews 2018

Summer calls for more preparations. As things start getting hot, one of the items that you may be shopping for is an air conditioner that will keep your room cool so that you don’t spend your summer period disgruntled.

If you’re looking for a window-mounted air conditioner, then we will help you select the best window air conditioner that is of best brand. Our air conditioner review is focused on a system that is energy efficient, affordable, has high cooling capability, warranty, and convenient features that make it better than the rest in the market.

There are window air conditioner brands that are not worth your bucks. Some will serve you for few months before they break down as they’re built of lower quality. This is not what we want for those who rely with our reviews to make informed decision on the type of air conditioner to purchase.

Our engineers and HVAC specialist have reviewed different window air conditioners since 2010. They have used more than 240 hours collecting more than producer designs and specifications for more than 25 models and researching on this vital home improvement subject.

Thus, we have formulated a list of 10 best air conditioner brands that are well built and more energy efficient. But before highlighting on our top 10 pick, it is important to ask yourself this question: what BTU rating do you need for your space?

Quick Tips

For a room that is 150 to 350 sq feet, you will need 5,000 to 8,000 BTU

For room that is 350 to 550 sq ft, you will require 8,000 to 12,000 BTU

For a room that is 550 to 1,050 sq feet, you will require 12,000 to 18,500 BTU

For a space of 1,050 to 1,600 sq feet, you will need 18,500 to 25,000 BTU

10 Best Rated Window Air Conditioner

Frigidaire FRA052XT7 5,000-BTU Mini Window Air Conditioner

Frigidaire FRA052XT7 is the best window air conditioner for small room that measures up to 150 sq. ft.

The window monitor cools a room on summer or any other hot days. It is fairly quiet during its operations and it will not wake you up when you’re asleep.

The unit has a 2-way air directional control that ensures there is a free inflow and outflow of air from the room. It has anti-microbial mesh filter with side out access to clean air ensuring that all harmful bacteria in the air.

The system is also energy efficient as it has a low voltage start-up that conserves energy. It has effortless that resume its operation automatically when power is restored. You can use it in both small office rooms and home.

The 5,000 BTU cooling capacity fits in a window that measures 23-36”. Windows that is smaller than 23” cannot use this unit.

What we loved

Easy to install

Fairly quiet

Anti-bacterial mesh filter type

Energy efficient

2-wy air direction control

Auto-restart features

What we didn’t like

You must use a Plexiglas to prevent rain water from collecting in this unit

Buyer’s Guide

Size of the Room

The size of the room often determines specification of power that will be considered in AC units. You should always first consider the amount of power that will be required to adequately cool your home or office.

Make sure that the AC unit you purchase is of the correct size and do not buy a huge unit that you don’t require or one that is too small to effectively cool your home.

An AC unit with 80 watts is always the best option to place in your bedroom and units that are rated at 125square meters are best for living rooms.

The level of Noise

There are Ac unit that are very noisy when operating and you should avoid buying such since they are very irritating. Such units are not best option if you intend to place in your child’s room since his sleep will be disrupted. You will also be forced to speak loudly when communicating to another person in the house which may be disruptive even to the people living around you. Always consider buying units that produces low noise for your family’s and neighbors’ comfy.

Energy Efficiency

Models that are energy efficient are now available in the market due to technology evolution .When going out to purchase your unit make sure to check its SEER rating to know which one is best. A unit with high SEER rating means that the unit is much efficient. Also make sure that the unit has star logo and is certified as it guarantees its efficiency.


When buying an AC unit always make sure that the manufacturer has given a warranty. This will assure you of its quality and the ability to perform. It should however not dictate on who has to do the installation as this is something you should be able to do on your own.

Installation and maintenance

Seeking an expert’s services in installing the unit is best thing to do if you cannot be able to. With this you will be assured of no disappointment in such services. Regular maintenance of the unit is also recommended for its effective operation.


Why is a window air conditioner is is preferred over a central or freestanding air conditioner?

A window air conditioner is always more cheaper when compared to the central air conditioner which is always more expensive. Another best thing about the window conditioner is that it does not take slot of space on the floor since it is placed at the window.

What is the amount of maintenance required by a window air conditioner?

The air filter may require cleaning or replacement regularly but maintenance required is always little. It is always recommended that you clean the condenser coil and evaporator and use a fin comb to straighten the bent fins for effective functioning.

How noisy are the window air conditioners?

Many models in the market today tend to be less noisy when compared to older ones since manufacturers are more conscious on the amount of noise the units produce as they are concerned about the user’s comfort.

You can also read on the Best Window Air Conditioner for Small Rooms