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6 Things to Know Before You Buy a Window Air Conditioner

Top 5 Best Window Air Conditioner 2021

If you live in a place that experiences hot and humid summers, you likely use a window air conditioner to beat the heat. They can be a great way to keep your home cool and comfortable, but they have their downsides.

There are a few important things to know before you buy one to ensure you get the best air conditioner for your home. Read on to learn more.

Top 5 Window Air Conditioners To Buy


Top 5 Best Window Air Conditioner 2021
Top 5 Best Window Air Conditioner To Buy

Which is the best window AC to buy?

The below table shows the best brands with voltage and square feet for easy buy on compare with your room size.

Brand & Model Voltage Color Floor Area
MIDEA 5,000 BTU 110 V White 150 Square Feet
LG 8,000 BTU 115V White 350 Square Feet
FRIGIDAIRE 10,000 BTU 115V White/Gray 450 Square Feet
LG 14,000 BTU 115V White 800 Square Feet
FRIGIDAIRE 25,000 BTU 230V White 1600 Square Feet

1. How a window air conditioner works

Window air conditioners work by using a refrigerant to cool down a room. The refrigerant is compressed and pumped into a condenser, which uses a fan to blow air over it.

The hot refrigerant gas then passes through a coil in the evaporator, which blows cold air into the room. The refrigerant then returns to the compressor to start the process all over again.

2. Considerations before purchasing

Window air conditioners are a popular choice for cooling small to mid-sized spaces. Here are 6 things you should consider before you buy one:

3. Important features to know about

Window air conditioners come in a variety of shapes and sizes, with a range of features. Here are three features you’ll want to know about before you buy:

  1. BTUs: This is the measurement of the cooling power of the air conditioner. When shopping for an air conditioner, make sure to get one with enough BTUs to cool the size of the room you’re trying to cool.
  2. Size: Air conditioners come in a variety of sizes, so make sure to pick the one that’s the right fit for your window.
  3. Energy efficiency: Look for an air conditioner with a high energy efficiency rating, as this will save you money on your energy bills.

4. Comparing window ACs

When shopping for a window air conditioner, it’s important to compare the specs and features of different models. Here are a few things to consider.

  • AC Size: Air conditioners come in a range of sizes, so you’ll need to measure the window where you plan to install it.
  • AC BTUs: The higher the BTUs, the more powerful the AC unit will be.
  • Noise level: Some window ACs are louder than others.
  • Energy efficiency: ACs range from Energy Star-rated to not Energy Star-rated. Make sure to compare the cost of running each unit to find the most efficient one.
  • Extra features: Some window ACs come with extra features like timers and sleep modes.

5. Installation and warranty

Window air conditioners are one of the most popular choices for air conditioning. They’re affordable, easy to install, and perfect for cooling a single room. Here are six things to keep in mind when you’re shopping for a window air conditioner:


A window air conditioner is perfect for cooling down your bedroom, living room or office in the summer. Window air conditioners are energy efficient and easy to install. When buying a window AC unit, you need to take into consideration the size of your room and what features you want such as remote control and sound insulation.