Tips for Choosing the Right Size Window Air Conditioner

Looking for the ideal window air conditioner for your room size? Check out this guide which offers valuable tips and tricks to help you find the perfect fit. If you’re wondering what size of air conditioner you need, this post is for you.

Trying to find the right size window air conditioner for your room can be overwhelming. There are a few important factors to consider, such as your room size, before selecting the best option for you. This guide will provide helpful tips and tricks to help you make an informed decision about what size window air conditioner is best suited to your needs.

LG window air conditioner in living room

Measure The Size of the Space That Needs to Be Cooled

Before selecting a window air conditioner, it’s important to measure the size of the room that needs to be cooled. To get an accurate measurement, use a measuring tape to find out how many square feet the room is. Window air conditioners are generally categorized based on their cooling capacity. Bring your measurements when shopping so we can help you select the right unit to efficiently cool your space.

Measuring the square footage of your space helps determine the best window air conditioner unit size to fit your needs. To calculate the square footage of your space, multiply the length of your room by the width of your room. Measure from the inside of your room.

Use the simple equation of Length In Feet x Width In Feet = Square Footage. Compare the square footage of your room to the list shown below. This is how much you can expect a typical window air conditioner unit will cool in total square footage.

What Size Window Air Conditioner Do I Need?

  • 150 to 350 sq ft: look for a 5,000- to 8,000-BTU unit
  • 350 to 550 sq ft: look for an 8,000- to 12,000-BTU unit
  • 550 to 1,050 sq ft: look for a 12,000- to 18,500-BTU unit
  • 1,050 to 1,600 sq ft: look for an 18,500- to 25,000-BTU unit


Consider Installing Multiple Window AC Units Instead of One Larger Unit

In some cases, it may be more efficient to install multiple window AC units instead of a single large unit. Having multiple smaller units may help reduce your energy costs if only the rooms that need cooling are using energy.

Consider Additional Features You May Want or Need

In addition to the size of your window air conditioner, you should also consider any additional features which may be beneficial. Many of the window air conditioners we carry have features like sleep mode, quiet operation, dual inverter compressors, smartphone control, multiple fan speeds, on and off timers, remote control, slide-out washable filters, auto restart, and window installation kits.

Multi-speed fans offer you three different speeds for cooling flexibility.

If you’re an allergy sufferer, ask us about the potential benefits of clean air ionizers designed to remove pollen and impurities from the air. Many models offer low-power start which can save you money by conserving energy.

Frigidaire window air conditioner in bedroom

Check The Noise Level of the AC Unit Before Purchasing It

Most of the air conditioner units we sell or lease operate quietly. A quiet air conditioner may be essential for use in a bedroom. Many of our LG air conditioner models use Revolutionary DUAL Inverter technology for powerful yet silent performance. These units can operate at sound levels as low as 44dB in sleep mode.

Many of the Frigidaire Energy Star-rated air conditioners that we carry are powerful enough to cool rooms quickly and quietly, while also saving you money on your electric bill.

Cool Your Room Efficiently

The right air conditioner helps you cool a room efficiently. An undersized unit won’t cool adequately while one too large will not remove enough humidity, leaving the air feeling damp.

Consider The Climate, Room Layout & Orientation

Does the room you are trying to cool receive a lot of direct sunlight? If so you may need to step up one size to cool it efficiently. We have the window air conditioner you need to quickly cool a room on hot days and with the quiet operation to keep you cool without keeping you awake.

Take Into Account The Power Source

It is also important to determine the power source. Most homes are equipped to run 110-volt units but some have wiring that will support 220-volt units. Larger units often require 220 volts to operate and many homes are not wired to support 220-volt units. These units will cool a larger area but take special plugs and wiring.

Let us help you make sure the unit you pick matches the voltage output in your home.

Compare Unit Size To Window Size

Lastly, make sure the unit will fit into the window you want to put it in. A lot of times the customer will select a large unit only to find out that the window they want it installed in is too big or small to support the AC unit.

At Triad Leasing, we hand-select quality A/C units to offer you the best in cooling power, energy savings, and value. We carry window air conditioners in a variety of sizes.

Our selection includes top-rated window air conditioner units. Enjoy cool features like effortless temperature-sensing remote controls that allow you to see, set and maintain room temperature from across the room. We look for the quietest window air conditioner units. Many of our air conditioning window units feature extra long cords which make extension cords unnecessary.

Need help installing your new in-window air conditioner? We can help. Ask about free delivery and installation. Shop window air conditioner, energy-efficient models, today!

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