Window AC vs Wall AC

Window air conditioner vs through the wall air conditioner

Window and through-the-wall air conditioners can be an ideal option for those with limited spaces or cooling needs. They offer a complete cooling system in a compact size, and they are perfect for servicing smaller spaces.

In this article, we discuss the difference between wall ac vs window ac units, what to look for, and some product recommendations.

Wall AC vs Window AC: What’s the Difference?

Two common types of air conditioners that many people buy this time of year are an individual unit –– either a window or through the wall air conditioner. These ACs are both used to cool single rooms or spaces as mentioned above.

The main difference between window and wall air conditioners is their location. Window ACs are placed on a window sill, and wall ACs are placed in an exterior wall. Window air conditioners tend to be less efficient since some of the air is lost through the window and they take up window space, while wall air conditioners can be more time consuming to install but make for a more permanent, cleaner looking solution.

When it comes to choosing the right type of unit for your space, it is important to know the differences between the available options so that you can make sure that you are making the right selection for your space.

While both achieve the same end goal, there are some aspects of each that can be more beneficial depending on the type of space that you have. Here we will take a look at both types of air conditioner, and discuss some of the characteristics of each as well as some pros and cons, so that you can be sure you’re making the best purchase.

What is a window air conditioner?

Window air conditioners are often the saving grace of the summertime. As a fairly inexpensive, easy-to-install air conditioner, window units are perfect for the DIY-phobic. All you need is an available window and a power source, and you are off and running.

Usually window air conditioners have a BTU range from 5,000 to 36,000, meaning they can cover an area from about 100 to 1,650 square feet.

Pros of Window AC Units

One of the most affordable air conditioner options

Easy to install

Flexible (can be moved easily)

Cons of Window AC Units

X Can be noisy

X Visual appearance

X Takes up window space

X Less efficient than through-the-wall units

What is a Through the Wall Air Conditioner?

Through the wall air conditioners run similarly to window units, by retrieving air, running it through coils, then sending the cooled air into the room. They are installed in a hole in an exterior wall, and require installation of a sleeve due to their weight.

These units have a BTU range between 7,000 to 15,000, with a coverage area between 200 to 800 square feet.

Pros of Through the Wall Air Conditioners

Save on space in a room

Efficient

Lasts a long time and is a longer term solution

Easy to replace when you have an existing sleeve and most units are industry standard sizes

Doesn’t take up window space

Cons of Through the Wall Air Conditioners

X Complicated first time installation

X Smaller coverage area

Similarities & Differences Between Window and Wall Air Conditioners

When deciding between the two, there are some other similarities and differences worth taking note of.

Location

One of the biggest differences between window and wall air conditioners is their location. While one is installed right into an exterior wall, the other is placed on a windowsill. Some people may not like the fact that a window air conditioner takes up precious window space. It’s harder to enjoy a view when an AC is blocking. Through the wall air conditioners are easier to somewhat hide in a room, and don’t take up as much space.

Efficiency

Both types of units can be efficient in that they are often used to cool a specific room or section of a home and can be turned on and off when needed. However, through the wall air conditioners tend to be a bit more efficient since they do not have as much opportunity for air to leak out through the window. They also tend to be quieter than window AC units.

Power/Coverage Area

Window units tend to have a higher BTU range, which means that they are more powerful and can cool a greater space, but make sure to check the BTUs for your space to make sure you are getting the right power for what you need, and not too much or little.

Price

Both window and through the wall units are fairly inexpensive to purchase, but through the wall models have a higher installation cost at the outset. However, their better efficiency could save you money on your electric bill in the long term.

Long-term or short-term solutions

If you are looking for an easy cooling solution for your home, both of these types of units are great bets. For more of a short-term solution, window units can be a solid option since they are cheaper and tend to not last as long as the alternative. On the flip side, through the wall air conditioners can be better long-term options, as they are more permanently installed in the home and last longer. They are also easier to replace since an existing sleeve is already installed when the need for a new unit comes.

How to decide which to buy

When deciding which type of air conditioner to buy, start with the room or space you’d like to cool, whether it’s a basement, attic, sunroom, addition, or the like. Measure the square footage, and use our BTU calculator to figure out how much power you’ll need, which can be an easy way to narrow down your options.

From there, you can see which one makes the most sense for you.

If you’re looking for a quick, powerful and easy way to cool down without much cost or installation hassle, window units are the way to go. But if you’d like more of a long-term, reliable solution and don’t mind paying a little extra to get it installed, through the wall ac can be a great choice for many people.

Our Top Air Conditioner Picks

No matter which type of unit you’re looking at, Total Home Supply has options for you.

Through the Wall Air Conditioners

Friedrich PZH15K5SB 15000 BTU Class Select Series 10.2 EER PTAC Air Conditioner with Heat Pump – 30 Amp – 230 Volt

Part of Friedrich’s ZoneAire Select line, this PTAC model is capable of 14,300 BTUs of cooling and 13,200 BTUs of heating with its heat pump and electric heater. It can cover a larger room up to 550 sq. ft. and has an EER of 10.2.

Friedrich Select series provides reliable performance at an entry level price point while still maintaining the brand’s quality and durable construction. This model is particularly suited for coastal areas  with its aluminum end plates and DiamonBlue Advanced Corrosion protection that guards against salt water corrosion.

Friedrich PZH15K5SB 15000 BTU Class Select Series 10.2 EER PTAC Air Conditioner with Heat Pump - 30 Amp - 230 Volt
Friedrich PZH15K5SB 15000 BTU Class Select Series 10.2 EER PTAC Air Conditioner with Heat Pump - 30 Amp - 230 Volt

Friedrich ZoneAire Select PZH15K5SB is a 14,300 BTU cooling PTAC with a 13,200 BTU heat pump and electric heat. The heat pump mode will provide i...

$1149

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GE AJCQ12DWH 12000 BTU Through-the-Wall Room Air Conditioner – 208/230V – WiFi Enabled – Energy Star

This through-the-wall AC has a 12,000 BTU cooling capacity and Energy Star certification with 10.5 CEER. While most through-the-wall models require a 7.5 minimum extension into the room with front, GE’s model offers a true built-in look with only a minimal 5″ extension into the room.

The unit is also WiFi-enabled, allowing control from anywhere with an Internet connection. Other features include 3 fan speeds, 6-way directional air-flow, and color-matching Quick Snap sleeves sold separately for a more aesthetically pleasing look.

GE AJCQ12DWH 12000 BTU Through-the-Wall Room Air Conditioner - 208/230V - WiFi Enabled - Energy Star
GE AJCQ12DWH 12000 BTU Through-the-Wall Room Air Conditioner - 208/230V - WiFi Enabled - Energy Star

GE is acclaimed in the household air conditioner and appliance industries for building products that last. As a leader in the appliance indu...

$899

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For more selections, check out our 2022 recommendations for through the wall air conditioners

 

 

Window Air Conditioners

 

Amana AH093G35AX 8700 BTU 9.8 CEER, 9.9 EER Window Air Conditioner with Heat Pump

If you’re looking for a cost-effective and versatile window air conditioner with heat, the Amana AH093G35AX has both budget-friendly pricing and flexible use, as it can double as through the wall unit, and also features ball-bearing fan motors which run quietly, as well as multi-directional airflow for better circulation in the room.

Friedrich SL28N30C 28000 BTU Kuhl Series Window Air Conditioner – Energy Star Qualified – 208/230V

Make your AC smarter with this window AC model from Friedrich. With 28,000 BTUs, it can cool up to 1,900 square feet and even offers an option for Remote Link Wifi Control so that you can control your unit from anywhere through your smartphone or computer.

Get the Right Air Conditioner for You

As you decide which type of air conditioner to buy, keep in mind some of the biggest differences between window and through the wall air conditioners.

For a fast, cheap, easy, and powerful option, go with a window unit. For higher quality, longevity, and efficiency, opt for a through the wall unit.

No matter which option you’d like for your home or space, Total Home Supply has you covered. Shop our selection of air conditioners to find the right pick for you.

 

Shop Our Air Conditioners

 

 

Mickey Luongo

Mickey is the resident heating and air conditioning expert with over 15 years of experience in the industry.

8 comments

  • I have an apartment building with wall units. The apartments are about 400 sq ft sometime my installer puts a window unit in the wall because they are cheaper.
    Will a wall unit and window have the same life expectancy?
    Thank you

  • Thanks for the info! One question; can I use a window air conditioner in the sleeve where a through the wall air conditioner should be? Cost wise, a window air conditioner fits my budget and it is against management rules to install a window air conditioner in our window. I have a sleeve already installed in the wall. Thanks!

    • No, you cannot install a window AC in an existing through the wall sleeve. It will not allow the unit to have proper airflow which will cause it to overheat and shorten the lifespan or cause it not to perform at all.

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