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Best Through the Wall Air Conditioners - A Buyer's Guide

Aircon Types

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Unlike window air conditioners, through the wall aircon units can be installed in any non-load bearing wall to provide cooling power to both small and large areas. These AC units do not require windows for installation, but do require cutting out a section of the wall to fit the unit in. 

Factors to Consider Before Purchasing a Wall Air Conditioner

Wall air conditioners range in size, cooling capacity, and energy efficiency. A wall AC unit is suitable for both small and large spaces, without the need for a horizontal sliding window. However, wall air conditioners require drilling and cutting through a wall to fit the unit in. Here are the main factors to consider for wall air conditioners:


Wall units are no more expensive than window units. However, installation costs may drive up the overall initial price of the unit. Wall air conditioners typically range between $400 to $2,000 depending on the cooling capacity, size, model, and brand of air conditioning unit.

Energy Consumption

Energy consumption levels of through the wall AC units vary depending on the model and cooling power. Inverter units exist, and may conserve as much as 30% of the energy used to run a conventional unit. However, larger, more powerful units may require higher energy consumption for better performance and cooling efficiency. 

Space Requirements

The stark difference between window AC units and wall air conditioners is that the latter has a more complex installation process. Unlike wall-mounted air conditioners, in-wall air conditioners are built through the wall, which requires cutting through a non-load bearing wall to install.

Cooling Power

Wall air conditioners can have a cooling power range from 8,000 BTU to 20,000 BTU (British Thermal Units), powerful enough to cool down a wide range of room sizes. These air conditioners come in inverter models as well to cut down the costs of operating the unit, making them energy efficient.


Wall air conditioners will require a moderate level of maintenance and cleaning. Cleaning the air filter can be done at home, but maintenance and deep cleaning of the internal components must be done professionally at least once every 6 months.

Best Through the Wall Air Conditioner Models - A Complete Guide

Friedrich PZH15K5SB Class Select Series 10.2 EER PTAC Air Conditioner with Heat Pump 15,000 BTU

Friedrich PZH15K3SB 15000 BTU Class Select Series PTAC Air Conditioner Heat  Pump

Our rating: ★★★★★

The Friedrich Class Select Series with Heat Pump is suitable for both residential and office use, cooling rooms well over 550 square footage. With a heating function of 13,200 BTU, and a cooling function of 15,000 BTU, the air conditioner maintains energy efficiency using one unit as a heating and cooling system.

Koldfront WAC12001W Through the Wall Air Conditioner

Our rating: ★★★☆☆

Koldfront air conditioners offer a wide range of units from 8,000 BTU to 25,000 BTU with a heating functionality of around 11,000 BTU for those cold, winter days. The air conditioners provide cold air to various sizes of rooms, and come with remote control units, and 4 operation modes for maximum cooling speeds and comfort.

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

Our rating: ★★★★★

This Energy Star Certified unit boasts a 12,000 BTU capacity that can effectively cool large rooms at a time - up to 600 square footage of space! The unit can connect to any smart device with GE SmartHQ communication card, which allows their air conditioners to be controlled from any linked device anywhere.

LG LT0816 BTU Wall Air Conditioner

Our rating: ★★★★★

The LG wall air conditioners come in a wide range of cooling modes, including a dehumidification feature, and three cooling speeds. The unit comes with a complete remote control to operate the unit from the comfort of your bed or couch, and features an energy efficiency rating of 10.6 CEER.

Amana PBH092G12CC 9000 BTU 9.7 CEER, 9.8 EER Thru-the-Wall Air Conditioner with Heat Pump

Amana AH093G35AX 8700 BTU Window Air/Heat Pump

Our rating: ★★★★☆

Amana is well-known for their durable air conditioning units, and their line of wall AC units can provide cool air to homes and offices for years with the proper care and maintenance. The AC unit features multiple fan speeds, and various cooling capacities to cool rooms to the desired temperature.

Choosing the Right Through the Wall Air Conditioner

Most wall air conditioners are quiet, and produce cool air with high energy efficiency. These units can be cost-saving to operate in the long run, and won't take up precious floor or window space. They are discreet yet effective, and are perfect for any living space.

When it's time to choose the right unit for you, contact us at Luce Aircon and we'll match you with the right brand and model of through the wall air conditioners according to your specifications and the size of the room!

Not looking to cut through the wall? Check out our blog for other types of air conditioners that may be suitable for your needs! 

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Staff Writer

This article is written by our passionate staff writers who seek to share our knowledge from our business

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