Updated:May, 2026

10 Best 23 Inch Through The Wall Air Conditioner of 2026

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Best Choice

9.9

Outstanding

LG

LG 11,800 BTU Through the Wall Air Conditioner, 115V, Cools up to 530 Sq. Ft. for Bedroom, Living Room, Apartment, with Remote, 3 Cool & Fan Speeds, Universal design fits most sleeves, White

8% Off

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Why We Love It

Energy Efficient R-32 Refrigerant: With an energy efficiency ratio (EER) of 10.6, this ac wall unit employs the most efficient refrigerant currently used in the industry
Wall Mounted AC Unit: This 11,800 BTU ac wall unit is suited for a through the wall installation; It is not properly vented for a standard window installation; The wall air conditioner has dimensions of 24 W x 20.1 D x 14.4 H
Confident Cooling: This air conditioner features 3 cooling speeds and 3 pre-programmed modes meant to cool rooms up to 530 square feet using a turbo fan
Wall Unit Modes: Energy Saver mode keeps the fan running to circulate air but turns off the compressor when your desired room temperature is reached; Dry mode removes moisture from your space; Cool mode keeps you comfortable on warm days with cold air
Accessories Included: A trim kit finishes the indoor installation, while a plastic mesh grille protects the outdoor; A washable, reusable filter, insulation foam, and a remote are also included

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Why We Love It

Energy Efficient R-32 Refrigerant: With an energy efficiency ratio (EER) of 10.6, this ac wall unit employs the most efficient refrigerant currently used in the industry
Wall Mounted AC Unit: This 11,800 BTU ac wall unit is suited for a through the wall installation; It is not properly vented for a standard window installation; The wall air conditioner has dimensions of 24 W x 20.1 D x 14.4 H
Confident Cooling: This air conditioner features 3 cooling speeds and 3 pre-programmed modes meant to cool rooms up to 530 square feet using a turbo fan
Wall Unit Modes: Energy Saver mode keeps the fan running to circulate air but turns off the compressor when your desired room temperature is reached; Dry mode removes moisture from your space; Cool mode keeps you comfortable on warm days with cold air
Accessories Included: A trim kit finishes the indoor installation, while a plastic mesh grille protects the outdoor; A washable, reusable filter, insulation foam, and a remote are also included

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9.5

Excellent

PerfectAire

Perfect Aire PAWS1 Thru-The-Wall Air Conditioner Sleeve, Fits Standard 24-Inch TTW A/C Units

11% Off

Main Highlights

Fits all standard 24-in. Thru-the-Wall AC units
Minimize heat loss and reduce outdoor noise transmissions into the room
Quality galvanized steel construction with a durable painted finish
Easily adjustable: includes adjustable mounting brackets and locking clips
Weather safe: protects unit with weather-tight seal

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Main Highlights

Fits all standard 24-in. Thru-the-Wall AC units
Minimize heat loss and reduce outdoor noise transmissions into the room
Quality galvanized steel construction with a durable painted finish
Easily adjustable: includes adjustable mounting brackets and locking clips
Weather safe: protects unit with weather-tight seal

9.5

Excellent

LG

LG 10,000 BTU Through the Wall Air Conditioner, 115V, Cools up to 440 Sq. Ft. for Bedroom, Living Room, Apartment, with Remote, 3 Cool & Fan Speeds, Wall AC Unit, White

Free Shipping

Main Highlights

Energy Efficient R-32 Refrigerant: With an energy efficiency ratio (EER) of 10.7, this wall unit employs the most efficient refrigerant currently used in the industry
Wall AC Installation: This 9,800 BTU wall mounted ac unit is suited for a through the wall installation; It is not properly vented for a standard window installation
Confident Cooling: This ac wall unit features 3 cooling speeds and 3 pre-programmed modes meant to cool rooms up to 440 square feet using a turbo fan; Energy Saver mode keeps the fan running to circulate air but turns off the compressor when your desired room temperature is reached; Dry mode removes up to 2.9 pints of moisture per hour; 4-way air deflection gives you ultimate flexibility
Easy Wall Air Conditioner Installation: A plastic, snap-together trim kit finishes the indoor installation, while a plastic mesh grille protects the unit
Wall Unit Air Conditioner Features: A washable, reusable filter, insulation foam, and a remote control are included

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Main Highlights

Energy Efficient R-32 Refrigerant: With an energy efficiency ratio (EER) of 10.7, this wall unit employs the most efficient refrigerant currently used in the industry
Wall AC Installation: This 9,800 BTU wall mounted ac unit is suited for a through the wall installation; It is not properly vented for a standard window installation
Confident Cooling: This ac wall unit features 3 cooling speeds and 3 pre-programmed modes meant to cool rooms up to 440 square feet using a turbo fan; Energy Saver mode keeps the fan running to circulate air but turns off the compressor when your desired room temperature is reached; Dry mode removes up to 2.9 pints of moisture per hour; 4-way air deflection gives you ultimate flexibility
Easy Wall Air Conditioner Installation: A plastic, snap-together trim kit finishes the indoor installation, while a plastic mesh grille protects the unit
Wall Unit Air Conditioner Features: A washable, reusable filter, insulation foam, and a remote control are included

9.2

Excellent

Flamorrow

Flamorrow Through The Wall Air Conditioner Sleeve, 26 Inch Wall AC Sleeve Cover with Ventilation Grille & Pre-Drilled Mounting Holes, Universal Thickened AC Wall Sleeve for TTW Air Conditioner Units

Free Shipping

Main Highlights

Metal Ventilation MeshThe through the wall air conditioner sleeve features a metal ventilation mesh, ensuring optimal airflow for your TTW air conditioner, while effectively blocking leaves and debris from entering, enhancing its overall performance.
Strong Galvanized SteelMade from thickened galvanized steel, our wall air conditioner sleeve is built to last, won't deform easily. Weatherproof powder coating effectively protects against sunlight, rust, and corrosion, ensuring it withstands various weather conditions over time.
AC Wall Sleeve ProtectionHelps reduce heat loss and outdoor noise, our wall sleeve air conditionerl sleeve protects your TTW air conditioner from rain, snow, and other elements, extending its service life. The air conditioner sleeve has drainage holes to prevent water accumulation.
Universal DesignMeasuring 25.5"L x 17.5"W x 15.25"H, this through the wall air conditioner sleeve is compatible with standard 26-inch through-the-wall air conditioners from 8,000 - 14,000 BTU. Please verify your air conditioner's dimensions before purchase.
Easy InstallationWith pre-drilled holes on all sides, our wall air conditioner sleeve allows for quick and easy installation. Secure the air conditioner sleeve with the included mounting screws according to the instructions, and you can easily complete the installation without professional help.

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Main Highlights

Metal Ventilation MeshThe through the wall air conditioner sleeve features a metal ventilation mesh, ensuring optimal airflow for your TTW air conditioner, while effectively blocking leaves and debris from entering, enhancing its overall performance.
Strong Galvanized SteelMade from thickened galvanized steel, our wall air conditioner sleeve is built to last, won't deform easily. Weatherproof powder coating effectively protects against sunlight, rust, and corrosion, ensuring it withstands various weather conditions over time.
AC Wall Sleeve ProtectionHelps reduce heat loss and outdoor noise, our wall sleeve air conditionerl sleeve protects your TTW air conditioner from rain, snow, and other elements, extending its service life. The air conditioner sleeve has drainage holes to prevent water accumulation.
Universal DesignMeasuring 25.5"L x 17.5"W x 15.25"H, this through the wall air conditioner sleeve is compatible with standard 26-inch through-the-wall air conditioners from 8,000 - 14,000 BTU. Please verify your air conditioner's dimensions before purchase.
Easy InstallationWith pre-drilled holes on all sides, our wall air conditioner sleeve allows for quick and easy installation. Secure the air conditioner sleeve with the included mounting screws according to the instructions, and you can easily complete the installation without professional help.

Value for Money

9.0

Excellent

Keystone

Keystone 12,000 BTU Wall Mounted Air Conditioner with Supplemental Heat and Dehumidifier Function, 230V, Wall AC with Remote for Small and Medium Sized Rooms up to 550 Sq.Ft., Quiet, High Efficiency

18% Off

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Main Highlights

Reliable AC with Supplemental Heat: Our powerful 12,000 BTU cooling capacity / 10,600 BTU supplemental heating capacity wall ac can efficiently provide comfort all year long for any small to medium room in your home up to 550 Sq.Ft.
AC Heater Unit: Enjoy cooling, supplemental heating, dehumidification, and fan circulation; Supplemental Heating mode is meant to be operated when temperatures outside are between 23 and 76 degrees; Mode is supplemental and NOT meant as primary heat source
Space Saving Design: Keep your window view and floor space with this wall heater ac; Easy installation with interior trim kit; This unit requires a special 230-volt/20-amp electrical outlet
Smart Remote Control: The remote takes the temperature of the room you are in, displays it on the LCD screen and sends a signal to your heating ac every 3 minutes for accurate cooling
Energy Saving Comfort: Our air conditioning and heater unit will give your electric bill a break by using the 'Energy Saver' or Sleep' mode

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Main Highlights

Reliable AC with Supplemental Heat: Our powerful 12,000 BTU cooling capacity / 10,600 BTU supplemental heating capacity wall ac can efficiently provide comfort all year long for any small to medium room in your home up to 550 Sq.Ft.
AC Heater Unit: Enjoy cooling, supplemental heating, dehumidification, and fan circulation; Supplemental Heating mode is meant to be operated when temperatures outside are between 23 and 76 degrees; Mode is supplemental and NOT meant as primary heat source
Space Saving Design: Keep your window view and floor space with this wall heater ac; Easy installation with interior trim kit; This unit requires a special 230-volt/20-amp electrical outlet
Smart Remote Control: The remote takes the temperature of the room you are in, displays it on the LCD screen and sends a signal to your heating ac every 3 minutes for accurate cooling
Energy Saving Comfort: Our air conditioning and heater unit will give your electric bill a break by using the 'Energy Saver' or Sleep' mode

8.8

Very Good

LG

LG 14,000 BTU Through the Wall Air Conditioner, 230/208V, Cools 700 Sq.Ft. for Bedroom, Living Room, Apartment, Electronic Control with Remote, White

14% Off

Free Shipping

Main Highlights

Multiple Fan Speeds: 3 cooling and fan speeds with Auto Cool allow you to customize your cooling; Effortlessly adjust the wall unit air flow to suit your needs
Maximum Usability: The wall mounted ac unit includes an easy to use digital control panel and remote control; 4-way air deflection gives you ultimate flexibility; Filter light reminder, trim kit, and a removable, washable filter are included for your convenience
Auto Restart: After a power failure, Auto Restart will automatically turn the ac wall unit back on when power is restored
Functional Wall Air Conditioner: The thermostat can be set between 60°F and 86°F (16°C and 30°C); This wall unit ac requires a special 230/208V LCDI Plug (NEMA 6 - 20); Create a cooling schedule to save on energy expenditures s with the 24 hour on/off timer
Cools Rooms up to 700 Square Feet: LT1430CNR is ideal for cooling medium rooms (30' X 25'); With the 700 square feet cooling coverage, keep your kitchen, living room, bedroom, or office comfortably cool

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Main Highlights

Multiple Fan Speeds: 3 cooling and fan speeds with Auto Cool allow you to customize your cooling; Effortlessly adjust the wall unit air flow to suit your needs
Maximum Usability: The wall mounted ac unit includes an easy to use digital control panel and remote control; 4-way air deflection gives you ultimate flexibility; Filter light reminder, trim kit, and a removable, washable filter are included for your convenience
Auto Restart: After a power failure, Auto Restart will automatically turn the ac wall unit back on when power is restored
Functional Wall Air Conditioner: The thermostat can be set between 60°F and 86°F (16°C and 30°C); This wall unit ac requires a special 230/208V LCDI Plug (NEMA 6 - 20); Create a cooling schedule to save on energy expenditures s with the 24 hour on/off timer
Cools Rooms up to 700 Square Feet: LT1430CNR is ideal for cooling medium rooms (30' X 25'); With the 700 square feet cooling coverage, keep your kitchen, living room, bedroom, or office comfortably cool

8.6

Very Good

Durastar

Durastar DRTAC081XNA1 8,000 BTU 115V Through the Wall Air Conditioner with Remote Control - White

6% Off

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Main Highlights

8,000 BTU cooling; Coverage area 300-350 square feet; EER 10.6; Remote control included
Temperature Range: 62° F - 86° F; Sleep mode; 24 hour timer; Energy saver feature; Control panel with digital display
Compatible with the Durastar wall air conditioner sleeve (DRWTCSLV) sold separately

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Main Highlights

8,000 BTU cooling; Coverage area 300-350 square feet; EER 10.6; Remote control included
Temperature Range: 62° F - 86° F; Sleep mode; 24 hour timer; Energy saver feature; Control panel with digital display
Compatible with the Durastar wall air conditioner sleeve (DRWTCSLV) sold separately

8.3

Very Good

Frigidaire

Frigidaire Through-the-Wall Room Air Conditioner, Remote Control, Washable Filter, Timer & Sleep Mode, 208/230V, White (12,000)

Main Highlights

Powerful Cooling: Delivers 12,000 BTUs of cooling powerideal for rooms up to 550 square feet.
Wall-Mounted Design: Built for through-the-wall installation (not suitable for window use); includes a slide-out chassis for easy installation and maintenance.
Washable Filter: Easy-to-clean mesh filter captures dust from the air to keep your unit running efficiently.
Programmable Timer: 24-hour on/off timer with Sleep Mode for convenience and comfort.
Multiple Fan Speeds Customize airflow with three cooling and fan speed settings.
Auto Restart Unit automatically resumes operation after power interruptions with previous settings.
Dimensions 14.5" (H) x 24" (W) x 21.5" (D); designed to fit most wall-mounted air conditioner spaces.

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Main Highlights

Powerful Cooling: Delivers 12,000 BTUs of cooling powerideal for rooms up to 550 square feet.
Wall-Mounted Design: Built for through-the-wall installation (not suitable for window use); includes a slide-out chassis for easy installation and maintenance.
Washable Filter: Easy-to-clean mesh filter captures dust from the air to keep your unit running efficiently.
Programmable Timer: 24-hour on/off timer with Sleep Mode for convenience and comfort.
Multiple Fan Speeds Customize airflow with three cooling and fan speed settings.
Auto Restart Unit automatically resumes operation after power interruptions with previous settings.
Dimensions 14.5" (H) x 24" (W) x 21.5" (D); designed to fit most wall-mounted air conditioner spaces.

8.1

Very Good

BLACK+DECKER

BLACK+DECKER Window or Through The Wall Air Conditioner 18000 BTU, AC Window Unit Cools Up to 1000 Square Feet, Window AC Unit with Remote Control, 3 Cooling Speeds and Fan Only, BD18WT6, White

5% Off

Main Highlights

Keeps Rooms Cool: 18,000 BTU window air conditioner unit will keep your home cool and comfortable. This window unit AC runs at four levels: auto, low, medium and high to ensure optimal indoor relief
For Larger Rooms & Living Spaces: Our window ac units offer consistent and effective cooling for spaces up to 1,000 square feet. Perfect for whole floors, offices, living spaces and apartments
Full Function Remote Control: Control every setting and function on the easy-to-use remote control. Window unit air conditioner features sleep mode, energy saver, 24-hour timer and more
Easy Window Installation: Accordion style window air conditioner side panels for easy installation ensure the AC unit fits standard double hung windows from 28" to 40.5" wide and as low as 18.5" H
Through The Wall Installation: Wall sleeve and parts included with this window AC unit. Through-the-wall installations and electrical wiring should be performed by a licensed professional

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Main Highlights

Keeps Rooms Cool: 18,000 BTU window air conditioner unit will keep your home cool and comfortable. This window unit AC runs at four levels: auto, low, medium and high to ensure optimal indoor relief
For Larger Rooms & Living Spaces: Our window ac units offer consistent and effective cooling for spaces up to 1,000 square feet. Perfect for whole floors, offices, living spaces and apartments
Full Function Remote Control: Control every setting and function on the easy-to-use remote control. Window unit air conditioner features sleep mode, energy saver, 24-hour timer and more
Easy Window Installation: Accordion style window air conditioner side panels for easy installation ensure the AC unit fits standard double hung windows from 28" to 40.5" wide and as low as 18.5" H
Through The Wall Installation: Wall sleeve and parts included with this window AC unit. Through-the-wall installations and electrical wiring should be performed by a licensed professional

8.1

Very Good

Flehomo

Flehomo Through The Wall Air Conditioner Sleeve, Universal Wall Sleeve Fits Most 26 Inch Through The Wall Air Conditioners, TTW AC Wall Sleeve with Ventilation Mesh Screen

Free Shipping

Main Highlights

UNIVERSAL COMPATIBILITY: Our TTW AC sleeve is designed to fit most 26-inch through the wall air conditioners, providing a secure and stable protection.
DURABLE CONSTRUCTION: This heavy duty steel sleeve for through the wall air conditioners is built to withstand various weather conditions while providing long-lasting performance.
FULL PROTECTION: This sleeve is designed to protect through-the-wall air conditioners from damage or rust caused by bad weather such as rain and snow, help to extend the service life of these units.
CONSIDERATE DESIGN: The wall sleeve is designed with a drainage hole to prevent water from accumulatting, as well as a pre-drilled hose for easy installation.
VENTILATION DESIGN: Comes with mesh screen, the wall sleeve prevents debris and other unwanted elements from entering the unit while ensuring proper airflow.

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Main Highlights

UNIVERSAL COMPATIBILITY: Our TTW AC sleeve is designed to fit most 26-inch through the wall air conditioners, providing a secure and stable protection.
DURABLE CONSTRUCTION: This heavy duty steel sleeve for through the wall air conditioners is built to withstand various weather conditions while providing long-lasting performance.
FULL PROTECTION: This sleeve is designed to protect through-the-wall air conditioners from damage or rust caused by bad weather such as rain and snow, help to extend the service life of these units.
CONSIDERATE DESIGN: The wall sleeve is designed with a drainage hole to prevent water from accumulatting, as well as a pre-drilled hose for easy installation.
VENTILATION DESIGN: Comes with mesh screen, the wall sleeve prevents debris and other unwanted elements from entering the unit while ensuring proper airflow.

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