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Best 18000 btu wall unit air conditioners - Holiday Sale 2025

Last Updated - December 14, 2025

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Friedrich

Friedrich CCV18A30A Chill Premier Inverter Smart Window Air Conditioner (18000 BTU)

Friedrich

$789.00

More Details
Main highlights
- Ultra-Quiet Operation: Noise levels as low as 32dB on fan-only mode and 42dB in cooling mode for a peaceful environment.
- Smart Wi-Fi Control: Control your comfort remotely with the Friedrich Go App, featuring Auto Air Sweep and Intelligent Sleep Mode.
- Powerful Cooling & Moisture Removal: Cools up to 1,000 sq. ft. with 18,000 BTU capacity and removes up to 5.5 pints of moisture for added comfort.
- Flexible Installation Design: SimpleSill Technology allows window operation after installation, with an easy three-step setup process.
- Energy-Efficient Performance: Up to 35% more efficient than traditional units, ENERGY STAR certified, and uses eco-friendly R-32 refrigerant.
$789.00
2

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

LG

LG 18,000 BTU Window Air Conditioner with Heat, 230/208V, Cools 1,000 Sq.Ft. for Bedroom, Living Room, Basement, Apartment, with Remote, 2 Speeds, 24-Hour Timer, White

LG

$689.00

$729.99
(5% Off)

More Details
Main highlights
- Multiple Fan Speeds: 2 cooling, heating and fan speeds allow you to customize your cooling or heating; Effortlessly adjust the air flow to suit your needs
- Maximum Usability: Easy to use digital control panel and remote control; 4-way air deflection gives you ultimate flexibility; 24-hour on/off timer, filter light reminder, installation kit, and removable, washable filter included for your convenience
- Cools Rooms up to 1,000 Square Feet: LW1823HR is ideal for cooling medium rooms (25' X 40'); With the 1,000 square feet cooling coverage, keep your bedroom, office, or multiple small rooms on the same floor comfortably cool with this ac heater window unit
- Auto Restart: After a power failure, Auto Restart will automatically turn the heat and air window unit back on when power is restored
- AC Heater Combo Window Unit: For cooler days use the supplemental heat option to add warmth to your space; This ac heater window unit requires a special 230/208V LCDI Plug (NEMA 6 - 20) to operate
$689.00
$729.99 (5% Off)
3

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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

BLACK+DECKER

$569.99

$599.99
(5% Off)

More Details
Main highlights
- 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
- 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
- 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
- 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
- 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
$569.99
$599.99 (5% Off)
4
Best Value
17% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Keystone
17% Off

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

Keystone

$535.00

$649.99
(17% Off)

More Details
Main highlights
- 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
- 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.
- Energy Saving Comfort: Our air conditioning and heater unit will give your electric bill a break by using the 'Energy Saver' or Sleep' mode
- 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
$535.00
$649.99 (17% Off)
5

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Keystone

Keystone 18,000 BTU 230V Window Mounted Inverter Air Conditioner with Quiet, High Efficiency Operation and Remote, Window AC Unit for Apartment, Living Room, Bedroom, Large Rooms up to 1000-Sq. Ft.

Keystone

$649.99

More Details
Main highlights
- Washable Filter: A clean filter alert conveniently notifies you to clean the unit's washable filter to ensure it keeps running efficiently
- Inverter Technology: Eliminates wasted operation in the air conditioner by controlling the motor speed to exactly the amount of power that is needed to keep the room at the desired temperature
- FlashCool Function: The touch of a button engages maximum cooling and sets the fan to the highest speed to cool down a room quickly and will continue until the mode is changed
- Cooling Power: This Energy Star rated air conditioner has 18,000 BTUs of cooling power, has 3 fan speeds, and dehumidifies the air up to 2.53 pints per hour in rooms up to 1000 square feet
- Convenience Features: Utilize Eco, sleep mode, or the 24 hour programmable timer to customize your comfort to exactly the level of cooling or air flow you need at any time
$649.99

Best 18000 btu wall unit air conditioners - Holiday Sale 2025

Friedrich CCV18A30A Chill Premier Inverter Smart Window Air Conditioner (18000 BTU)

LG 18,000 BTU Window Air Conditioner with Heat, 230/208V, Cools 1,000 Sq.Ft. for Bedroom, Living Room, Basement, Apartment, with Remote, 2 Speeds, 24-Hour Timer, White

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

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

Keystone 18,000 BTU 230V Window Mounted Inverter Air Conditioner with Quiet, High Efficiency Operation and Remote, Window AC Unit for Apartment, Living Room, Bedroom, Large Rooms up to 1000-Sq. Ft.

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