Best Honeywell Room Air Conditioners in 2026

Reliable Air Conditioning: Keystone proudly produces consistent cooling to provide you comfort even on the hottest days; Our powerful 18,000 BTU window air conditioner is what you need to efficiently cool your apartment, bedroom, garage or any larger sized room up to 1000 Sq.Ft.

Maximum Comfort: Featuring 3 cooling modes, 3 fan speeds, 4-way adjustable air louvers and a programmable timer; Aside from cooling, 3.8 pints of moisture from the air is removed every hour with the efficient built-in dehumidification system

Smart Remote Control: The remote control takes the temperature of the room you are in, displays it on the LCD screen and sends a signal to your AC unit every 3 minutes for accurate cooling, no matter where you are in your home

Reliable Air Conditioning: Keystone proudly produces consistent cooling to provide you comfort even on the hottest days; Our powerful 15,000 BTU window air conditioner is what you need to efficiently cool your apartment, bedroom, garage or any large sized room up to 700 Sq.Ft.

Maximum Comfort: Featuring 3 cooling modes, 3 fan speeds, 4-way adjustable air louvers and a programmable timer; Aside from cooling, 3.2 pints of moisture from the air is removed every hour with the efficient built-in dehumidification system

Washable Filter: The check filter indicator light will alert you when it is time to clean; Just simply slide the washable, reusable filter out of the unit and clean

Reliable Air Conditioning: Keystone proudly produces consistent cooling to provide you comfort even on the hottest days; Our powerful 5,000 BTU window air conditioner is what you need to efficiently cool your apartment, bedroom, garage or any small room up to 150 Sq.Ft.

Maximum Comfort: Featuring 3 cooling modes, 3 fan speeds, 4-way adjustable air louvers and a programmable timer; Aside from cooling, 1.3 pints of moisture from the air is removed every hour with the efficient built-in dehumidification system

Quiet Operation: Perfect for your bedroom or nursery with a low noise level of 49dB which will not disturb the daily routine in your home so you can get a good night's sleep, watch TV peacefully, or work without distraction

Powerful Cooling: The 5,000 BTU window mounted air conditioner will provide powerful cooling for any small sized room while offering dehumidification up to 1.3 pints per hour. Ideal for bedrooms, bathrooms, dorm rooms, sheds, garages and more.

Smart Remote Control: With a thermostat built into the remote control, it's able to sense the temperature of the room and adjust as needed. The 'Follow Me' remote makes it easier to control the unit from anywhere in the room and its integrated thermostat signals the AC to cool the space based on where you are.

Washable Filter: The easy clean washable and reusable tilt-out mesh filter will provide durability for your unit with hassle free maintenance. The check filter indicator light will alert you when it is time to clean.

Powerful and Reliable Cooling Source: The 8, 000 BTU air conditioner for window-mounted installation is what you need to efficiently cool your apartment, bedroom, living room, or any environment!

Quick Cooling: Cools a room up to 350 sq. ft. with dehumidification up to 1.9 pints per hour.

The Design Allows for Quiet Operation: (49 dBA on low). So you can get a good night's sleep, watch TV peacefully, or work without distraction. Run this AC unit to cool your room at any time without disturbance!

Quick to Cool: The 10,000 BTU air conditioner for window-mounted installation is what you need to efficiently cool your apartment, bedroom, living room, or any environment!

Functionality: Cools a room up to 450 sq. ft. with dehumidification up to 2.3 pints per hour.

Temperature Sensing “Follow Me” Remote Control: With a thermostat built into the remote control, say good-bye to uneven room temperatures. The remote makes it easier to control the unit from anywhere in the room and its integrated thermostat signals the AC to cool the space based on where you are.

Quick to Cool: The 6,000 BTU air conditioner for window-mounted installation is what you need to efficiently cool your apartment, bedroom, living room, or any environment!

Functionality: Cools a room up to 250 sq. ft. with dehumidification up to 1.5 pints per hour.

Temperature Sensing “Follow Me” Remote Control: With a thermostat built into the remote control, say good-bye to uneven room temperatures. The remote makes it easier to control the unit from anywhere in the room and its integrated thermostat signals the AC to cool the space based on where you are.

Reliable Heat & Cool: Our powerful cooling and heating 8,000 BTU cooling capacity / 4,200 BTU supplemental heating capacity wall unit can efficiently provide comfort all year long for any small to medium sized room in your home up to 350 Sq.Ft..Frequency : 60 hertz

All in One Unit: Enjoy powerful cooling, supplemental heating, dehumidification up to 2.1 pints per hour, and fan circulation all in one compact unit with on-board electronic controls, 3 fan speeds, sleep function, and a programmable 24-hour on/off timer

Space Saving Design: Keep your window view and floor space with this wall-mounted air conditioner; Easy installation with standard universal interior trim kit

Energy Star Rated: With a 10.5 energy efficiency ratio (EER), this 12,000 BTU through the wall air conditioner can effectively cool rooms up to 550 sq. ft and dehumidify up to 2.5 pints per hour. Perfect for medium to large bedrooms, living rooms, basements, bathrooms, or family rooms. (Product is not suitable for window installation).

Smart Remote Control: With a thermostat built into the remote control, it's able to sense the temperature of the room and adjust as needed. The 'Follow Me' remote makes it easier to control the unit from anywhere in the room and its integrated thermostat signals the AC to cool the space based on where you are.

Front Access Filter: Let’s face it. Filters collect dust. With our front-access design, cleaning that dusty filter is a piece of cake. Simply pull it out, vacuum or rinse and dry, and slide back into place for a reliable clean. An easy clean washable and reusable mesh filter makes maintenance hassle free. The unit will alert you through the Check Filter signal when it is time to clean.

Superior Cooling and Heating: With a 9.5 energy efficiency ratio (EER), this 12,000 BTU through the wall air conditioner can effectively cool rooms up to 550 sq. ft and dehumidify up to 2.5 pints per hour. (Product is not suitable for window installation)

230-Volt/20-Amp Electrical Outlet Required: This air conditioner has a 6.5ft power cord with a NEMA 6-20P grounding plug that will not fit a standard 115V electrical outlet.

Temperature Sensing Follow Me Remote Control: With a thermostat built into the remote control, say good-bye to uneven room temperatures. The remote makes it easier to control the unit from anywhere in the room and its integrated thermostat signals the AC to cool the space based on where you are.

Energy Star Rated: With a 10.6 energy efficiency ratio (EER), this 10,000 BTU through the wall air conditioner can effectively cool rooms up to 450 sq. ft and dehumidify up to 2.3 pints per hour. Perfect for medium to large bedrooms, living rooms, basements, bathrooms, or family rooms. (Product is not suitable for window installation).

Smart Remote Control: With a thermostat built into the remote control, it's able to sense the temperature of the room and adjust as needed. The 'Follow Me' remote makes it easier to control the unit from anywhere in the room and its integrated thermostat signals the AC to cool the space based on where you are.

Front Access Filter: Let’s face it. Filters collect dust. With our front-access design, cleaning that dusty filter is a piece of cake. Simply pull it out, vacuum or rinse and dry, and slide back into place for a reliable clean. An easy clean washable and reusable mesh filter makes maintenance hassle free. The unit will alert you through the Check Filter signal when it is time to clean.

Energy Star Rated: With a 10.5 energy efficiency ratio (EER), this 12,000 BTU through the wall air conditioner can effectively cool rooms up to 550 sq. ft and dehumidify up to 2.5 pints per hour. Perfect for medium to large bedrooms, living rooms, basements, bathrooms, or family rooms. (Product is not suitable for window installation).

Smart Remote Control: With a thermostat built into the remote control, it's able to sense the temperature of the room and adjust as needed. The 'Follow Me' remote makes it easier to control the unit from anywhere in the room and its integrated thermostat signals the AC to cool the space based on where you are.

Front Access Filter: Let’s face it. Filters collect dust. With our front-access design, cleaning that dusty filter is a piece of cake. Simply pull it out, vacuum or rinse and dry, and slide back into place for a reliable clean. An easy clean washable and reusable mesh filter makes maintenance hassle free. The unit will alert you through the Check Filter signal when it is time to clean.

2014 Energy Star 11. 2 EER rating

6, 000 BTU air conditioner for window-mounted installation uses standard 115-volt electrical outlet

Cools a room up to 250 sq. ft. with dehumidification up to 1. 5 pints per hour

HEAT/COOL AIR CONDITIONER: 18,500 BTU cooling capacity / 16,000 BTU supplemental heating capacity to effectively cool or heat your apartment, bedroom, living room, or home to the temperature that is right for you.

POWERFUL HEATING OPTION: Supplemental heat capability provides an additional heat source to your main heat source when outdoor temperatures are above 45°F for your convenience. The unit has 3 cooling speeds, 3 fan speeds, and 1 heat speed for multi-seasonal use.

FUNCTIONALITY: Designed for a room up to 1000 sq. ft. with dehumidification up to 3.8 pints per hour. Has an adjustable 4-way air flow direction allows you to easily control the direction of the cool air

Reliable Heat & Cool: Our powerful 12,000 BTU cooling capacity / 1,000 BTU supplemental heating capacity wall unit can efficiently provide comfort all year long for your living room, garage, multiple rooms on the same floor - any large space up to 550 Sq.Ft..Air flow efficiency : 279 cubic_feet_per_minute_per_watt

All in One Unit: Enjoy powerful cooling, supplemental heating, dehumidification up to 2.5 pints per hour, and fan circulation all in one compact unit with on-board electronic controls, 3 fan speeds, sleep function, and a programmable 24-hour on/off timer

Smart Remote Control: The I Sense remote control takes the temperature of the room you are in, displays it on the remote's LCD screen and sends a signal to your AC unit every 3 minutes for accurate cooling, no matter where you are in your home

Heat/Cool Air Conditioner: 8,000 BTU cooling capacity / 3,500 BTU supplemental heating capacity to effectively cool or heat your apartment, bedroom, living room, or home to the temperature that is right for you.

Powerful Heating Options: Supplemental heat capability provides an additional heat source to your main heat source when outdoor temperatures are above 45°F for your convenience. The unit has 3 cooling speeds, 3 fan speeds, and 1 heat speed for multi-seasonal use.

Functionality: Designed for a room up to 350 sq. ft. with dehumidification up to 1.9 pints per hour. Has an adjustable 4-way air flow direction allows you to easily control the direction of the cool air!

Convenient Cooling: This Keystone air conditioner fits your standard sliding and casement windows. It’s a reliable choice for apartments, bedrooms, living rooms, home offices, or attics. It is rated 8,000 BTUs based on the ASHRAE standard and 5,000 BTUs based on the DOE standard - best used in a room up to 350 square feet.

3 Functions in 1: Enjoy powerful cooling, dehumidification (up to 0.9 pints per hour), and fan circulation all in one compact unit with on-board electronic controls, 3 fan speeds, and an energy saving mode.

Control Your Comfort: 4-way air direction control allows you to direct the air where you need it most for optimal comfort.

CONVENIENT PORTABLE COOLING: This Keystone portable AC is a reliable choice for apartments, bedrooms, living rooms, home offices, or attics. It is rated 10,000 BTUs based on the ASHRAE standard and 6,500 BTUs based on the DOE standard - best used in a room up to 350 square feet.

FOLLOW ME REMOTE CONTROL: With a thermostat built into the remote control, say good-bye to uneven room temperatures. The remote makes it easier to control the unit from anywhere in the room and its integrated thermostat signals the AC to cool the space based on where you are.

3 FUNCTIONS IN 1: Enjoy cooling, dehumidification (up to 2.6 pints per hour), and fan circulation all in one compact unit with on-board electronic controls, 3 fan speeds, sleep function, and a programmable 24-hour on/off timer.

Powerful Cooling for Medium Rooms: This Keystone KSTAP05PHA portable air conditioner is best used in medium-sized rooms up to 200 sq. ft, such as apartments, family rooms, living rooms, or dorm rooms. It’s rated as 9,000 BTUs based on the ASHRAE standard and 5,000 BTUs based on the SACC standard.

I Sense temperature sensing and room temperature display button ensures maximum comfort and a room that is always cooled to your liking.

Thoughtful Technology: Our front self-adjustable air flow louvers move air around the room while cooling. Sleep mode gradually increases room temperature, saving you energy and money while you sleep. Auto-restart saves your settings during a power outage and turns the unit back on when power is restored.

Heat/Cool Air Conditioner: 25,000 BTU cooling capacity / 16,000 BTU supplemental heating capacity to effectively cool or heat your apartment, bedroom, living room, or home to the temperature that is right for you.

Powerful Heating Option: Supplemental heat capability provides an additional heat source to your main heat source when outdoor temperatures are above 45°F for your convenience. The unit has 3 cooling speeds, 3 fan speeds, and 1 heat speed for multi-seasonal use.

Functionality: Designed for a room up to 1500 sq. ft. with dehumidification up to 5.7 pints per hour. Has an adjustable 4-way air flow direction allows you to easily control the direction of the cool air!

Reliable Heat & Cool: Our powerful cooling and heating 13,000 BTU ASHRAE Standard / 8,000 BTU DOE Standard portable unit can efficiently provide comfort all year long for any small to medium sized room in your home up to 450 Sq.Ft.

All in One Unit: Enjoy powerful cooling, supplemental heating, dehumidification up to 2.9 pints per hour, and fan circulation all in one compact unit with on-board electronic controls, 3 fan speeds, sleep function, and a programmable 24-hour on/off timer

Smart Remote Control: The remote control takes the temperature of the room you are in, displays it on the LCD screen and sends a signal to your AC unit every 3 minutes for accurate cooling, no matter where you are in your home

{TURBO-BOOSTED PORTABLE COOLING} – This Keystone 10, 000 BTU (ASHRAE) / 6, 000 BTU (DOE) portable air conditioner includes a special Turbo mode that jump-starts the cooling process by running the fan on max speed at the lowest possible temperature setting for 10 minutes.

{ASSEMBLED HOSE CONNECTIONS} – The main struggle of portable air conditioner users is hose assembly. Keystone has designed a hose kit that comes with the connectors already attached and ready to use right out of the box. Click one end into the back of the AC and the other into the included window kit, hit the power button, and enjoy the cool!

{TEMPERATURE SENSING “FOLLOW ME” REMOTE CONTROL} - With a thermostat built into the remote control, say good-bye to uneven room temperatures. Press the iFEEL button to activate the thermostat, which signals the AC to cool the space based on where you are.

Reliable Air Conditioning: Keystone proudly produces consistent cooling to provide you comfort even on the hottest days; Our powerful 14,000 BTU through-the-wall air conditioner is what you need to efficiently cool your apartment, bedroom, garage or any large room up to 700 Sq.Ft.

Maximum Comfort: Featuring 3 cooling modes, 3 fan speeds, 4-way adjustable air louvers and a programmable timer; Aside from cooling, 2.9 pints of moisture from the air is removed every hour with the efficient built-in dehumidification system

Space Saving Design: Keep your window view and floor space with this wall-mounted air conditioner; Easy installation with standard universal interior trim kit; This unit requires a special 230-volt/20-amp electrical outlet and will not operate with a standard 115V household electrical outlet

KEYSTONE AUTHORIZED - Includes Full KEYSTONE USA Protection

The 10,000 BTU air conditioner for window-mounted installation is what you need to efficiently cool your apartment, bedroom, living room, or any environment

IN THE BOX: Remote Control - 2 AAA Batteries - Easy-clean Mesh Filter - Window Installation Kit - Manual

Heat/Cool portable air conditioner with dehumidifying function and self-evaporative design

14, 000 Cooling BTUs ASHRAE / 9, 000 Cooling BTUs DOE

11, 000 BTU supplemental heat capability provides an additional heat source for temps above 45°F

Energy Star Rated: With a 10.5 energy efficiency ratio (EER), this 12,000 BTU through the wall air conditioner can effectively cool rooms up to 550 sq. ft. and dehumidify up to 2.5 pints per hour; Perfect for medium to large bedrooms, living rooms, basements, bathrooms, or family rooms; (Product is not suitable for window installation)

Smart Remote Control: With a thermostat built into the remote control, it's able to sense the temperature of the room and adjust as needed; the 'Follow Me' remote makes it easier to control the unit from anywhere in the room and its integrated thermostat signals the AC to cool the space based on where you are

Front Access Filter: Let’s face it; Filters collect dust; With our front-access design, cleaning that dusty filter is a piece of cake; Simply pull it out, vacuum or rinse and dry, and slide back into place for a reliable clean; An easy clean washable and reusable mesh filter makes maintenance hassle free; The unit will alert you through the Check Filter signal when it is time to clean

Convenient Cooling: This Keystone air conditioner fits your standard sliding and casement windows; It’s a reliable choice for apartments, bedrooms, living rooms, home offices, or attics; It is rated 8,000 BTUs and best used in a room up to 350 square feet

Maximum Comfort: Featuring 3 cooling modes, 3 fan speeds, 4-way adjustable air louvers and a programmable timer; aside from cooling, 0.9 pints of moisture from the air is removed every hour with the efficient built-in dehumidification system

Control Your Comfort: 4-way air direction control allows you to direct the air where you need it most for optimal comfort