Windowless AC

Windowless AC units for portable room cooling.

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Antarctic Star

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Outohome 5200BTU Corded Windowless AC Unit - 31 lbs Lightweight Compact, 60s Fast Cool/60s Quick Chill, 499W Low Draw, Dehumidifier (>=70% Humidity), Multi-Function for Tent/Camper (Green) | Stay Cool, Camper Cooling Solutions

7 sold

$499.99

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ZAFRO Inverter Portable Aircon, 10K/12K/14K BTU (6K/8K/10K SACC, 12000 BTU ASHRAE 128), 110V Residential, 44dB Silent Mode, WiFi, R32 Eco-Friendly, 30s Cooling, No Drainage, 1s Removable Filter Reminder, 360° Wheels, App Control for Home/Office

4.7

2.6K sold

Flash sale

-27%$428.99$584.99

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11500 BTU Ductless Mini Split Air Conditioner & Heat Pump up to 750 Sq.Ft, Installation Kit Included WiFi Enabled, Energy Efficient, Cools & Heats 17 SEER2, 115V Wall-Mounted Central AC –

5 sold

-12%$588.71$668.99

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Hosslly 12000 BTU Windowless AC Unit - 5-in-1 Compact 120V Residential AC with Advanced Climate Control, Cooling, Dehumidifier, 3 Fan Speed Dial, Remote, Quiet, Energy-Efficient for Living Rooms, Bedrooms (Cool 550 Sq. ft.), White

$410.59

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5-in-1 Compact 120V Windowless Portable AC Unit - Cool, Dry, Dehumidifier Functions, 3 Fan Speeds, Auto Sleep Mode, Full Control Over Temperature and Humidity for Home (Portable AC Units for Rooms)

Limited time deal

$324.75

Refurbished Like-New Midea 3-in-1 Lightweight Portable AC - Home Cooling Solutions, Cools, Dehumidifies, Ventilates, Washable Filter, Carry Handle, Room-to-Room Move, Easy Install with Hardware & Guide, Large Household Appliance

5.0

12 sold

-47%$119.90$226.98

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9000 BTU 115V Inverter Ductless Mini Split Household AC Windowless AC Unit Cool Heat Pump - 19 SEER2, R32 Refrigerant, Cools Up to 450 Sq Ft, Timer, Remote, Installation Kit, Energy Efficient, Rectangular White, for Garage, Bedroom, Home Ac Unit

$426.99

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12,000 BTU Portable AC Unit - Windowless Standing AC Unit, 48dB Quiet Cooling & Dehum, Timer, Remote Control, Suitable for Up to 550 Sq.Ft Indoor Bedroom Rooms

$378.16

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9000 BTU 20 SEER2 Ductless Inverter Wall-Mounted Air Conditioner & Heat Pump (Inverter Aircon, Cool/Heat), 208-230V Pre-Charged Energy Efficient Unit for Small Spaces, Cools Up to 450 Sq. Ft with WiFi, Complete Installation Kit, Timer, Living Rooms

$580.46

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Garvee 9000 BTU Wall-Mounted Ductless Mini Split Air Conditioner & Inverter Heat Pump - 230V, 18.5 SEER2 - Energy-Efficient Cooling & Heating - WiFi & Remote - Pre-Charged - Complete Installation Kit - For Rooms Up to 450 Sq.Ft

Limited time deal

$503.80

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White Wall-Mounted Ductless Mini Split AC & Heat Pump System - Ductless AC Split, 1 Hz Compact Design Energy-Saving Unit, ETL & AHRI Certified, Fast Cooling, Turbo-Heating, Silent Mode, Remote Control, Cools Up to 750 Sq.Ft for Bedrooms, Home Offices

$660.99

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12000 BTU High-Efficiency Ductless Wall Mounted Air Conditioner & Heater - 19 SEER2 Inverter - Ultra-Quiet 42dB - Cools Up to 750 Sq.Ft - 230V - Complete Installation Kit Included

$995.25

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GARVEE 9000 BTU Wall Mounted Mini Split Ductless Air Conditioner & Heat Pump - 19 SEER2 Inverter, Energy Efficient, 208~230V, White, Cooling Heating, Remote Control, Certified Quality, Cools/Heats Up to 450 Sq. Ft, Easy DIY Installation

$525.90

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Ductless Mini Split Air Conditioner & Heater - 9000 BTU, 19 SEER2, Wall Mounted 9000 BTU, 19 SEER2,, WiFi & Alexa Enabled, 115V, Cools Up to 550 Sq.Ft, Self-Cleaning, Remote & Installation Kit Included

$601.56

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GARVEE Wall Mount Residential AC Unit Ductless Mini Split Heat Pump, 24 SEER2 18000 BTU Slim Panel, 12K+12K for 2 Rooms, WiFi Smart App, Eco R454B, Cools/Heats 1000 Sq.Ft, 16ft Pre-Charged Installation Kit

Limited time deal

$1,471.80

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GARVEE Wall Mount Aircon Set - 24 SEER2 Dual 2-Zone Ductless Pre-Charged Heat Pump, 12000 BTU+12000 BTU, 208-230V, 18000 BTU Total Capacity, Cools Up to 1500 Sq.Ft

1 sold

Limited time deal

-40%$2,045.94$3,409.89

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9000 BTU Energy Saving Split Type Aircon - 19 SEER2 Ductless Inverter Mini Split AC/Heat Pump System, 230V Wall Mount Unit with Installation Kit, All-Season, Cools Up to 450 Sq. Ft, Energy Saving Ac

$462.75

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Hosslly 12000 BTU Windowless AC Unit - 5-in-1 Compact Cool/Dehu Appliance, Quiet Portable Cooler, Dehumidifier, Fan with Remote, Energy-Efficient for Living Rooms, Bedrooms Up to 550 Sq. ft., White

$601.73

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19 SEER2 Wall-Mounted Cooling Energy Efficient 9000 BTU Ductless Mini Split Air Conditioner & Heat Pump – 19 SEER2 Wall-Mounted Cooling & Heating System – Ultra-Quiet, DIY Installation – Home or Office Use

$512.62

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Modern Wall-Mounted Air Conditioner with Digital Display and Sleek Design for Home Comfort

1 sold

$76.00

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8H Timer Heating Mode Natural Wind Wall-Mounted Air Conditioner for Cozy Rooms and Everyday Use

$73.78

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Wall-mounted Air Conditioner

1 sold

$150.99

USED-Midea 3-in-1 Portable AC Unit - Cooling Mode, Dehumidify, Ventilate Functions - Washable Air Filter - Easy Install with Hardware & Guide - Lightweight, Room-to-Room Portable Household Large Appliance

$119.90

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Heating 8H Timer Natural Wind Wall-Mounted Air Conditioner with Digital Display and Efficient Heat Distribution

$73.31

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Antarctic Star

Antarctic Star 18000 BTU Ductless Mini Split AC & Heat Pump - SEER2 Tech, WiFi/Alexa Control, Silent Mode, 230V Wall Mount, Toolfree PCB Pull, Cools 450 Sq.Ft, Glossy Panel, for Garage/Modern Home, Energy-Efficient, Fast Free Delivery, Prime Exclusive

5.0

2 sold

$753.99

Vissani 5,000 BTU Rectangular Portable Air Conditioner - 3-in-1 Mode (Cool/Dehumidifier/Fan), 115V Plug, 150 sq. ft. Coverage, Remote Control, 24-Hour Timer, Low Noise, Easy Installation, White, Residential Stay Cool Solution for Small Rooms,Th Like New

3.0

19 sold

$203.45

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Antarctic Star

Antarctic Star Rectangular Corded Portable Air Conditioner - 8,000/10,000 BTU (ASHRAE), Residential Cooling for 200/250 Sq.Ft, 4 Cooling Modes, Remote, LED Display, 24H Timer, Installation Kits (Bedroom/Office) to Beat the Heat

4.7

4.3K sold

$329.99

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Garvee 8K/10K/14K BTU Portable Air Conditioner, 3-in-1 Cools 350/450/750 Sq.Ft, Quiet AC with Fan & Dehumidifier, LED Display, Remote, 24H Timer, Window Kit, for Bedroom/Office/Dorms

4.5

2.8K sold

$519.74

Free shipping

ZAFRO 110V 4-in-1 Portable Air Conditioner - 10,000BTU(ASHRAE) Quiet Unit for Bedroom, Kitchen, Up to 450 Sq. Ft, Cooling Fan, Dehumidifier, 2 Fan Speed Settings, 196in-Range Remote, Sleep Mode, 24H Timer, 62°F-86°F, Washable Filters, 13.4x11.8x27in

4.5

11.8K sold

Flash sale

-13%$454.99$519.99

Free shipping

Costway

Costway 9000BTU-10000BTU Portable Air Conditioner, 3 in 1 Quiet Floor Standing AC Unit with Fan & Dehumidifier, Sleep Mode, 24H Timer, Remote Control & Installation Kit for Room up to 300-350 Sq.ft

2.0

4 sold

Limited time deal

$229.99

Introduction

Windowless air conditioners provide flexible cooling without permanent window installation.

Single-hose or dual-hose designs vent through sliding doors or drop ceilings
Built-in dehumidifiers reduce moisture while cooling
Casters and compact bodies allow room-to-room movement

Explore portable AC units that cool spaces without window modifications.

Windowless AC

Windowless AC units for portable room cooling.

Antarctic Star

Outohome 5200BTU Corded Windowless AC Unit - 31 lbs Lightweight Compact, 60s Fast Cool/60s Quick Chill, 499W Low Draw, Dehumidifier (>=70% Humidity), Multi-Function for Tent/Camper (Green) | Stay Cool, Camper Cooling Solutions

ZAFRO Inverter Portable Aircon, 10K/12K/14K BTU (6K/8K/10K SACC, 12000 BTU ASHRAE 128), 110V Residential, 44dB Silent Mode, WiFi, R32 Eco-Friendly, 30s Cooling, No Drainage, 1s Removable Filter Reminder, 360° Wheels, App Control for Home/Office

11500 BTU Ductless Mini Split Air Conditioner & Heat Pump up to 750 Sq.Ft, Installation Kit Included WiFi Enabled, Energy Efficient, Cools & Heats 17 SEER2, 115V Wall-Mounted Central AC –

Hosslly 12000 BTU Windowless AC Unit - 5-in-1 Compact 120V Residential AC with Advanced Climate Control, Cooling, Dehumidifier, 3 Fan Speed Dial, Remote, Quiet, Energy-Efficient for Living Rooms, Bedrooms (Cool 550 Sq. ft.), White

5-in-1 Compact 120V Windowless Portable AC Unit - Cool, Dry, Dehumidifier Functions, 3 Fan Speeds, Auto Sleep Mode, Full Control Over Temperature and Humidity for Home (Portable AC Units for Rooms)

Refurbished Like-New Midea 3-in-1 Lightweight Portable AC - Home Cooling Solutions, Cools, Dehumidifies, Ventilates, Washable Filter, Carry Handle, Room-to-Room Move, Easy Install with Hardware & Guide, Large Household Appliance

9000 BTU 115V Inverter Ductless Mini Split Household AC Windowless AC Unit Cool Heat Pump - 19 SEER2, R32 Refrigerant, Cools Up to 450 Sq Ft, Timer, Remote, Installation Kit, Energy Efficient, Rectangular White, for Garage, Bedroom, Home Ac Unit

12,000 BTU Portable AC Unit - Windowless Standing AC Unit, 48dB Quiet Cooling & Dehum, Timer, Remote Control, Suitable for Up to 550 Sq.Ft Indoor Bedroom Rooms

9000 BTU 20 SEER2 Ductless Inverter Wall-Mounted Air Conditioner & Heat Pump (Inverter Aircon, Cool/Heat), 208-230V Pre-Charged Energy Efficient Unit for Small Spaces, Cools Up to 450 Sq. Ft with WiFi, Complete Installation Kit, Timer, Living Rooms

Garvee 9000 BTU Wall-Mounted Ductless Mini Split Air Conditioner & Inverter Heat Pump - 230V, 18.5 SEER2 - Energy-Efficient Cooling & Heating - WiFi & Remote - Pre-Charged - Complete Installation Kit - For Rooms Up to 450 Sq.Ft

White Wall-Mounted Ductless Mini Split AC & Heat Pump System - Ductless AC Split, 1 Hz Compact Design Energy-Saving Unit, ETL & AHRI Certified, Fast Cooling, Turbo-Heating, Silent Mode, Remote Control, Cools Up to 750 Sq.Ft for Bedrooms, Home Offices

12000 BTU High-Efficiency Ductless Wall Mounted Air Conditioner & Heater - 19 SEER2 Inverter - Ultra-Quiet 42dB - Cools Up to 750 Sq.Ft - 230V - Complete Installation Kit Included

GARVEE 9000 BTU Wall Mounted Mini Split Ductless Air Conditioner & Heat Pump - 19 SEER2 Inverter, Energy Efficient, 208~230V, White, Cooling Heating, Remote Control, Certified Quality, Cools/Heats Up to 450 Sq. Ft, Easy DIY Installation

Ductless Mini Split Air Conditioner & Heater - 9000 BTU, 19 SEER2, Wall Mounted 9000 BTU, 19 SEER2,, WiFi & Alexa Enabled, 115V, Cools Up to 550 Sq.Ft, Self-Cleaning, Remote & Installation Kit Included

GARVEE Wall Mount Residential AC Unit Ductless Mini Split Heat Pump, 24 SEER2 18000 BTU Slim Panel, 12K+12K for 2 Rooms, WiFi Smart App, Eco R454B, Cools/Heats 1000 Sq.Ft, 16ft Pre-Charged Installation Kit

GARVEE Wall Mount Aircon Set - 24 SEER2 Dual 2-Zone Ductless Pre-Charged Heat Pump, 12000 BTU+12000 BTU, 208-230V, 18000 BTU Total Capacity, Cools Up to 1500 Sq.Ft

9000 BTU Energy Saving Split Type Aircon - 19 SEER2 Ductless Inverter Mini Split AC/Heat Pump System, 230V Wall Mount Unit with Installation Kit, All-Season, Cools Up to 450 Sq. Ft, Energy Saving Ac

Hosslly 12000 BTU Windowless AC Unit - 5-in-1 Compact Cool/Dehu Appliance, Quiet Portable Cooler, Dehumidifier, Fan with Remote, Energy-Efficient for Living Rooms, Bedrooms Up to 550 Sq. ft., White

19 SEER2 Wall-Mounted Cooling Energy Efficient 9000 BTU Ductless Mini Split Air Conditioner & Heat Pump – 19 SEER2 Wall-Mounted Cooling & Heating System – Ultra-Quiet, DIY Installation – Home or Office Use

Modern Wall-Mounted Air Conditioner with Digital Display and Sleek Design for Home Comfort

8H Timer Heating Mode Natural Wind Wall-Mounted Air Conditioner for Cozy Rooms and Everyday Use

Wall-mounted Air Conditioner

USED-Midea 3-in-1 Portable AC Unit - Cooling Mode, Dehumidify, Ventilate Functions - Washable Air Filter - Easy Install with Hardware & Guide - Lightweight, Room-to-Room Portable Household Large Appliance

Heating 8H Timer Natural Wind Wall-Mounted Air Conditioner with Digital Display and Efficient Heat Distribution

Antarctic Star 18000 BTU Ductless Mini Split AC & Heat Pump - SEER2 Tech, WiFi/Alexa Control, Silent Mode, 230V Wall Mount, Toolfree PCB Pull, Cools 450 Sq.Ft, Glossy Panel, for Garage/Modern Home, Energy-Efficient, Fast Free Delivery, Prime Exclusive

Vissani 5,000 BTU Rectangular Portable Air Conditioner - 3-in-1 Mode (Cool/Dehumidifier/Fan), 115V Plug, 150 sq. ft. Coverage, Remote Control, 24-Hour Timer, Low Noise, Easy Installation, White, Residential Stay Cool Solution for Small Rooms,Th Like New

Antarctic Star Rectangular Corded Portable Air Conditioner - 8,000/10,000 BTU (ASHRAE), Residential Cooling for 200/250 Sq.Ft, 4 Cooling Modes, Remote, LED Display, 24H Timer, Installation Kits (Bedroom/Office) to Beat the Heat

Garvee 8K/10K/14K BTU Portable Air Conditioner, 3-in-1 Cools 350/450/750 Sq.Ft, Quiet AC with Fan & Dehumidifier, LED Display, Remote, 24H Timer, Window Kit, for Bedroom/Office/Dorms

ZAFRO 110V 4-in-1 Portable Air Conditioner - 10,000BTU(ASHRAE) Quiet Unit for Bedroom, Kitchen, Up to 450 Sq. Ft, Cooling Fan, Dehumidifier, 2 Fan Speed Settings, 196in-Range Remote, Sleep Mode, 24H Timer, 62°F-86°F, Washable Filters, 13.4x11.8x27in

Costway 9000BTU-10000BTU Portable Air Conditioner, 3 in 1 Quiet Floor Standing AC Unit with Fan & Dehumidifier, Sleep Mode, 24H Timer, Remote Control & Installation Kit for Room up to 300-350 Sq.ft

Introduction

FAQs

They use an exhaust hose routed through a sliding door kit or ceiling vent.

Yes, most models include sleep modes and quiet fan settings for nighttime use.

Self-evaporative models recycle condensation; others require periodic emptying.

Check BTU rating; 8,000-10,000 BTU units typically cool 250-350 sq ft.

Look for Energy Star ratings and inverter compressors to reduce electricity use.