30 best 18000 btu air conditioner we tested in 2024

ENERGY EFFICIENT COOLING - This 18000 BTU/h, 19.55 SEER, 230V, ETL&AHRI Certified pre-charged air conditioner unit features a ductless mini-split system with a heat pump and dehumidification.

I-CLEAN TECHNOLOGY – This mini split ac with cleaning by itself technology, allowing your air conditioner to blow out fresh air and protect the breathing health of you and your family

SMART OPERATION – Operating this mini split ac/heating system is an easy-understanding and enjoyable cooling experience ( 61℉ - 88℉). We can set all functions on the phone and smart WiFi control wherever you are( Fan Speed Selection, Home Mode, Sleep Mode, 24 Hour Timer, ECO Mode, Turbo Mode, and Mute Mode )

GOLD FIN TECHNOLOGY – Ductless mini-split uses Golf Fin technology to speed up the defrosting process so that the air cools faster. Gold fin coating not only protects your device but also improves the life of your air conditioner.

1250 Sq.ft COOLING RANGE - This mini split air conditioner provides cooling and heating for up to 550 square feet and is able to work in environments as low as 5 degrees Fahrenheit. Full installation kit included.

ALEXA ENABLED: Use voice or app control to control your air conditioner from anywhere. Use routines to adjust temperature settings while you are away and enjoy energy savings of up to 40%.

4-IN-1 MINI SPLIT SYSTEM: With air conditioning, built-in heat pump (up to 5F/-15C), dehumidifier, fan and turbo function. DC Inverter, UL Listed, AHRI Certified, Works with Alexa

DESIGNED FOR HOME & BUSINESS: Powerful performance and dependable durability with high quality design for an attractive appearance. Great for bedrooms, additions, living rooms, and even commercial applications like stores, restaurants and warehouses.

WHAT’S INCLUDED: Includes indoor air handler, outdoor condensers, remote control and installation kit with 16ft. line set and communication wire. Pre-charged with R410A refrigerant for up to 25 ft. Important note: requires professional installation.

5 YEAR WARRANTY: Backed by an industry leading manufacturer’s warranty, with 5 years on parts replacement and 5 years on compressor. Trusted quality and design by Senville, with free technical & installation support included.

WORKS WITH ALEXA: Use voice or app control to control your air conditioner from anywhere. Use routines to adjust temperature settings while you are away and enjoy energy savings of up to 40%.

ULTRA HIGH EFFICIENCY: Energy Star Certified Air Conditioner and Arctic Heat Pump (Up to -22°F/-30°C) Uses 208-230V, DC Inverter, ETL Intertek Approved, AHRI Certified, Works with Alexa

DESIGNED FOR HOME & BUSINESS: Powerful performance and dependable durability with high quality design for an attractive appearance. Great for bedrooms, additions, living rooms, and even commercial applications like stores, restaurants and warehouses.

10 YEAR WARRANTY: Backed by an industry leading manufacturer’s warranty, with 5 years on parts replacement and 10 years on compressor. Trusted quality and design by Senville, with free technical & installation support included.

WHAT’S INCLUDED: Includes indoor air handler, outdoor condensers and installation kit with 16ft. line set and communication wire. Important note: requires professional installation.

Enjoy year round comfort with the ability to heat or cool your room or space. This unit can continue to heat in ambient temperatures as low as -4 degrees Fahrenheit.

The Blue Series III comes with an all in one installation kit which includes an indoor unit, outdoor unit, remote control, 15' copper linset, 15' signal cables, and 15' power electrical cables.

Manufacturers are constantly working to improve the quality and efficiency of our products.  Therefore, we send the most revised model to our customers. This may result in slight differences in models received.

Looking for your next home improvement project? Residential system sizing can be determined based on the square footage of the home, the quality of insulation, the number of doors and windows, and the climate zone for your location.

This Air-Con unit comes with a 5-year parts and 7-year compressor limited warranty from the manufacturer, provided the items are installed by a qualified installer and are registered within 90 days of the seller's invoice date.

PERFECT FOR MULTIPLE ROOMS: Comes with multiple indoor air handlers for individual rooms and a single outdoor unit. Enjoy individual temperature controls in each room for ideal climate control.

ALEXA ENABLED: Use voice or app control to control your air conditioner from anywhere. Use routines to adjust temperature settings while you are away and enjoy energy savings of up to 40%.

DESIGNED FOR HOME & BUSINESS: Powerful performance and dependable durability with high quality design for an attractive appearance. Great for bedrooms, additions, living rooms, and even commercial applications like stores, restaurants and warehouses.

10 YEAR WARRANTY: Backed by an industry leading manufacturer’s warranty, with 5 years on parts replacement and 10 years on compressor. Trusted quality and design by Senville, with free technical & installation support included.

WHAT’S INCLUDED: Includes indoor air handlers, outdoor condenser and installation kit with 16ft. line set and communication wire. Important note: requires professional installation.

Cooper&Hunter Mia Series 18,000 BTU, 230V Ductless Mini Split Air Conditioner Heat Pump ETL Intertek Approved, AHRI Certified WiFi Ready (Additional USB adapter is required but NOT included)

Pre-charged with refrigerant. Works for heating with ambient temperature up to 5F°

Ready for installation: 16FT copper line set, communication wires, and a drainage extension included with your order!

Whisper Technology for Quiet Operation, Great for Bedrooms, Additions,Living Rooms and Commercial Applications.

You are well protected by a 7 year warranty on the compressor, a 5 year parts warranty. Professional installation is required

Due to the size and the weight system is shipped palletized with an arranged freight delivery service. An appointment for delivery is required. Please, verify your contact details before ordering.

Lift-gate service is included. Orders to a residential address are delivered only to curbside.

( Inverter Technology)Energy Efficient - 18000 BTU, 16.8 SEER, 230V/60Hz, 9.7 HSPF, Cooling and Heating up to 1000 sq ft , AHRI Certified & UL Certified (Includes about 16 FT Line Set), Low Noise – operating on a 30 dB noise level

5 Modes for Your Comfort – You can choose among Auto, Cool, Dry, Heat, and Fan modes. All these modes are easily controllable via the backlit LCD remote!

Pre-Charged R-410A, Cooling to 62℉、Heating to 86℉, Indoor working temperature (cooling 62～90℉/ heating 32～86℉)， Outdoor working temperature(cooling 5～122℉/ heating 5～86℉)

LED Display, Self Diagnosis, Intelligent Defrost & Pre-Heating，Washable and Easy to Clean Filter – This indoor ac comes with a permanently washable and easy to clean air filter.

Inverter Compressor - 5Y Warranty for compressor / 2Y for parts. Professional installation is required

OLMO 18,000 BTU Ductless Mini Split Air Conditioner with Cooling and Heating, Inverter Technology, 208-230V / 60Hz

Quiet operation, great for bedrooms, additions, living rooms and commercial applications. A great way to heat and cool your home all year round.

Pre-charged with refrigerant and ready for installation: 16ft copper line set, communication wires, and drainage extension included with your order. This is not DIY system and professional installation is required.

You are well protected by a 5 year warranty on the compressor, and smart, U.S.-based experienced technicians should you ever need assistance.

Loaded with features: LED Display, Self Diagnosis Function, Intelligent Defrost & Pre-Heating Modes, Sleep Mode, and Fan Delay function

Due to the size and the weight system is shipped palletized with an arranged freight delivery service. An appointment for delivery is required. Please, verify your contact details before ordering.

Lift-gate service is included. Orders to a residential address are delivered only to curbsid

Cooper & Hunter Sophia Series Single Zone 36,000 BTU Wall-Mount Ductless Mini Split Air Conditioner With Heat Pump

Uses 208-230V, ETL Intertek Approved, AHRI Certified. Works for heating with ambient temperature up to 5F°

Whisper Technology for Quiet Operation, Great for Bedrooms, Additions,Living Rooms and Commercial Applications.

Includes Installation Kit 3/8"-5/8" with 25ft Pre-Flared and Insulated Copper Line Set, Communication Wires, Small Accessories and a Drainage Extension.

You are well protected by a 7 year warranty on the compressor, a 5 year parts warranty and smart, experienced technicians should you ever need assistance. Professional installation is required.

Due to the size and the weight system is shipped palletized with an arranged freight delivery service. An appointment for delivery is required. Please, verify your contact details before ordering.

Lift-gate service is included. Orders to a residential address are delivered only to curbside.

The hOmeLabs 15,000 BTU window AC is a powerful indoor air conditioner packed with multiple cooling functions: from cool, dry, fan, ECO to sleep mode. This unit is a practical way to get fast and efficient air cooling for a single bedroom or small living room that is around 550-700 square feet without having to install a central air conditioning unit

You can turn the power on and off, adjust the temperature, set a timer to automatically turn itself off or set select modes using the digital control panel. You can also operate this indoor air conditioner with just simple click using the full-featured easy-to-use remote control making it easier for you to control the appliance anywhere you are in the room

This 115V/60Hz Energy Star Certified AC with 1270 watts boasts energy-saving features such as 24-Hour Timer, Sleep Mode and ECO mode. This room air conditioner is also equipped with a reusable slide-out air filter that can be easily washed with warm water and dish soap. Please make sure the filter is dry thoroughly before reinstalling

Our indoor ac unit is made with a low noise technology from 52 - 56 dB. This air conditioner with 23.6 x 25.4 x 17.9 inches measurement and 5.5 ft power cord can be installed easily without significant modification to your existing window frame

The package comes complete with mounting accessories that you’ll need for installing your newly purchased window ac. It is designed to fit in a standard double-hung window with a window width between 28” and 41”. See the manual for complete installation details