The Best 18000 Btu Air Conditioner of 2023

Use Year-Round with Supplemental Heat: Use this unit year-round with a supplemental heating function, making this more than your standard air conditioner.

Easy Installation: Easily install this air conditioner; this unit distributes the weight into two pieces using a slide-out chassis.

Easy-to-Clean Washable Filter: Capture dust from the air and keep your air conditioner working efficiently with our easy-to-clean washable filter. The Clean Filter Alert will also notify you when it’s time to clean your filter.

Eco Mode: Keep your room cool and comfortable; this unit turns on and off at different intervals to ensure that the room stays at the set temperature.

Programmable Timer: Customize times to fit your schedule for immediate comfort when you get home by presetting the unit to turn on and off in half hour increments.

Sleep Mode: Enjoy maximum comfort and quiet operation throughout the evening hours. With Sleep Mode, the temperature gradually increases a few degrees over the course of the evening.

Remote Control: Precisely control the temperature and fan speed from across the room.

Automatic Restart: Automatically resumes operating at its previous settings when power is restored to your unit.

Cooper&Hunter Sophia Series High efficiency Dual Zone Ductless Mini Split Heat Pump System featuring 28,000 BTU Inverter Outdoor Condenser 22 SEER with 12,000 BTU and 18,000 BTU Wall Mount Air Handlers

Uses 208-230V, ETL Intertek Approved, Energy Star Certified, AHRI Certified

Works for heating with ambient temperature up to -13F°

Includes Two Hi-Grade Installation Kits 1/4-1/2, 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, U.S.-based 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.

ENJOY A COMFY HOME no matter the outside temperature. Heat, cool and dehumidify up to 1,000 sf with our ductless mini split when outside temperatures are as low as -4F.

SAVE YOUR MONEY. A whisper quiet ductless air conditioner uses very little electricity. No more power guzzling starts and stops. Save up to 60% with this high efficiency power mizer.

TOTAL PEACE OF MIND. You'll never, ever worry about an AC problem with our 7/5 year warranty, 30 day money back guarantee, and U.S. based replacement parts and awesome service.

LASTS A LONG TIME. AirCon cuts no corners with production quality. None. Your new air conditioner heat pump is built with the highest pro-grade components from top to bottom.

WORRY FREE SIZING. The right-sized system for you depends on how you'll use each room, ambient air flow characteristics and where you live. We'll help you make the right choice.

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.

Including 16' Copper Line Set and communication wires as pictured. Drain tube and mounting brackets are required but not included.

Inverter Compressor by Toshiba - 5 Year Limited Warranty. 2 Year Limited Warranty on parts. Professional installation is required.

LED Display, Self Diagnosis, Intelligent Defrost & Pre-Heating

COOL AND DEHUMIDIFY: KingHome's electronic 18,000 BTU window air conditioner efficiently cools up to 1,000 sq. ft. with 5.2 pints of dehumidification. Ideal for bedrooms, living rooms, apartments, and any other environment!

MULTIPLE SETTINGS: LED digital display, 4 modes (Cool, Energy Saver, Fan Only, Dry), 3 speeds, Auto function, and timer. Intelligent Memory function remembers your last settings after power is lost and restored!

EASY TO INSTALL: Includes a quick and effective window mounting kit for easy installation in double-pane windows.

WASHABLE FILTER: Washable mesh filter and Filter Check alert for convenient maintenance.

ENERGY STAR RATED COOLING: Energy Star efficiency saves you money on your electric bill.

Save money all year-round with a highly efficient ductless mini split inverter+ heat pump system

Ultra-silent and beautifully built: perfect for home or light commercial use

Use for both cooling and heating: 18000 BTU/hour, with 19 SEER and 10 HSPF efficiency

Comes with every needed component in the box, including an easy-install 16ft. copper piping kit

Free tech support and a 5 year coverage on the parts and compressor

4-in-1 Mini Split Air Conditioner with Heat Pump. Built-In Air Conditioning, Heating (Up to 5F/-15C), Dehumidifier, Fan and Turbo Function.

Great for Bedrooms, Additions, Living Rooms, Garages, and Commercial Applications. Can Be Installed in Virtually Any Home, Condo or Space.

Whisper Technology for Quiet Operation (Low as 38dB). Energy Efficient Consumption and Engineered for the Harshest Climates.

5 Year Manufacturer Warranty. Senville Trusted Quality and Design. Free Technical & Installation Support Included.

Includes 16 Ft. Installation Kit with Communication Cable and Copper Lines (Pre-Flared) and Remote Control. R410A Pre-Charged (25 Ft.) *Requires Professional Installation.

ENERGY STAR CERTIFIED - This air conditioner has met the high standards of the ENERGY STAR Program using energy-efficient technologies that translate into electricity savings.

MULTIPLE FAN SPEEDS - 3 cooling and fan speeds with Auto Cool allow you to customize your cooling.

MAXIMUM USABILITY - Easy to use electronic controls with remote

AUTO RESTART - After a power failure, Auto Restart will automatically turn the unit back on when power is restored

COOLS ROOMS UP TO 1,000 SQ. FT. - LW1816ER is ideal for cooling medium rooms (25' X 40')

[ENERGY EFFICIENT COOLING] This 18000 BTU/h, 17 SEER, 208-230V, 9 HSPF, AHRI Certified pre-charged air conditioner and heater unit features a ductless mini split inverter plus system with a heat pump and dehumidification.

[AUTOMATIC SYSTEM] This air conditioner is designed with several smart settings that make it easy to use: auto defrost, self-diagnosis/cleaning, I feel mode, 24 hour timer, sleep mode, eco energy saving mode, multiple fan speeds and intelligent compressor pre-heating.

[SMART SENSOR] The unit will sense room temperature at the remote control, instead of at the indoor unit during cooling mode. It then adjusts airflow and temperature accordingly, resuling in the ultimate in personal comfort control and energy savings.

[QUIET OPERATION] This air conditioner is ultra silent at only 30-41 dBa. The unit provides equal airflow in every part of your room and can adjust to 60-90 degrees Fahrenheit to suit your comforts in just a few minutes.

[AMPLE COVERAGE] This unit provides cooling and heating for up to 750 square feet and is able to work in environments as low as -4 degrees Fahrenheit. Full installation kit included.

High Efficiency Diamante Ductless Mini Split Inverter Heat Pump System

Use for both cooling and heating: 18000 BTU/hour with 19 SEER and 10 HSPF efficiency

Diamante series carries a full line of low-ambient wall-mounted mini splits with capacities ranging from 9,000 BTU/hour to 36,000 BTU/hour for various residential and light commercial applications

Complete system set including: indoor (fan coil) section, outdoor (condenser) section, wireless remote controller with remote holder, 16 ft. L line set with other installation accessories, free vibration absorber feet for the condensing unit

Voltage: 208~230V, 60Hz, 1Ph