Costway - 18000 BTU 21 SEER2 208/230V Mini Split Air Conditioner & Heater with Heat Pump & Installation Kit - White
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About this product
Stay comfortable year-round with this 18000 BTU mini split air conditioner and heater. The inverter-driven system and R454B refrigerant offer efficient performance with 21 SEER2 and 9.5 HSPF2 ratings, helping reduce energy waste. The outdoor unit features chassis electrical heating to support cold-weather operation. Choose the airflow and comfort level you want with 7 operating modes (auto/cool/heat/dry/fan/ECO/sleep) and 8 fan speeds (auto/mute/low/low-mid/mid/mid-high/high/turbo). The 4D airflow promotes more balanced coverage, while the self-clean function helps keep the indoor coil fresher for ongoing performance. Control is flexible: use the included remote control, connect via WiFi, or manage settings with voice commands through Alexa and Google Assistant. Added convenience features include a 24H timer for scheduled comfort and a child lock to help prevent accidental changes.
Recommended Room Size
1250 square'Features
Powerful Climate Control
This 18000 BTU mini split air conditioner and heater is designed to cool large spaces up to 1250 sq. ft. The outdoor unit features chassis electrical heating to support dependable operation in colder weather, heating even at -4℉and cooling even at 122℉.
High Efficiency Performance
This 21 SEER2 and 9.5 HSPF2 split ac unit adopts an advanced inverter technology that helps maintain steady operation and reduce energy cost with fewer starts and stops. Besides, the low-gwp R454B refrigerant supports modern efficiency goals for everyday home heating and cooling.
Intelligent WIFI Control
You can control your comfort from anywhere with this wifi enabled mini split air conditioner that works with Alexa and Google assistant. Adjust temperature, switch modes, and manage fan speed from your phone or voice demands, and keep a backup option with the included remote control.
Customized Comfort & Low Noise
This mini split ac with heat pump offers 7 modes including auto, cool, heat, dry, fan, ECO, sleep, plus 8 fan speeds from mute to turbo. The 4D swing helps distribute air evenly for fewer hot or cold spots, while the quiet operation as low as 28 dB makes it ideal for light sleepers.
User-friendly Features
The self-clean function and washable filters allow for easier maintenance, while the child lock enhances safety. This inverter ac unit also includes a 24-hour timer that fits your schedule while helping you save energy when you are away or asleep. Note: Installation should be performed by a professional technician.
Specifications
- Recommended Room Size1250 square feetBTU Cooling Rating18000 british thermal unitsNumber of Cool Settings7Number of Fan Speeds8Airflow Rate617 cubic feet per minuteRemote ControlYes
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Stay comfortable year-round with this 18000 BTU mini split air conditioner and heater. The inverter-driven system and R454B refrigerant offer efficient performance with 21 SEER2 and 9.5 HSPF2 ratings, helping reduce energy waste. The outdoor unit features chassis electrical heating to support cold-weather operation. Choose the airflow and comfort level you want with 7 operating modes (auto/cool/heat/dry/fan/ECO/sleep) and 8 fan speeds (auto/mute/low/low-mid/mid/mid-high/high/turbo). The 4D airflow promotes more balanced coverage, while the self-clean function helps keep the indoor coil fresher for ongoing performance. Control is flexible: use the included remote control, connect via WiFi, or manage settings with voice commands through Alexa and Google Assistant. Added convenience features include a 24H timer for scheduled comfort and a child lock to help prevent accidental changes.

Enjoy all-season comfort with this 18000 BTU energy efficient inverter split ac.Built with a 20 SEER2 energy-efficient inverter system, this mini split air conditioner and heater helps reduce energy use while maintaining steady temperatures. Reliable performance supports heating in cold climates down to -4℉ with chassis electrical heating, and cooling in hot conditions up to 127℉. You can use the mobile app, voice control, or the included remote to adjust temperature, modes, fan speed, and schedules from across the room or while you're away. There are 7 operating modes and 8 fan speeds for you to choose from. The low-noise operation down to 28 dB makes it ideal for nighttime use. Besides, the self-clean function and washable filters allow for easier maintenance.

Enjoy ultimate comfort with our 18000 BTU mini split air conditioner!This high-efficiency inverter mini split AC system efficiently regulates temperature in rooms up to 1250sq. ft, boasting an impressive 19 SEER2 and 9 HSPF2. It cools down to 60℉ and heats up to 90℉, ensuring year-round comfort. More than just an air conditioner, it functions as a heater, dehumidifier, and fan. Other features such as sleep mode, ECO mode, 24-hour timer, remote control, child lock, 4D auto swing, chassis electrical heating and self-cleaning offer ultimate convenience and security. Plus, with whisper-quiet operation, you can enjoy a peaceful and comfortable atmosphere, whether you're working, sleeping, or relaxing at home.

Upgrade to the energy-efficient inverter split AC units from Costway.This AC features a high SEER2 rating and boasts ENERGY STAR, ETL and AHRI certifications. With smart control options like remote, app, or Alexa, you can enjoy convenience and comfort. Equipped with 7 modes, 4 fan speeds, and features like self-cleaning and auto swing, this inverter air conditioner meets your various needs. The package includes indoor and outdoor units, remote, and installation kit. The outdoor unit is built with chassis electrical heating for extreme weather compatibility.
Specs
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