4.5 out of 5
Costway 36879521 22000 BTU 21 SEER2 208-230V Ductless Mini Split Air Conditioner and Heater
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Product Description
• 4-in-1 Design for Year-Round Comfort: This mini split AC unit features cool, dry, heat and fan mode and other practical functions including °F temp display, turbo mode, sleep mode and 24H timer. With a 60°F-90°F adjustable temp range and 4D powerful air flow, this AC unit delivers efficient cooling and heating performances, ideal for home or commercial use.
• Powerful Output and Premium Compressor: With a cooling capacity of 22,000 BTU, a heating capacity of 23,000 BTU and a 2-ton heat pump, this mini split air conditioner enables a wide coverage of up to 1500 sq. ft. The durable outdoor unit can withstand a max operating temperature of 14°F-122°F, offering stable performance under extreme weather conditions.
• Innovative Inverter Technology: This technology adjusts the compressor speed to maintain the set temperature without frequently turning the compressor on and off, which has less energy cost and offers stable cooling. With a 21 SEER2 rating and a 10 HSPF2 rating, this unit is built to be energy efficient. It is also ETL-approved and AHRI certified.
• Easy Maintenance and 2 Control Methods: The self-cleaning at 135°F largely helps to simplify regular cleaning and protect your family’s respiratory health, and the filters are also removable and washable under water. This air conditioner is available for WiFi control with the “AC Freedom” app. And a 26 ft remote control with child lock is also included, which is friendly for the elderly and children.
• What's Included: The package includes indoor and outdoor units, remote control and installation kit with a 13 ft copper piping set and communication wire. Note: the installation of this product should be done only by professionals.
Note: Filled with the new R32 refrigerant, the most eco-friendly choice ensures the best air quality both indoors and outdoors. Competitors use an older refrigerant that is more harmful to the environment. If additional refrigerant needs to be added to the lines, check R32 availability at your local seller.
| Color | White |
| Material | Metal, Aluminum, Plastic |
| Indoor Unit Size | 43" x 9" x 13" (L x W x H) |
| Outdoor Unit Size | 35.5" x 14" x 27.5" (L x W x H) |
| Cooling Capacity | 22,000 BTU |
| Heating Capacity | 23,000 BTU |
| Cooling Power | 1650W |
| Heating Power | 1750W |
| Voltage | 208-230V~60Hz/1PH |
| Coverage Area | 1500 sq. ft |
| Dehumidifying Capacity | 76 Pints/Day |
| Temperature Setting Range | 60°F~90°F |
| Refrigeration | R32 |
| Indoor Noise Level | 50 dB |
| Outdoor Noise Level | 59 dB |
| Net Weight of Indoor Unit | 31 lbs |
| Net Weight of Outdoor Unit | 95 lbs |
| HSPF2 | 10 |
| SEER2 | 21 |
-Delivered in two boxes and the delivery time may vary from box to box
-8 years Warranty for compressor and 5 years for parts to ease your worries.
-Wide coverage with 22,000 BTU cooling capacity and 23,000 heating capacity
-Built-in cool, dry, heat and fan mode, and turbo mode for faster cooling and heating
-40-50° horizontal and 90° vertical auto swing for instant cooling and heating
-Child lock function locks all buttons on the remote control
-Available with app control via WiFi
-Equipped with LED temp display which is switchable between °F and °C
-Auto off after 10-hour continuous operation under sleep mode
-Allows you to set OFF timer or ON timer with 24H timer
-Offer stable, silent and efficient performance with inverter technology
-Self-cleaning and removable washable filter for easy maintenance
-Enjoy comfortable sleep experience with screen off function
-Convenient to control with remote control
-ETL approved and AHRI certified
-Including: 1 x Outdoor Unit, 1 x Indoor Unit, 1 x 13 ft Copper and Aluminum Connection Pipe - Air Pipe, 1 x 13 ft Copper and Aluminum Connection Pipe - Liquid Pipe, 1 x 6.5 ft Drain Hose, 1 x 13 ft Communication Wires, 1 x Remote Control, 2 x Battery, 1 x Tape, 1 x Luting (Putty), 1 x User Guide
NOTE: PO box deliveries are not available.
Attention CA Residents: Prop 65 Warning
WARNING:
This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.
Shipping Restrictions
This product can't be shipped to Canada, Australia, United Kingdom, APO addresses or the following regions: HI, AK, PR.
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Our staff are available to answer any questions you may have about this item
Customer Reviews
By antonio rodriguez
Date: December 04, 2025
Excellent product
Rating: 
[5 of 5 Stars!]
[5 of 5 Stars!]
By Judy W.
Date: October 04, 2025
Easy set up works great
Rating: [5 of 5 Stars!]
[5 of 5 Stars!]
By Daniel
Date: September 17, 2025
Delivered in one day, everything you need to install comes with it, very very quiet, excellent product.
Rating: [5 of 5 Stars!]
[5 of 5 Stars!]
By John Kouhout
Date: August 07, 2025
These units work very nice and price is right
Rating: [5 of 5 Stars!]
[5 of 5 Stars!]
By toyo250
Date: July 30, 2025
Only installed a week ago, but it functions like central unit, heats amp; cools the entire 500sq ft area comfortably...since we are transitioning from winter to Spring I've tested out both modes and it performs effectively!
Rating: [5 of 5 Stars!]
[5 of 5 Stars!]
By A Customer
Date: December 23, 2024
received quickly and in good condition.
Rating: [5 of 5 Stars!]
[5 of 5 Stars!]