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Overview

The Costway 18,000 BTU 2 Zone Split Air Conditioner gives you flexible temperature control and efficient cooling and heating for large spaces. Manage each zone independently, use Wi-Fi-enabled controls from your phone, and customize comfort with multiple modes and fan speeds. Advanced inverter technology boosts energy efficiency, while low noise maintains a peaceful environment.
  • 18,000 BTU cools up to 1,000 sq. ft. for great rooms and large open main areas
  • Indoor unit noise as low as 30 dB for a quiet room
    • This description was generated by AI and reviewed for accuracy.

    Costway 3-in-1 Mini-Split Air Conditioner - 18000 BTU (1200 sq ft Coverage) - Heat, Remote - White

    Model: BSTC02979
    Web Code: 19645997
    Sold and shipped by | 3.7 seller rating (5,173 reviews)

    Available for deliveryAvailable online only

    Delivery times vary by location. Most Marketplace items leave sellers' locations within 2 business days. Allow additional time for shipping.

    Enjoy on orders from this seller.

    Seller Return Policy

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    Warranty

    Check with the manufacturer for details.

    For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

    What's included:

    • 1 x 18k BTU Outdoor Unit
    • 1 x 9k BTU Indoor Unit
    • 1 x 12k BTU Indoor Unit
    • 2 x Communication Wire
    • 2 x Copper Connection Pipe (Air + Liquid)
    • 2 x Drain Hose
    • 2 x Remote Control
    • 2 x Mounting Plate
    • 2 x Wall Sleeve
    • 4 x Wall Cap
    • 2 x Screw Kit
    • 4 x Putty
    • 4 x Tape
    • 3 x User Guide
    What you need to know
  • Type: Mini split air conditioner
  • Cooling capacity: 18,000 BTU, covers up to 1,200 sq. ft., ideal for great rooms
  • Multi zone combination: two indoor units for customized comfort
  • Indoor unit noise: 30 dB and 32 dB, comparable to a quiet room
  • Electrical requirements: 208-230V, 60Hz, single phase
  • Dehumidifying capacity: 35.5 pints/day (9K unit), 51 pints/day (12K unit)
  • SEER2 efficiency rating: 22
  • Indoor unit dimensions: 9K – 31 x 7.8 x 11.5 in.; 12K – 34.5 x 7.6 x 11.7 in.; outdoor unit – 34.7 x 13.9 x 21.9 in.
    • Cooling & Air Flow
  • Cool and heat multiple zones individually and efficiently
  • Advanced inverter technology enhances energy efficiency
  • Operates in extreme temperatures: cools at 125 Fahrenheit, heats at -13 Fahrenheit
    • Comfort & Humidity
  • 6 modes and 5 fan speeds to customize comfort
  • Dehumidifier feature supports humidity control
  • Temperature setting range: 60–90 Fahrenheit
  • Chassis heating function prevents freezing on cold days
    • Controls & Modes
  • Wi-Fi-enabled feature allows remote control from your smartphone
  • Remote control with digital display for easy operation
  • 24-hour timer provides programmable convenience
    • Filters & Air Quality
  • Removable and washable filter for hassle-free maintenance
    • Installation & Portability
  • Two indoor units and outdoor unit included, with mounting plates, wall sleeves, caps, communication wire, copper connection pipes, drain hoses, screw kits, putty, and tape
    • Safety
  • Uses R32 refrigerant with lower environmental impact
    • This description was generated by AI and reviewed for accuracy.

    For Quebec residents – Disclosure under the Consumer Protection Act

    In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

    Shipping Charges

    Free standard shipping on all orders.

    Processing Time

    Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
    *Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

    Shipping Area Restrictions

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    • No restrictions in Canada
    *Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
    See our return policy to find specific return information for this product and steps on how to return by mail.