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Overview

The Costway 18000 BTU Mini Split Air Conditioner & Heater brings streamlined comfort to rooms up to 1,250 sq. ft. Enjoy reliable cooling, heating, drying, and fan options while smart inverter technology helps save energy. Designed for quiet operation and easy control, it fits seamlessly into everyday living.
  • 18000 BTU cools spaces up to 1,250 sq. ft. like great rooms / large open main areas
  • Indoor noise level of 23dB for a quiet room environment
    • This description was generated by AI and reviewed for accuracy.

    Costway 3-in-1 Mini-Split Air Conditioner - 18000 BTU (1250 sq ft Coverage) - 23dB, Heat, Remote - Grey,White

    Model: HCST03289
    Web Code: 18209270
    Sold and shipped by | 3.7 seller rating (5,174 reviews)

    Sale ends: *

    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

    Read return policy

    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 Indoor Unit
    • 1 x Outdoor Unit
    • 1 x 13 ft Copper Connection Pipe - Liquid Pipe
    • 1 x 13 ft Copper Connection Pipe - Air Pipe
    • 1 x 8 ft Power Line
    • 1 x 15 ft Communication Wire
    • 1 x 6.5 ft Drain Hose
    • 1 x Remote Control with 2 Batteries
    • 1 x Tape
    • 1 x Wall Sleeve
    • 1 x Putty
    • 1 x User Guide
    What you need to know
  • Mini split type with indoor and outdoor units
  • 18000 BTU cooling capacity covers up to 1,250 sq. ft. in great rooms / large open main areas
  • Indoor noise level at 23dB is similar to a quiet room
  • Dehumidifying capability removes up to 82 pints per day
  • Indoor unit dimensions: 38 x 8.5 x 12.5 in.; outdoor: 31 x 12 x 22 in.
    • Cooling & Air Flow
  • Four-in-one design offers cooling, heating, drying, and fan modes
  • Innovative inverter technology balances temperature and energy consumption
  • 360° air flow supply prevents direct air drafts
  • Air flow rate reaches 618 CFM for effective circulation
  • Low, medium, and high fan speeds for tailored comfort
  • Turbo, ECO, and iFEEL modes enhance personalized climate control
    • Comfort & Humidity
  • Heat pump enables heating up to 90°F
  • Cooling down to 60°F lets you fine-tune your indoor climate
  • Dry mode and dehumidifying function help control moisture levels
    • Controls & Modes
  • Remote control with digital display simplifies operation
  • Works with Alexa or Google Assistant for hands-free control
  • 0-24hour timer and quiet sleep mode make it easy to manage comfort overnight
  • Swing function adjusts air direction for optimal distribution
    • Filters & Air Quality
  • Washable filter allows for easy cleaning
  • Self-cleaning function supports maintenance
    • Installation & Portability
  • Package includes 13 ft. copper pipes, power line, communication wire, drain hose, wall sleeve, putty, and tape for installation
    • Maintenance
  • Auto defrost function prevents damage to the unit
    • Safety
  • ETL and AHRI certification ensure reliable use
    • 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

    Shipping is not available in the following areas*:
    • 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.