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Overview

The Costway 18000 BTU Mini Split Air Conditioner & Heater delivers cooling and heating for large spaces, with flexible control via remote, app, or Alexa. Seven modes and four fan speeds allow you to personalize comfort, while self-cleaning and adjustable airflow help keep air fresh and consistent. Enjoy stable, year-round performance with energy efficiency built in.
  • 18000 BTU cools up to 1,250 sq. ft. — ideal for large open-plan living spaces
  • Indoor noise level up to 50dB — comparable to moderate rainfall
    • This description was generated by AI and reviewed for accuracy.

    Costway 3-in-1 Mini-Split Air Conditioner - 18000 BTU (1250 sq ft Coverage) - 50dB, Heat, Remote - White

    Model: HCST07252
    Web Code: 19306321
    Sold and shipped by | 3.7 seller rating (5,174 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

    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 15 ft Communication Wire
    • 1 x 6.5 ft Drain Hose
    • 1 x Remote Control
    • 1 x Tape
    • 1 x Wall Sleeve
    • 1 x Luting (Putty)
    • 1 x User Guide
    What you need to know
  • Mini split type with indoor and outdoor units
  • 18000 BTU cooling for rooms up to 1,250 sq. ft. like large open-plan living areas
  • Fits 208–230V electrical setup and uses 1,250W for cooling
  • Indoor noise level up to 50dB — similar to moderate rainfall
  • Dimensions: Indoor unit 45 x 13 x 9 in. (114 x 33 x 23 cm), Outdoor unit 35.5 x 27.5 x 14 in. (90 x 70 x 36 cm)
    • Cooling & Air Flow
  • Fast cooling and heating with the compressor and heat pump
  • Four fan speeds (low, mid, high, turbo) let you adjust air flow to your preference
  • Adjustable up/down and left/right airflow provides wide coverage
    • Controls & Modes
  • Control the unit remotely with the app, remote or Alexa voice control
  • Seven modes including cooling, heating, and dehumidifying for all-season use
  • Remote control allows easy temperature unit switching (Fahrenheit/Celsius)
  • Screen off function and 24-hour timer support comfortable sleep and scheduling
    • Comfort & Humidity
  • Dehumidifying capacity up to 81 pints per day helps manage indoor humidity
    • Maintenance
  • Self-cleaning operation cycles through condensation, frost, melting, sterilization for fresh air
  • Removable and washable filters make routine cleaning simple
    • Installation & Accessories
  • Package includes indoor and outdoor units, copper pipes, communication wire, drain hose, remote, tape, wall sleeve, luting, and user guide
    • Safety
  • Built-in chassis electrical heating for extreme weather compatibility
    • Efficiency
  • Uses energy-efficient R32 refrigerant
  • High SEER2 rating for efficient performance (25 SEER2)
  • HSPF2 rating: 10.5
    • 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.