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Overview

The Costway 12000 BTU Mini Split Air Conditioner & Heater delivers efficient cooling or heating to large spaces, ensuring year-round comfort while saving energy and offering flexible control with remote, app, and Alexa options. Its inverter technology enables stable, quiet, and adaptable performance for everyday living.
  • 12000 BTU cools or heats spaces up to 750 sq. ft.
  • Indoor noise level as low as 43dB for a quieter home environment
    • This description was generated by AI and reviewed for accuracy.

    Costway 3-in-1 Mini-Split Air Conditioner - 12000 BTU (750 sq ft Coverage) - 43dB, Heat, Remote - White

    Model: HCST07181
    Web Code: 19306322
    Sold and shipped by | 3.7 seller rating (5,194 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 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 air conditioner type with indoor and outdoor units
  • 12000 BTU cooling capacity covers up to 750 sq. ft.
  • Indoor noise level as low as 43dB, comparable to a quiet room
  • Heating function with 1 ton heat pump for all-season use
  • Indoor unit dimensions: 32.5 x 12 x 8 in. (83 x 30 x 20 cm)
    • Cooling & Air Flow
  • Fast cooling and heating powered by a high-performance compressor and heat pump
  • 4 fan speeds (low, mid, high, turbo) for personalized comfort
  • Adjustable airflow up and down, left and right for wide coverage
  • Air flow rate of 412 CFM for effective temperature management
    • Comfort & Humidity
  • Built-in chassis electrical heating for extreme weather compatibility
  • Dehumidifying capacity up to 51 pints per day helps maintain indoor comfort
  • Temperature setting range from 60 to 90 degrees Fahrenheit
    • Controls & Modes
  • Smart controls via remote, app, or Alexa for convenient operation
  • Seven operating modes for versatile use
  • 24-hour timer and screen off function for a restful sleeping environment
  • Temperature unit switch allows easy adjustment between Fahrenheit and Celsius
    • Filters & Air Quality
  • High-temperature self-cleaning feature to keep air fresh
  • Self-cleaning operation includes condensation, frost, melting, and sterilization cycles
  • Removable and washable filters for easy maintenance
    • Installation & Portability
  • Includes installation kit with copper pipes, communication wire, drain hose, tape, wall sleeve, and luting
    • Maintenance
  • Uses R32 refrigerant for energy-efficient operation
  • SEER2 rating of 24 demonstrates high seasonal energy efficiency
  • HSPF2 of 10 for efficient heating performance
    • Safety
  • ETL and AHRI certified for safety and performance standards
    • 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.